What are the key differences between Invoice Ninja and Kimai?

Compare Invoice Ninja and Kimai side by side on Lunoo to see detailed feature differences, AI scores, and expert analysis.

How are Invoice Ninja and Kimai scored?

Invoice Ninja has an AI score of 8.3/10 and Kimai has an AI score of 5.7/10. Scores are based on features, user satisfaction, and overall quality analysis.

Invoice Ninja vs Kimai 2026 — Compared

Invoice Ninja

Kimai

WINNER Invoice Ninja

Invoice Ninja edges ahead with a score of 8.3/10 compared to 5.7/10 for Kimai. While both are highly rated in their resp...

emoji_events WINNER

Invoice Ninja

8.3 Very Good

Invoicing Software Get Invoice Ninja open_in_new

Kimai

5.7 Average

Time Tracking Tool Get Kimai open_in_new

Invoice Ninja From $9/month Free plan available

payments

Kimai Free plan available

psychology AI Verdict

Invoice Ninja edges ahead with a score of 8.3/10 compared to 5.7/10 for Kimai. While both are highly rated in their respective fields, Invoice Ninja demonstrates a slight advantage in our AI ranking criteria. A detailed AI-powered analysis is being prepared for this comparison.

emoji_events Winner: Invoice Ninja

verified Confidence: Low

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description Overview

Invoice Ninja

Invoice Ninja is a highly customizable, open-source invoicing platform that offers both a cloud-hosted service and a self-hosted version you can install on your own server. This unique flexibility appeals to developers, IT consultants, and privacy-conscious businesses. Its feature set is extensive, including invoicing, quotes, tasks, time tracking, expenses, and client portals. The white-labeling...

Kimai

Kimai is a free, open-source, self-hosted time tracking application. It supports multiple users, projects, and activities, with features for exporting data, creating invoices via plugins, and tracking expenses. It is highly customizable and extensible. It targets freelancers, small businesses, and developers who need a free, customizable tracking tool they can host on their own server. It scores d...