Clockify vs Kimai
Clockify and Kimai are both time tracking software. Clockify is a commercial product from CAKE.com. Kimai is open source under AGPL-3.0, with 5.1k GitHub stars.
Which to pick
- Pick Clockify when
- A team wants free time tracking for many users and may add paid features later.
- Pick Kimai when
- A freelancer or company with many staff needs proven self-hosted time tracking and invoicing.
Side by side
Time tracker and timesheet app with a free unlimited-user plan, plus paid scheduling, approvals and invoicing.
A multi-user time tracking application with timesheets, reports, invoicing, budgets and approval workflows.
Many useful features such as approvals and audit logs are on paid tiers.
Several useful plugins are paid.
Production-ready (both)
Cloud service, desktop app, mobile app and browser extension
Self-hosted server and cloud service
Not published
PHP, Symfony and MySQL
Closed source, sold by CAKE.com
Open source, AGPL-3.0 (network copyleft)
Closed source: you use it under the maker's terms and cannot change or resell the code.
Use inside your business is unrestricted. If you change it and let customers use it over the internet, you must publish your changes.
No Wikipedia article of its own
5.1k GitHub stars
Not known
Established: started 10 years ago, latest release 2.71.0.
Other comparisons
More time tracking apps
Both sides were judged on 2026-11-03 from makers' descriptions, Wikipedia, READMEs and GitHub data. License, age and popularity lines are worked out directly.