Rubber Ring is an Android application listed in the F-Droid open-source app repository. Its package identifier is de.singular.looper and the latest listed build is 0.12.
Release information
Publisher: Kreuder. Category: Music Practice Tool. License: GNU General Public License v3.0 only. Android requirement: Android 8.0+. Download links below point directly to the files published by F-Droid, rather than files rehosted by SSM Apps.
Files are served directly by f-droid.org. Validate compatibility and provenance before installation; SSM Apps does not host these APKs.App screenshots
APK downloads and previous versions
Version Android Size Released APK 0.12 (13) Android 8.0+ 13 MiB Oct 02, 2026 Download APK 0.11 (12) Android 8.0+ 13 MiB Aug 29, 2026 Download APK 0.10 (11) Android 8.0+ 13 MiB Aug 11, 2026 Download APK
Before installing
Check the Android version and architecture for the specific release. Older versions may lack recent fixes. A standalone APK download does not provide automatic update notifications; F-Droid recommends using its client to manage installations and check repository signatures.
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