Is Ultrasonic safe?

Ultrasonic is a Subsonic (and compatible servers) client to Android. You can use Ultrasonic to connect with your server and listen music. Main features: Small size & fast Material You theme with dark and light variants Multiple server support Download tracks for offline playback Bookmarks Playlists on server Shuffled playback Jukebox mode And much more!! Note: Ultrasonic uses semantic release ver…

Developer: moire
Category: Internet
Earliest archived version: 11 Mar 2026
License: GPL-3.0-only (per F-Droid metadata)

02 / Release notes

Release notes from F-Droid

11 Mar 2026

4.9.0

Fixes - Can now download albums that end with a period - Retain playlist view when rotating screen - Now remembers last song played when playback is resumed outside of the main app (bluetooth, android auto, etc.) - Handles cover art fetch failure to prevent occasional persistent missing cover art…

Full notes →

03 / Package identity

Technical fingerprint

Application IDorg.moire.ultrasonic

Latest APK SHA-256b06e4958e3f6040228e06e270729b2363358d1e2ba8348ad07a7ebc6a0f85daa

Signing certificate9E:29:46:66:0E:A0:36:CA:43:52:D9:F6:0E:77:36:81:38:C8:62:AA:56:37:27:0A:58:F5:F3:28:36:AA:3B:DC

MIN ANDROID26TARGET36ARCHITECTURE

04 / Version archive

Documented releases

1 TOTAL

VersionReleasedAndroidArchitecture

4.9.011 Mar 202626+→

05 / Safety & access

Safety verdict

Authentic — file hash matches the source indexNo ads or tracking flagged by the source

IntegritySHA-256 verified vs source

SourceOpen-source · fdroid

Permissions12 declared · 0 sensitive

Signaturepresent

Anti-featuresNo known anti-features

Sensitive accessNo sensitive permissions

Declared permissions

android.permission.ACCESS_NETWORK_STATE android.permission.BLUETOOTH android.permission.BLUETOOTH_CONNECT android.permission.FOREGROUND_SERVICE android.permission.FOREGROUND_SERVICE_DATA_SYNC android.permission.FOREGROUND_SERVICE_MEDIA_PLAYBACK android.permission.INTERNET android.permission.MODIFY_AUDIO_SETTINGS android.permission.POST_NOTIFICATIONS android.permission.REORDER_TASKS android.permission.WAKE_LOCK org.moire.ultrasonic.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION

Tracker status: Not assessed by WIKI for Android.

06 / Sources

Evidence ledger

Each entry is a captured public reference backing this record.

RepositorySource package page↗Source codeSource repository↗