
Sleep Time - Alarm Calculator
Sleep Efficiently
Oleg Filimonov · ru.olegfilimonov.sleeptime
- Signature matches the Google Play version Details
At a glance
- Latest version
- v1.9.3 (26)
- Updated
- Jul 24, 2026 (3 months ago)
- APK size
- 7.9 MB
- Requires
- Android 4.4+ (API 19)
- CPU support
- Any (no native code)
- Category
- Productivity (app)
- Listed since
- Feb 19, 2021 (at least)
- Permissions
- 6
- Website
- olegfilimonov.com
- Developer contact
- [email protected]
About this APK
Sleep Time - Alarm Calculator is an app by Oleg Filimonov in the Productivity category, listed since at least February 2021. It has no native code, so it runs on any Android processor.
It asks for 6 permissions, none of them sensitive. The app can read the advertising ID that ad and analytics services use.
Description
From the listing uploaded by “appupdater”.
Security & authenticity
Signing certificate
- Signature matches the Google Play version Checked by the source store on Jul 24, 2026.
- Certificate issued to “Oleg Filimonov” This is the certificate of the Google Play version.
Store checks and file details
- Developer signature verified Jul 24, 2026
- Validated against Google Play Jul 24, 2026
- Signed byCN=Oleg Filimonov, O=Oleg Filimonov, L=Saint Petersburg, ST=Saint Petersburg, C=07
- Signing certificate (SHA-1)D5:81:3E:AE:EA:8A:8D:40:40:CA:2A:03:84:9A:3E:FF:D9:85:3B:2D
- File MD55c3d20a76fdbc3709862bd02c0116c04
- Uploaded by “appupdater” Gold tier · 117,810 followers · uploading since 2020
Scans and ratings come from the source store; the certificate comparisons are AAPKs's own, made from the files' published signatures. AAPKs doesn't scan files itself — compare the MD5 and signer after downloading.
Permissions (6)
Sleep Time - Alarm Calculator requests 6 permissions, none of them sensitive.
- Advertising ID com.google.android.gms.permission.AD_ID
- Alarm set alarm (custom) com.android.alarm.permission.SET_ALARM
- Full network access android.permission.INTERNET
- Google Play install referrer com.google.android.finsky.permission.BIND_GET_INSTALL_REFERRER_SERVICE
- Prevent the device from sleeping android.permission.WAKE_LOCK
- View network connections android.permission.ACCESS_NETWORK_STATE
Required hardware & features
- Basic touch input android.hardware.faketouch
- Portrait screen android.hardware.screen.portrait
Sleep Time - Alarm Calculator APK: questions and answers
Can I install this APK over the version I already have?
Yes, if your installed copy is older. It is signed like the Google Play version, so Android installs it as an update and keeps your data.
Is the Sleep Time - Alarm Calculator APK safe?
No one can promise that a file is safe, but some things can be checked. The source store rates this file Trusted. Its signature matches the Google Play version. After downloading, check that the file's MD5 is 5c3d20a76fdbc3709862bd02c0116c04.