Is Keep SIM Alive safe?

Keep SIM Alive sends an SMS on the schedule you define so your prepaid, roaming, or backup SIM card is never deactivated for inactivity. How it works For each SIM on the device you set a recipient, a message, and a schedule for when the message goes out. Each keep-alive is a regular SMS: your carrier may charge for it as per your plan. Features Dual-SIM device support Fixed send time or a random…

Developer: Dymitr Kotowski
Category: Phone & SMS
Earliest archived version: 16 Oct 2026
License: GPL-3.0-or-later (per F-Droid metadata)

02 / Release notes

Release notes from F-Droid

16 Oct 2026

1.0.0

First public release: - Per-SIM keep-alive schedules - Send history - Automatic retries - Off-schedule manual sends - English and Russian

Full notes →

03 / Package identity

Technical fingerprint

Application IDapp.kotowski.keepsimalive.vanilla

Latest APK SHA-256bc601a2989ce9707dac3a231edc642c8138873049aee83c61915bf6cc0089209

Signing certificateC9:4A:EF:A8:37:09:21:12:C0:30:20:A4:64:FF:83:7B:DC:A5:28:21:41:BC:1D:01:35:57:85:5A:3A:B2:85:32

MIN ANDROID24TARGET36ARCHITECTUREarm64-v8a · armeabi-v7a · x86 · x86_64

04 / Version archive

Documented releases

1 TOTAL

VersionReleasedAndroidArchitecture

1.0.016 Oct 202624+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

Permissions10 declared · 2 sensitive

Signaturepresent

Anti-featuresNo known anti-features

Sensitive accessREAD_PHONE_STATESEND_SMS

Declared permissions

android.permission.ACCESS_NETWORK_STATE android.permission.FOREGROUND_SERVICE android.permission.POST_NOTIFICATIONS android.permission.READ_PHONE_STATE android.permission.RECEIVE_BOOT_COMPLETED android.permission.REQUEST_IGNORE_BATTERY_OPTIMIZATIONS android.permission.SCHEDULE_EXACT_ALARM android.permission.SEND_SMS android.permission.WAKE_LOCK app.kotowski.keepsimalive.vanilla.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↗