Invoice Ninja vs Kimai
Side-by-side comparison of features, pricing, ratings, and alternatives.
Invoiceninja is a source-available app that helps businesses manage their invoicing, quoting, projects, and time-tracking in one place. It is built with Laravel and offers a range of features to streamline financial management and improve productivity.
Kimai is a free, open-source time tracking software that helps individuals and teams track their work hours and stay organized. It offers a simple and intuitive interface, making it easy to log time spent on tasks and projects.
- Free and open-source
- Customizable invoices and quotes
- Multi-user support
- Integrates with payment gateways
- Free and open-source
- Simple and intuitive interface
- Customizable dashboard and widgets
- Support for multiple users and teams
- Limited customer support
- Steep learning curve for non-technical users
- Limited scalability for large businesses
- Limited features compared to paid time tracking software
- Steep learning curve for advanced features
- Limited support options
More alternatives & similar tools
Alternatives to Invoice Ninja
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View all →The Verdict
AI-generated from listing dataInvoice Ninja offers broader invoicing, quoting, and expense features with multi‑user support, while Kimai focuses purely on time‑tracking with a simpler UI.
Key differences
- •Invoice Ninja includes full invoice, quote, expense, and reporting modules; Kimai is limited to time‑tracking and basic invoicing.
- •Invoice Ninja integrates payment gateways for online payments; Kimai’s integrations are limited to project tools and lacks payment gateway support.
- •Kimai provides a mobile app for on‑the‑go tracking; Invoice Ninja does not mention a mobile app.
- •Invoice Ninja has a larger open‑source community (9,952 GitHub stars vs 4,838) indicating broader ecosystem.
- •Kimai’s dashboard is highly customizable with widgets; Invoice Ninja’s customization is limited to branding invoices/quotes.
Pricing & value
Both are free and open‑source, offering comparable cost advantage.
Ease of use / learning curve
Kimai is described as having a simple, intuitive interface, whereas Invoice Ninja has a steep learning curve for non‑technical users.
Features & depth
Invoice Ninja provides invoicing, quoting, expense management, and reporting beyond Kimai's time‑tracking focus.
Integrations & ecosystem
Invoice Ninja lists payment gateway and accounting software integrations; Kimai mentions only project‑tool integrations.
Collaboration
Invoice Ninja supports multiple users with roles/permissions; Kimai also supports teams but without detailed role management.
Scalability
Invoice Ninja notes limited scalability for large businesses, but still offers more modules than Kimai, which is limited to time‑tracking.
Support
Invoice Ninja offers email and community forum; Kimai offers email and documentation, giving Invoice Ninja slightly broader support options.
Choose Invoice Ninja if…
Freelancers or small teams needing full invoicing, quoting, expense tracking, and payment gateway integration.
Choose Kimai if…
Freelancers or small teams that primarily need straightforward time‑tracking with a mobile app and simple UI.
Common questions
Which tool can process online payments directly?
Invoice Ninja integrates with payment gateways for online payments; Kimai does not list this capability.
Do both solutions support multiple users?
Yes, both support multiple users; Invoice Ninja adds role‑based permissions, while Kimai offers team support without detailed roles.
Is there a mobile app for tracking time?
Kimai provides a mobile app for on‑the‑go time tracking; Invoice Ninja does not mention a mobile app.

