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Brethap vs Breathly: catalog facts
Brethap	Breathly
Free Free and open source under the GPL-3.0 licence.	Free Free and open source, with no ads or in-app purchases.
Android	Android
Configurable breathing patterns Session history in list and calendar views	Several breathing techniques with guided pacing No ads or in-app purchases
Android only Focused on timed breathing rather than guided audio meditations	Covers breathing exercises only, with no wider meditation content Only an Android store link is listed
Downloadable app	Downloadable app
Open source	Open source
License: GPL-3.0	License: MPL-2.0
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.