Is Device Watch safe?

Device Watch is an Android device monitor with a home-screen widget, per-app usage insights and an interactive screensaver for charging or docked use. It works completely offline: the app has no internet permission, and every number is real data read from Android and kernel sources — when a value is not available with the permissions granted, the app shows a dash instead of a fabricated value. Fe…

Developer: jrs8205
Category: System
Earliest archived version: 17 Aug 2026
License: GPL-3.0-or-later (per F-Droid metadata)

02 / Release notes

Release notes from F-Droid

16 Oct 2026

1.9.0

Privacy log (extended access): which apps used the camera, microphone and location, when, how long, from the background too, and what Android 17 refused • System apps (extended access): remove preinstalled apps you do not use, this user only, after a question, warned where the phone needs them, or…

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15 Oct 2026

1.8.0

Kernel page on rooted phones: each group of processor cores with its speed, limit and range, heat throttling, GPU speeds, zRAM, kernel version, SELinux and the temperature sensors • Processor profiles (root): Power saving, Balanced, Stock (full speed) or Custom per group of cores. The phone's own…

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14 Oct 2026

1.7.1

Screensaver can start as soon as charging begins with the screen off, even with Always On Display (Settings, off by default) • The phone's name above the screensaver clock • Burn-in shift only up and down (GitHub 6) • Fixed on the Fairphone 6 and similar: widget drawn at a third of its size…

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03 / Package identity

Technical fingerprint

Application IDorg.jarsi.devicewatch

Latest APK SHA-25600d9edfc14a7464e557a417c8ca22429e6c930ae652a5fe5b4cb16000fea86c2

Signing certificateA7:87:D3:BE:1F:A4:D5:87:51:E2:46:DB:A9:B8:F1:DE:D5:B6:A0:0A:B2:67:53:67:BF:49:42:09:28:E1:A5:1A

MIN ANDROID26TARGET35ARCHITECTUREarm64-v8a · armeabi-v7a · x86 · x86_64

04 / History

Archive history

6 versions in WIKI archive: earliest 1.5.0 (17 Aug 2026), latest 1.9.0 (16 Oct 2026).

No change in android.permission.* between 1.8.0 and 1.9.0.

05 / Version archive

Documented releases

6 TOTAL

VersionReleasedAndroidArchitecture

1.9.016 Oct 202626+arm64-v8a, armeabi-v7a, x86, x86_64→1.8.015 Oct 202626+arm64-v8a, armeabi-v7a, x86, x86_64→1.7.114 Oct 202626+arm64-v8a, armeabi-v7a, x86, x86_64→1.7.005 Oct 202626+arm64-v8a, armeabi-v7a, x86, x86_64→1.6.101 Oct 202626+arm64-v8a, armeabi-v7a, x86, x86_64→1.5.017 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

Permissions17 declared · 4 sensitive

Signaturepresent

Anti-featuresNo known anti-features

Sensitive accessACCESS_COARSE_LOCATIONACCESS_FINE_LOCATIONQUERY_ALL_PACKAGESREAD_PHONE_STATE

Declared permissions

android.permission.ACCESS_COARSE_LOCATION android.permission.ACCESS_FINE_LOCATION android.permission.ACCESS_NETWORK_STATE android.permission.ACCESS_WIFI_STATE android.permission.FOREGROUND_SERVICE android.permission.FOREGROUND_SERVICE_SPECIAL_USE android.permission.NEARBY_WIFI_DEVICES android.permission.PACKAGE_USAGE_STATS android.permission.POST_NOTIFICATIONS android.permission.QUERY_ALL_PACKAGES android.permission.READ_PHONE_STATE android.permission.RECEIVE_BOOT_COMPLETED android.permission.REQUEST_DELETE_PACKAGES android.permission.USE_BIOMETRIC android.permission.WAKE_LOCK moe.shizuku.manager.permission.API_V23 org.jarsi.devicewatch.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION

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↗