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Echo

Name: Echo
Author: Marek Rogalski

Marek Rogalski

Time travelling audio recorder for Android.

Multimedia
FOSS
Free
No ads
No tracking

Android only

Get Echo

Get it on F-Droid Get it on Zapstore

What are these stores? F-Droid, Zapstore

Continuously record audio for retrieval at a later time. Unless saved, recordings are deleted on a rolling basis. record harassment and bullying (even when you didn't anticipated them) save important pieces of information (phone numbers / passwords / instructions) record cute/funny moments prove that someone said (or didn't say) something Limitations

Developer: Marek Rogalski
Source code: github.com/mafik/echo
Added to AppCosmos: 9 October 2026
License: GPL-3.0-only