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Invoice Ninja vs Abby Comparison (2026)

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Invoice Ninja logo

Invoice Ninja

Abby logo

Abby

Overview

Create. Send. Get Paid. Invoice Ninja is the leading small-business platform to invoice, accept payments, track expenses & time tasks. Designed for freelancers and small to medium size businesses, Invoice Ninja is a suite of apps to help you get paid.

Abby helps businesses ensure that customer documents are legal and comply with the rules. Customers can pay online and receive reminders for late payments.

  • Platforms supported
  • Web-based
  • iPhone app
  • Android app
  • Windows Phone app
  • Typical customers
  • Freelancers
  • Small businesses
  • Mid size businesses
  • Large enterprises
  • Customer support
  • Phone
  • Online
  • Knowledge base
  • Video tutorials
  • Platforms supported
  • Web-based
  • iPhone app
  • Android app
  • Windows Phone app
  • Typical customers
  • Freelancers
  • Small businesses
  • Mid size businesses
  • Large enterprises
  • Customer support
  • Phone
  • Online
  • Knowledge base
  • Video tutorials

Video & Screenshots

Pricing

Starting from

10

Per month

  • Free trial available
  • Credit cardless trial
  • Free account
  • Subscription based

Starting from

0.01

Per month

  • Free trial available
  • Credit cardless trial
  • Free account
  • Subscription based

User reviews

4.7

167

5

4

3

2

1

137

22

4

3

1

  • Value for money
  • Ease of use
  • Features
  • Customer support
91%
would recommend this app

4.7

604

5

4

3

2

1

481

103

13

4

3

  • Value for money
  • Ease of use
  • Features
  • Customer support
87%
would recommend this app

Pros

“Solid tool if you want to self-host, and you do not care for polished interface.”
Verified reviewer profile picture

Martynas S.

Head of infrastructure engineering

“Low Maintenance: It requires minimal maintenance, which is a huge plus for my workflow.”
Verified reviewer profile picture

Martynas S.

Head of infrastructure engineering

“I like that I am able to create multiple businesses each woth their own invoice template logo conditions etc.”
bs

barbera s.

CEO

Pros

“Simple and easy to understand and use, very intuitive set up.”
EC

Emmeline C.

Writer

“Abby, is a software that presents several features that allows us to manage our activities in a simple and easy way.”
AD

Assimi D.

Marketing and communication director

“I also liked how the calls were recorded.”
JP

Jason P.

Owner

Cons

“There are some bugs now and then in templating and other areas that are annoying.”
Verified reviewer profile picture

Martynas S.

Head of infrastructure engineering

“They forced me to migrate to the new system, refused to answer the questions I had about the migration, made fun of me and were incredible rude via email and after migrating when my account was not recognized by the new system they refused to help me.”
bs

barbera s.

CEO

“This decision not only cost me a lot of valuable time to fix lots of bugs of the "automated" Migration process itself, but also it finally cost me almost $700 of my income because of an unwanted (automated) email that went out to a customer unplanned and unwarned.”
TR

Tobias R.

Owner / Founder

Cons

“It got too pricey for us.”
JP

Jason P.

Owner

“Price a bit high and features very difficult to master”
DM

Djabire M.

Manger

  • Vendor responds to reviews
  • Last review2 months ago
  • Vendor responds to reviews
  • Last review6 months ago

Key features

  • Total features64
  • API
  • Access Controls/Permissions
  • Accounting
  • Accounting Integration
  • Accounts Payable
  • Accounts Receivable
  • Activity Dashboard
  • Activity Tracking
  • Alerts/Notifications
  • Automated Quoting
  • Backup and Recovery
  • Bank Reconciliation
  • Billing & Invoicing
  • Billing Portal
  • CRM
  • Client Management
  • Client Portal
  • Compliance Management
  • Contact Database
  • Contact Management
  • Contingency Billing
  • Credit Card Processing
  • Currency Management
  • Customer Accounts
  • Customer Statements
  • Customizable Branding
  • Customizable Fields
  • Customizable Invoices
  • Customizable Reports
  • Customizable Templates
  • Dashboard
  • Data Import/Export
  • Data Synchronization
  • Data Visualization
  • Deferred Billing
  • Document Management
  • Document Storage
  • Dunning Management
  • Electronic Payments
  • Electronic Signature
  • Email Management
  • Email Reminders
  • Employee Management
  • Estimating
  • Expense Tracking
  • Financial Analysis
  • Financial Management
  • Financial Reporting
  • For Small Businesses
  • General Ledger
  • HR Management
  • Hourly Billing
  • Inventory Management
  • Invoice Creation
  • Invoice History
  • Invoice Management
  • Invoice Processing
  • Master Data Management
  • Mobile Access
  • Mobile App
  • Mobile Payments
  • Monitoring
  • Multi-Currency
  • Multi-Language
  • Multi-Location
  • Multi-Period Recurring Billing
  • Multiple Payment Options
  • Online Invoicing
  • Online Payments
  • PCI Compliance
  • Partial Payments
  • Payment Processing
  • Performance Metrics
  • Pricing Management
  • Pricing and Cost Calculations
  • Profit/Loss Statement
  • Project Accounting
  • Project Billing
  • Project Management
  • Purchase Order Management
  • Purchasing & Receiving
  • Quotes/Estimates
  • Real-Time Data
  • Real-Time Reporting
  • Recurring Invoicing
  • Recurring/Subscription Billing
  • Refund Management
  • Reminders
  • Remote Access/Control
  • Reporting & Statistics
  • Sales Tax Management
  • Secure Data Storage
  • Self Service Portal
  • Status Tracking
  • Subscription Management
  • Task Management
  • Tax Calculation
  • Third-Party Integrations
  • Time & Expense Tracking
  • Time Tracking
  • Transaction History
  • Transaction Monitoring
  • Vendor Management
  • Workflow Automation
  • Workflow Management
  • Total features88
  • API
  • Access Controls/Permissions
  • Accounting
  • Accounting Integration
  • Accounts Payable
  • Accounts Receivable
  • Activity Dashboard
  • Activity Tracking
  • Alerts/Notifications
  • Automated Quoting
  • Backup and Recovery
  • Bank Reconciliation
  • Billing & Invoicing
  • Billing Portal
  • CRM
  • Client Management
  • Client Portal
  • Compliance Management
  • Contact Database
  • Contact Management
  • Contingency Billing
  • Credit Card Processing
  • Currency Management
  • Customer Accounts
  • Customer Statements
  • Customizable Branding
  • Customizable Fields
  • Customizable Invoices
  • Customizable Reports
  • Customizable Templates
  • Dashboard
  • Data Import/Export
  • Data Synchronization
  • Data Visualization
  • Deferred Billing
  • Document Management
  • Document Storage
  • Dunning Management
  • Electronic Payments
  • Electronic Signature
  • Email Management
  • Email Reminders
  • Employee Management
  • Estimating
  • Expense Tracking
  • Financial Analysis
  • Financial Management
  • Financial Reporting
  • For Small Businesses
  • General Ledger
  • HR Management
  • Hourly Billing
  • Inventory Management
  • Invoice Creation
  • Invoice History
  • Invoice Management
  • Invoice Processing
  • Master Data Management
  • Mobile Access
  • Mobile App
  • Mobile Payments
  • Monitoring
  • Multi-Currency
  • Multi-Language
  • Multi-Location
  • Multi-Period Recurring Billing
  • Multiple Payment Options
  • Online Invoicing
  • Online Payments
  • PCI Compliance
  • Partial Payments
  • Payment Processing
  • Performance Metrics
  • Pricing Management
  • Pricing and Cost Calculations
  • Profit/Loss Statement
  • Project Accounting
  • Project Billing
  • Project Management
  • Purchase Order Management
  • Purchasing & Receiving
  • Quotes/Estimates
  • Real-Time Data
  • Real-Time Reporting
  • Recurring Invoicing
  • Recurring/Subscription Billing
  • Refund Management
  • Reminders
  • Remote Access/Control
  • Reporting & Statistics
  • Sales Tax Management
  • Secure Data Storage
  • Self Service Portal
  • Status Tracking
  • Subscription Management
  • Task Management
  • Tax Calculation
  • Third-Party Integrations
  • Time & Expense Tracking
  • Time Tracking
  • Transaction History
  • Transaction Monitoring
  • Vendor Management
  • Workflow Automation
  • Workflow Management

Integrations

  • Total integrations9
  • GoCardless
  • Make
  • Mollie
  • PayPal
  • PayPal Enterprise Payments
  • PayTrace
  • Stripe
  • YouTrust
  • Zapier
  • authorize.net
  • Total integrations3
  • GoCardless
  • Make
  • Mollie
  • PayPal
  • PayPal Enterprise Payments
  • PayTrace
  • Stripe
  • YouTrust
  • Zapier
  • authorize.net

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