Is SleepTimer safe?

A minimal, privacy-respecting sleep timer for Android. Starts a countdown that stops media playback, fades audio out, and optionally locks the screen when it ends — so you can fall asleep without your phone draining the battery or blaring podcasts at 3 AM. No accounts, no ads, no trackers, no network access. Features: Simple countdown timer with +/- step buttons and cancel directly from the notif…

Developer: Xitee
Category: Multimedia
Earliest archived version: 27 Aug 2026
License: GPL-3.0-or-later (per F-Droid metadata)

02 / Release notes

Release notes from F-Droid

04 Oct 2026

1.3.0

New: option to turn off mobile data when the timer ends (requires Shizuku). Fixed: from 60 minutes on, the time display always shows H:MM, so a full hour reads "1:00" instead of a bare "1". Fixed: the dial no longer spins through several revolutions when it opens with a preset above one hour.

Full notes →

27 Aug 2026

1.2.0

New: home screen widget — start the timer with one tap. New: Quick Settings tile — starts the timer with the last used duration. New: accessibility service as an alternative screen lock method, so the screen can be locked without granting device admin rights.

Full notes →

03 / Package identity

Technical fingerprint

Application IDdev.xitee.sleeptimer

Latest APK SHA-25643662d2172a397430f809e40153b1f5fbfd002142ed9730a573e69181d14e5ea

Signing certificate87:E5:FE:65:C5:8D:5B:84:06:D2:39:D6:8E:7A:9D:6D:7F:40:24:5E:E6:C3:A1:F4:58:E6:70:94:B0:A6:7F:B0

MIN ANDROID26TARGET36ARCHITECTUREarm64-v8a · armeabi-v7a · x86 · x86_64

04 / History

Archive history

2 versions in WIKI archive: earliest 1.2.0 (27 Aug 2026), latest 1.3.0 (04 Oct 2026).

No change in android.permission.* between 1.2.0 and 1.3.0.

05 / Version archive

Documented releases

2 TOTAL

VersionReleasedAndroidArchitecture

1.3.004 Oct 202626+arm64-v8a, armeabi-v7a, x86, x86_64→1.2.027 Aug 202626+arm64-v8a, armeabi-v7a, x86, x86_64→

06 / 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

Permissions5 declared · 0 sensitive

Signaturepresent

Anti-featuresNo known anti-features

Sensitive accessNo sensitive permissions

Declared permissions

android.permission.FOREGROUND_SERVICE android.permission.FOREGROUND_SERVICE_MEDIA_PLAYBACK android.permission.POST_NOTIFICATIONS dev.xitee.sleeptimer.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION moe.shizuku.manager.permission.API_V23

Tracker status: Not assessed by WIKI for Android.

07 / Sources

Evidence ledger

Each entry is a captured public reference backing this record.

RepositorySource package page↗Source codeSource repository↗