Compare software

Reverb vs good-echo: catalog facts
Reverb	good-echo
Best for: Capturing moments of audio you did not know to record in advance	Best for: Capturing spoken information or moments you did not expect to need
Free Free and open source under the GPL-3.0.	Free Free and open source under the GPL v3.
Android	Android
Rolling buffer lets you save audio after it was heard Disk-backed history that persists across restarts All 4 strengths for Reverb Rolling buffer lets you save audio after it was heard Disk-backed history that persists across restarts Retention limits by time or size Configurable audio format and source	Saves audio from moments that already happened Unsaved recordings are discarded automatically All 3 strengths for good-echo Saves audio from moments that already happened Unsaved recordings are discarded automatically Opus encoding keeps the history compact
Android only Continuous recording uses storage and battery	Constant background recording may affect battery life Recording people without consent is illegal in some places All 3 limitations for good-echo Constant background recording may affect battery life Recording people without consent is illegal in some places Small project with a single maintainer
Downloadable app	Downloadable app
Open source	Open source
License: GPL-3.0-only	License: GPL-3.0
Not stated if an account is needed	No account needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Sources for Reverb sanyambrar.com/projects/reverb github.com/SmallThingz/reverb f-droid.org/packages/app.smallthingz.reverb Catalog checked October 2, 2026	Official website Full listing and sources Sources for good-echo github.com/shkarlsson/good-echo f-droid.org/packages/com.goodecho.app Catalog checked October 2, 2026

“Not stated” means we have not confirmed it. Features can vary by device and plan.