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Constanza - Good habits vs Frequent Habits: catalog facts
Constanza - Good habits	Frequent Habits
Free Free and open source under the MIT license.	Free Free and open source, with no paywalled features.
Android	Android
Six schedule types and multiple reminder times Answer reminders from notifications	No paywall or subscription Privacy-focused design
Android only Dark interface with no light mode	Android only Young project with a small user base
Downloadable app	Downloadable app
Open source	Open source
License: MIT	License: MIT
No account needed	Not stated if an account is needed
Works offline	Not stated if it works offline
Official website Full listing and sources Checked October 8, 2026	Official website Full listing and sources Checked October 2, 2026

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