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Frequent Habits vs OpenHabitTracker: catalog facts
Frequent Habits	OpenHabitTracker
Free Free and open source, with no paywalled features.	Free Free and open source under the GPL-3.0 licence, with no ads or in-app purchases.
Android	Windows, macOS, Linux, Android, iOS, Web, Self-hosted
No paywall or subscription Privacy-focused design	Overdue-based habit scoring instead of streaks Available on every major platform and in the browser
Android only Young project with a small user base	Sync requires running your own server Mixes notes, tasks and habits, which may be more than a pure habit tracker needs
Downloadable app	Downloadable app, Web application, Self-hosted
Open source	Open source
License: MIT	License: GPL-3.0
Not stated if an account is needed	No account needed
Not stated if it works offline	Works offline
Official website Full listing and sources Checked October 2, 2026	Official website Full listing and sources Checked October 2, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.