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
First release: 17 Aug 2026
License: Not documented

02 / Package identity

Technical fingerprint

Application IDorg.jarsi.devicewatch

Latest APK SHA-256cf3eb684ee8a5233d8fc6dba93e9c5cf584707eee54c629fdc9267fb14bd0f29

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

03 / History

Project timeline

17 Aug 2026

Package observed in source index

Metadata and versions observed from the fdroid repository index.

04 / Version archive

Documented releases

1 TOTAL

VersionReleasedAndroidArchitecture

1.5.017 Aug 202626+arm64-v8a, armeabi-v7a, x86, x86_64→

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

Permissions15 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.WAKE_LOCK org.jarsi.devicewatch.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↗