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Meditation Assistant vs Zazen Meditation Timer: catalog facts
Meditation Assistant	Zazen Meditation Timer
Free Free and open source under the GPL.	Free Free and open source under the MIT licence.
Android	Android
Timed sessions by duration or end time, plus untimed sessions Configurable start, interval and end sounds	Sessions made of several timed sections Bell sounds mark each transition
Infrequent updates Android only	Android only Focused on timing; no guided meditations or statistics mentioned
Downloadable app	Downloadable app
Open source	Open source
License: GPL-3.0	License: MIT
Not stated if an account is needed	Not stated if an account is needed
Not stated if it works offline	Not stated if it 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.