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Best Invoicing and Billing Platforms with Client Portals and Online Pay of 2026 | 10 Top Reviews

Albert Richer
Curated by :
Albert Richer
Updated Feb 2, 2026

This is one component of a wider set — see all Invoicing & Billing Automation Tools options.

Invoicing and Billing Platforms with Client Portals and Online Pay
Albert Richer

Finding the right invoicing and billing platform with client portals and online payment options can feel overwhelming, but don't worry—market research shows there are standout choices that cater to different needs. Customer reviews indicate that features like customizable invoices and automated reminders are crucial, with many users praising FreshBooks for its intuitive design and seamless integration with other accounting tools. Meanwhile, experts highlight that platforms like QuickBooks offer robust reporting features that small business owners find invaluable for financial tracking. Interestingly, studies suggest that many consumers prioritize user-friendly interfaces over complex features; after all, who wants to spend hours figuring out software? On the budget front, industry reports indicate that while some platforms can be pricey, options like Zoho Invoice provide solid functionality without breaking the bank, especially for freelancers and small teams. And here's a fun fact: Wave, known for its free invoicing software, started as a simple solution for small business owners in 2010, proving that great things can come from modest beginnings. Finding the right invoicing and billing platform with client portals and online payment options can feel overwhelming, but don't worry—market research shows there are standout choices that cater to different needs.

Similar Categories
1
Expert Score
9.8 / 10
717
127
24/7 ACCESS
1
InvoiceCloud Digital Payments
9.8

InvoiceCloud Digital Payments

InvoiceCloud Digital Payments
View Website
InvoiceCloud is a robust solution for invoicing and online payments, specifically designed to build trust between businesses and their customers. It offers streamlined billing automation, client portals, and a secure digital payment platform, addressing the industry-specific needs for swift, reliable and transparent financial transactions.
InvoiceCloud is a robust solution for invoicing and online payments, specifically designed to build trust between businesses and their customers. It offers streamlined billing automation, client portals, and a secure digital payment platform, addressing the industry-specific needs for swift, reliable and transparent financial transactions.
24/7 ACCESS

Best for teams that are

  • High-volume billers in utilities, government, and insurance
  • Organizations needing complex electronic bill presentment
  • Entities requiring customer self-service payment portals

Skip if

  • Freelancers or small creative agencies
  • Low-volume businesses not needing complex EBPP systems
  • Companies looking for a simple, standalone invoice generator

Expert Take

Our analysis shows InvoiceCloud stands out for its 'True SaaS' architecture and deep ecosystem of over 160 real-time integrations with major utility and government ERPs like Oracle and Tyler Technologies. Research indicates its 'Guest Checkout' and behavioral engagement features tangibly drive results, often doubling or tripling paperless adoption rates compared to legacy systems. While convenience fees remain a friction point for payers, the platform's security credentials (PCI Level 1, SOC 2) and omni-channel capabilities make it a robust choice for high-volume billers.

Pros

  • 160+ pre-built real-time integrations
  • Guest checkout removes login friction
  • PCI Level 1 & SOC 2 certified
  • Omni-channel: Web, Text, IVR, POS
  • Drives 2-3x higher paperless adoption

Cons

  • Payer convenience fees ($2.95+) cause friction
  • End-user support often reported as inaccessible
  • Occasional login and session timeout issues
  • Implementation fees apply for billers
  • Sync delays reported by some users
2
Expert Score
9.8 / 10
584
166
ALL-IN-ONE POWER
TRUSTED BY EXPERTS
2
SuiteDash Client Portal Software
9.8

SuiteDash Client Portal Software

SuiteDash Client Portal Software
View Website
An all-in-one solution for various industries, SuiteDash fills the gap by providing a platform that combines invoicing, billing, client portal, and subscription payment features. It caters to professionals in the finance and accounting industry, who need a secure and efficient tool for managing customer interactions, payments, and subscriptions.
An all-in-one solution for various industries, SuiteDash fills the gap by providing a platform that combines invoicing, billing, client portal, and subscription payment features. It caters to professionals in the finance and accounting industry, who need a secure and efficient tool for managing customer interactions, payments, and subscriptions.
ALL-IN-ONE POWER
TRUSTED BY EXPERTS

Best for teams that are

  • Agencies and consultants seeking a fully white-labeled portal
  • Businesses wanting an all-in-one CRM, billing, and project tool
  • Organizations needing secure client file exchange and messaging

Skip if

  • Users wanting a simple, standalone invoicing tool
  • Large enterprises needing specialized, best-in-class software
  • Businesses that do not need client portals or project management

Expert Take

Our analysis shows SuiteDash stands out primarily for its disruptive 'unlimited' pricing model, allowing businesses to scale staff and clients without cost penalties. Research indicates it offers enterprise-level white-labeling capabilities, including a branded mobile interface, which is rare at this price point. While the learning curve is documented as steep, the consolidation of CRM, LMS, and billing into a single HIPAA-compliant platform offers undeniable value for service-based agencies.

Pros

  • Unlimited staff and clients on all plans
  • Comprehensive all-in-one feature set (CRM, LMS, Billing)
  • Extreme white-labeling including custom URL and mobile PWA
  • HIPAA and GDPR compliance capabilities available
  • Exceptional value starting at $19/month

Cons

  • Steep learning curve and complex setup process
  • User interface described as outdated or clunky
  • No native mobile app (PWA only)
  • Limited native integrations compared to competitors
  • Email deliverability issues reported by some users
3
Expert Score
9.5 / 10
579
157
3
Zanda Health Payment Processing
9.5

Zanda Health Payment Processing

Zanda Health Payment Processing
View Website
Zanda Health offers a comprehensive solution for healthcare professionals seeking a streamlined invoicing and payment processing system. It addresses the industry needs by providing a self-service client portal where clients can book sessions, pay invoices, and check balances. This software enhances the billing efficiency and improves the overall client experience.
Zanda Health offers a comprehensive solution for healthcare professionals seeking a streamlined invoicing and payment processing system. It addresses the industry needs by providing a self-service client portal where clients can book sessions, pay invoices, and check balances. This software enhances the billing efficiency and improves the overall client experience.

Best for teams that are

  • Allied health professionals like psychologists and therapists
  • Clinics needing HIPAA-compliant notes, booking, and billing
  • Practices managing telehealth appointments and payments

Skip if

  • Non-medical businesses or general freelancers
  • Large hospitals requiring complex inpatient EHR systems
  • Businesses not requiring patient appointment scheduling

Expert Take

Our analysis shows Zanda Health (formerly Power Diary) stands out primarily for its exceptional security posture, being one of the few platforms in its niche with ISO 27001 certification. Research indicates it successfully balances robust clinical features with a seamless payment experience via Stripe and Ensora. While there are additional costs for claiming and SMS, the platform's proven reliability and 'clean' interface make it a top-tier choice for allied health professionals prioritizing data protection and ease of use.

Pros

  • ISO 27001 certified security
  • Seamless Stripe payment integration
  • Integrated US insurance claiming
  • Automated SMS/Email reminders
  • User-friendly client portal

Cons

  • Per-claim fees for US insurance
  • Extra costs for SMS messaging
  • No internal staff chat feature
  • Reporting lacks live dashboards
  • No immediate phone support
4
Expert Score
9.4 / 10
714
105
SEAMLESS PAYMENTS
SECURE SOLUTIONS
4
Ignition Agreement & Payment Automation
9.4

Ignition Agreement & Payment Automation

Ignition Agreement & Payment Automation
View Website
Ignition is a perfect fit for professional service providers in need of a seamless billing and payment solution. It automates proposals, contracts, and billing, significantly boosting revenue and cash flow. The platform's client portal and online payment capabilities ensure smooth transactions, addressing the industry's needs for efficiency and client convenience.
Ignition is a perfect fit for professional service providers in need of a seamless billing and payment solution. It automates proposals, contracts, and billing, significantly boosting revenue and cash flow. The platform's client portal and online payment capabilities ensure smooth transactions, addressing the industry's needs for efficiency and client convenience.
SEAMLESS PAYMENTS
SECURE SOLUTIONS

Best for teams that are

  • Professional service firms like accountants and agencies
  • Businesses requiring signed engagement letters before billing
  • Companies needing to automate fee collection upon contract signature

Skip if

  • Product-based businesses or retail stores
  • Startups needing only simple, one-off invoicing tools
  • Businesses that do not use client engagement contracts

Expert Take

Our analysis shows Ignition fundamentally shifts the cash flow model for professional services by enforcing upfront payment details in proposals. Research indicates this 'proposal-to-paid' workflow virtually eliminates accounts receivable, a major pain point for firms. Combined with SOC 2 Type 2 security and deep Xero/QBO integration, it offers a robust, albeit premium, solution for revenue operations.

Pros

  • Automates proposal-to-payment workflow
  • Eliminates accounts receivable chasing
  • SOC 2 Type 2 Certified security
  • Deep Xero and QuickBooks integration
  • 3-tiered pricing options for proposals

Cons

  • No multi-currency support in one account
  • Extra fees for high-value bank payments
  • Premium pricing compared to basic tools
  • Support is not instant live chat
5
Expert Score
9.4 / 10
474
106
CLIENT PORTAL PRO
INDUSTRY SPECIFIC
5
BILL.com Financial Operations
9.4

BILL.com Financial Operations

BILL.com Financial Operations
View Website
BILL.com is an AI-powered financial operations platform specifically designed to automate and streamline the financial processes of businesses and firms. With features like bill creation and payment, invoicing, expense management, and budget control, it caters to the unique needs of industry professionals who need efficient and reliable financial operations software.
BILL.com is an AI-powered financial operations platform specifically designed to automate and streamline the financial processes of businesses and firms. With features like bill creation and payment, invoicing, expense management, and budget control, it caters to the unique needs of industry professionals who need efficient and reliable financial operations software.
CLIENT PORTAL PRO
INDUSTRY SPECIFIC

Best for teams that are

  • SMBs requiring automated accounts payable approval workflows
  • Finance teams syncing with QuickBooks, Xero, or NetSuite
  • Businesses needing to separate payment approval duties

Skip if

  • Enterprises requiring highly complex custom integrations
  • Businesses with a high volume of international payments
  • Micro-businesses that cannot justify monthly subscription fees

Expert Take

Our analysis shows BILL dominates the SMB space with a network of over 7 million members, facilitating seamless payments. Research indicates its AI-driven AP automation and deep 2-way sync with major accounting platforms like QuickBooks and NetSuite significantly reduce manual data entry. Based on documented security features like SOC 2 compliance and HIPAA support, it offers enterprise-grade protection for growing businesses.

Pros

  • Robust 2-way sync with QuickBooks/NetSuite
  • AI-driven invoice capture and coding
  • SOC 2 Type II and HIPAA compliant
  • Massive network of 7M+ members
  • Integrated spend and expense management

Cons

  • Per-transaction fees on top of subscription
  • Reports of frozen funds/risk triggers
  • Customer support often described as unresponsive
  • International payments can be slow
  • No phone support for lower tiers
6
Expert Score
9.2 / 10
423
50
6
Bill4Time Client Portal
9.2

Bill4Time Client Portal

Bill4Time Client Portal
View Website
Bill4Time is a dedicated law firm client portal designed to streamline invoicing, billing, and client management. Its secure platform provides clients with an accessible and convenient method to view accounts and pay invoices, meeting the unique needs of law firms and their clients for transparency and efficiency.
Bill4Time is a dedicated law firm client portal designed to streamline invoicing, billing, and client management. Its secure platform provides clients with an accessible and convenient method to view accounts and pay invoices, meeting the unique needs of law firms and their clients for transparency and efficiency.

Best for teams that are

  • Law firms and legal professionals tracking billable hours
  • Consultants requiring detailed time tracking and reporting
  • Firms needing LEDES compliant billing features

Skip if

  • Retail or product-based businesses not billing by time
  • Firms needing advanced trust accounting on a tight budget
  • Users seeking a free or very basic invoicing solution

Expert Take

Our analysis shows Bill4Time excels for legal professionals by integrating strict IOLTA compliance directly into its client portal, a critical feature for trust accounting. Research indicates the platform offers bank-grade security (SSAE-18 Type II) and 256-bit encryption, ensuring sensitive client data remains protected. Based on documented features, the ability to accept payments via LawPay, Stripe, and PayPal directly within the portal streamlines collections significantly.

Pros

  • Secure 24/7 client access to invoices
  • IOLTA and ABA compliant payments
  • Bank-grade 256-bit SSL encryption
  • Native LawPay and Stripe integration
  • Mobile app for on-the-go access

Cons

  • QuickBooks integration is one-way only
  • Email open tracking is unreliable
  • No native SharePoint workflow triggers
  • Per-user pricing scales costs quickly
  • Guest access has security trade-offs
7
Expert Score
9.1 / 10
618
96
AUTOMATION ACE
7
TimeSolv Billing Solution
9.1

TimeSolv Billing Solution

TimeSolv Billing Solution
View Website
TimeSolv provides a comprehensive time tracking and billing solution specifically designed for professionals in the legal industry. It effectively captures billable hours, simplifies invoicing, and facilitates online payments, thus addressing the industry's need for efficient time management and accelerated payment processes.
TimeSolv provides a comprehensive time tracking and billing solution specifically designed for professionals in the legal industry. It effectively captures billable hours, simplifies invoicing, and facilitates online payments, thus addressing the industry's need for efficient time management and accelerated payment processes.
AUTOMATION ACE

Best for teams that are

  • Law firms prioritizing trust accounting and compliance
  • Project-based firms needing detailed expense and time tracking
  • Professional services needing batch invoicing capabilities

Skip if

  • Non-service businesses selling physical goods
  • Solo freelancers wanting a free or very simple tool
  • Users who prioritize modern UI over deep functionality

Expert Take

Our analysis shows TimeSolv distinguishes itself through its deep, bi-directional integration with QuickBooks Desktop, a feature often missing in modern cloud competitors. Research indicates it is particularly strong for firms requiring strict compliance, offering robust Trust Accounting tools that align with ABA rules and support for complex LEDES billing formats. While the interface is functional rather than flashy, the platform's longevity since 1999 suggests a stable, feature-rich environment for serious legal billing.

Pros

  • Bi-directional QuickBooks Desktop & Online sync
  • Comprehensive Trust Accounting with auto-pay
  • Supports LEDES 1998B/BI/2000 billing formats
  • Offline time tracking with desktop widget
  • SOC 2 and PCI DSS compliant security

Cons

  • User interface described as outdated/clunky
  • Mobile app lacks advanced features
  • Limited invoice template customization
  • No built-in payroll functionality
  • Steep learning curve for some features
8
Expert Score
9.0 / 10
372
153
BUDGET FRIENDLY
CASH FLOW BOOSTER
8
Invoicely
9.0

Invoicely

Invoicely
View Website
Invoicely is a powerful invoicing platform tailored for small businesses. It provides free, secure invoicing, online payments, and time/expense tracking to simplify finance management. It specifically addresses industry needs with features like recurring invoices and automatic reminders that enhance timely payments and cash flow management.
Invoicely is a powerful invoicing platform tailored for small businesses. It provides free, secure invoicing, online payments, and time/expense tracking to simplify finance management. It specifically addresses industry needs with features like recurring invoices and automatic reminders that enhance timely payments and cash flow management.
BUDGET FRIENDLY
CASH FLOW BOOSTER

Best for teams that are

  • Freelancers and micro-businesses operating on a tight budget
  • Solopreneurs needing simple, unlimited invoicing capabilities
  • Users managing multiple small businesses from one account

Skip if

  • Large enterprises with complex accounting needs
  • Businesses requiring advanced inventory or project management
  • Teams needing complex approval workflows or automation

Expert Take

Research indicates Invoicely excels as a streamlined billing solution for freelancers and small businesses, offering essential features like recurring invoicing and multi-currency support at a highly competitive price point. Our analysis shows it prioritizes ease of use, allowing users to set up and send professional invoices in seconds. While it lacks the complex accounting depth of larger platforms, its focus on core invoicing efficiency makes it a strong contender for straightforward billing needs.

Pros

  • Affordable Basic plan starts at $9.99/month
  • Supports multiple payment gateways (Stripe, PayPal)
  • Intuitive interface suitable for beginners
  • Multi-currency and multi-language support
  • Automated recurring invoicing and reminders

Cons

  • Free plan limited to 5 invoices/month
  • Mobile app lacks team login capabilities
  • History of significant data security breach
  • No inventory management features
  • Limited integrations with other software
9
Expert Score
8.7 / 10
382
160
USER FAVORITE
9
BillingPlatform Customer & Payment Portal
8.7

BillingPlatform Customer & Payment Portal

BillingPlatform Customer & Payment Portal
View Website
BillingPlatform's Customer & Payment Portal is a perfect fit for the invoicing and billing industry. It provides self-service access to clients for payments, invoice tracking, and account detail updates, hence addressing the need for immediate, round-the-clock customer service. The software is intuitive and easy to use, enabling businesses to streamline their billing operations, reduce manual work, and improve customer satisfaction.
BillingPlatform's Customer & Payment Portal is a perfect fit for the invoicing and billing industry. It provides self-service access to clients for payments, invoice tracking, and account detail updates, hence addressing the need for immediate, round-the-clock customer service. The software is intuitive and easy to use, enabling businesses to streamline their billing operations, reduce manual work, and improve customer satisfaction.
USER FAVORITE

Best for teams that are

  • Enterprises with complex usage-based or hybrid billing models
  • Large organizations automating high-volume revenue lifecycles
  • Companies needing to consolidate diverse billing streams

Skip if

  • Small businesses with simple, fixed-price invoicing needs
  • Startups with limited budgets and low transaction volume
  • Freelancers looking for plug-and-play billing tools

Expert Take

The BillingPlatform Customer & Payment Portal stands out in the invoicing and billing industry for its in-depth client portal features. It provides 24/7 access, enabling customers to make payments, track invoices, and update their account details instantly. This not only improves customer satisfaction but also reduces the workload of the invoicing team. The software's automated billing operations make it a popular choice among industry professionals who are looking to streamline their processes and increase efficiency.

Pros

  • 24/7 customer access
  • Easy invoice tracking
  • Instant account updates
  • Intuitive interface
  • Automated billing operations

Cons

  • No pricing transparency
  • Requires some technical understanding
  • Customization may need support
10
Expert Score
8.5 / 10
630
108
QUICK START
10
Square Invoicing Software
8.5

Square Invoicing Software

Square Invoicing Software
View Website
Square's Free Invoicing Software is an ideal solution for professionals in various industries seeking to streamline their billing processes. It caters specifically to the needs of businesses by allowing the creation of professional invoices, sending estimates, managing payments, and creating contracts, all in one place.
Square's Free Invoicing Software is an ideal solution for professionals in various industries seeking to streamline their billing processes. It caters specifically to the needs of businesses by allowing the creation of professional invoices, sending estimates, managing payments, and creating contracts, all in one place.
QUICK START

Best for teams that are

  • Small businesses and freelancers needing a free mobile tool
  • Retailers and merchants already using the Square POS ecosystem
  • Service providers who need to accept payments on the go

Skip if

  • B2B companies processing high-value invoices due to fees
  • Businesses needing complex workflow automation
  • Enterprises requiring advanced accounts receivable features

Expert Take

Our analysis shows Square Invoices excels by removing the compliance burden from small businesses, acting as the Merchant of Record while offering a robust free tier that includes unlimited invoicing. Research indicates it is particularly powerful for merchants already using Square's ecosystem, as it unifies point-of-sale and remote billing data seamlessly. While the lack of multi-currency support is a documented limitation, the ISO 27001 certification provides enterprise-grade security often missing in competitor free plans.

Pros

  • Free plan includes unlimited invoices
  • Seamless integration with Square POS
  • ISO 27001 & PCI compliant
  • User-friendly mobile app
  • Automatic recurring billing features

Cons

  • No multi-currency support
  • Funds can be held 90 days
  • Plus plan costs $49/month
  • Transaction fees on every invoice
  • Limited customization on free tier

Product Comparison

Product Has Mobile App Has Free Plan Has Free Trial Integrates With Zapier Has Public API Live Chat Support SOC 2 or ISO Certified Popular Integrations Supports SSO Starting Price
1 InvoiceCloud Digital Payments
Web-only No Contact for trial Not specified Not specified Email/Ticket only Not specified Not specified Not specified Contact for pricing
2 SuiteDash Client Portal Software
Yes No Yes - 14 days No No Yes Not specified Stripe, PayPal, Authorize.Net Yes $19/month
3 Zanda Health Payment Processing
No No Contact for trial No No Email/Ticket only Not specified Not specified No Not specified
4 Ignition Agreement & Payment Automation
Web-only No Yes - 14 days Yes Enterprise API only Yes Not specified Xero, QuickBooks, Zapier Enterprise plans only $79/month
5 BILL.com Financial Operations
Yes No Yes - 30 days Yes Yes Email/Ticket only SOC 2 QuickBooks, Xero, NetSuite Enterprise plans only Contact for pricing
6 Bill4Time Client Portal
Yes No Yes - 30 days Yes No Yes Not specified QuickBooks, PayPal, LawPay No $27/month per user
7 TimeSolv Billing Solution
Yes No Yes - 30 days Yes No Yes Not specified QuickBooks, Dropbox, NetDocuments No $34.95/user/month
8 Invoicely
No Yes N/A No No Email/Ticket only Not specified PayPal, Stripe, Authorize.Net No Free
9 BillingPlatform Customer & Payment Portal
No No Contact for trial No Yes Email/Ticket only Not specified Salesforce, NetSuite, QuickBooks Yes Contact for pricing
10 Square Invoicing Software
Yes Yes N/A Yes Yes Yes Not specified QuickBooks, Xero, WooCommerce No Free
1

InvoiceCloud Digital Payments

Has Mobile App
Web-only
Has Free Plan
No
Has Free Trial
Contact for trial
Integrates With Zapier
Not specified
Has Public API
Not specified
Live Chat Support
Email/Ticket only
SOC 2 or ISO Certified
Not specified
Popular Integrations
Not specified
Supports SSO
Not specified
Starting Price
Contact for pricing
2

SuiteDash Client Portal Software

Has Mobile App
Yes
Has Free Plan
No
Has Free Trial
Yes - 14 days
Integrates With Zapier
No
Has Public API
No
Live Chat Support
Yes
SOC 2 or ISO Certified
Not specified
Popular Integrations
Stripe, PayPal, Authorize.Net
Supports SSO
Yes
Starting Price
$19/month
3

Zanda Health Payment Processing

Has Mobile App
No
Has Free Plan
No
Has Free Trial
Contact for trial
Integrates With Zapier
No
Has Public API
No
Live Chat Support
Email/Ticket only
SOC 2 or ISO Certified
Not specified
Popular Integrations
Not specified
Supports SSO
No
Starting Price
Not specified
4

Ignition Agreement & Payment Automation

Has Mobile App
Web-only
Has Free Plan
No
Has Free Trial
Yes - 14 days
Integrates With Zapier
Yes
Has Public API
Enterprise API only
Live Chat Support
Yes
SOC 2 or ISO Certified
Not specified
Popular Integrations
Xero, QuickBooks, Zapier
Supports SSO
Enterprise plans only
Starting Price
$79/month
5

BILL.com Financial Operations

Has Mobile App
Yes
Has Free Plan
No
Has Free Trial
Yes - 30 days
Integrates With Zapier
Yes
Has Public API
Yes
Live Chat Support
Email/Ticket only
SOC 2 or ISO Certified
SOC 2
Popular Integrations
QuickBooks, Xero, NetSuite
Supports SSO
Enterprise plans only
Starting Price
Contact for pricing
6

Bill4Time Client Portal

Has Mobile App
Yes
Has Free Plan
No
Has Free Trial
Yes - 30 days
Integrates With Zapier
Yes
Has Public API
No
Live Chat Support
Yes
SOC 2 or ISO Certified
Not specified
Popular Integrations
QuickBooks, PayPal, LawPay
Supports SSO
No
Starting Price
$27/month per user
7

TimeSolv Billing Solution

Has Mobile App
Yes
Has Free Plan
No
Has Free Trial
Yes - 30 days
Integrates With Zapier
Yes
Has Public API
No
Live Chat Support
Yes
SOC 2 or ISO Certified
Not specified
Popular Integrations
QuickBooks, Dropbox, NetDocuments
Supports SSO
No
Starting Price
$34.95/user/month
8

Invoicely

Has Mobile App
No
Has Free Plan
Yes
Has Free Trial
N/A
Integrates With Zapier
No
Has Public API
No
Live Chat Support
Email/Ticket only
SOC 2 or ISO Certified
Not specified
Popular Integrations
PayPal, Stripe, Authorize.Net
Supports SSO
No
Starting Price
Free
9

BillingPlatform Customer & Payment Portal

Has Mobile App
No
Has Free Plan
No
Has Free Trial
Contact for trial
Integrates With Zapier
No
Has Public API
Yes
Live Chat Support
Email/Ticket only
SOC 2 or ISO Certified
Not specified
Popular Integrations
Salesforce, NetSuite, QuickBooks
Supports SSO
Yes
Starting Price
Contact for pricing
10

Square Invoicing Software

Has Mobile App
Yes
Has Free Plan
Yes
Has Free Trial
N/A
Integrates With Zapier
Yes
Has Public API
Yes
Live Chat Support
Yes
SOC 2 or ISO Certified
Not specified
Popular Integrations
QuickBooks, Xero, WooCommerce
Supports SSO
No
Starting Price
Free

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How We Rank Products

Our Evaluation Process

The 'How We Choose' section for invoicing and billing platforms with client portals and online pay products outlines a rigorous evaluation methodology based on key factors such as specifications, features, customer reviews, and ratings. Special considerations for this category include the ease of use of client portals, the variety of payment processing options, integration capabilities with existing financial systems, and the overall value proposition of each product. Rankings were determined by analyzing data from product specifications, comprehensive customer feedback, and comparative pricing models to ensure that users receive a reliable assessment of each platform's strengths and weaknesses.

Overall scores reflect relative ranking within this category, accounting for which limitations materially affect real-world use cases. Small differences in category scores can result in larger ranking separation when those differences affect the most common or highest-impact workflows.

Verification

  • Products evaluated through comprehensive research and analysis of invoicing and billing features.
  • Selection criteria focus on client portal functionality and online payment processing capabilities.
  • Comparison methodology analyzes customer feedback and expert reviews to ensure reliable recommendations.
How We Evaluate Products

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Score Breakdown

0.0 / 10

What This Award Means