At a glance
- Latest version
- v1.5 (7)
- Updated
- Nov 8, 2025 (11 months ago)
- APK size
- 28.3 KB
- Requires
- Android 5.0+ (API 21)
- CPU support
- Any (no native code)
- Category
- Productivity (app)
- Listed since
- Apr 2, 2023 (at least)
- Website
- i-r-p.de/android.htm
- Developer contact
- [email protected]
- Privacy
- Developer's privacy policy
About this APK
Clock is an app by Rudolf Polzer in the Productivity category, listed since at least April 2023. It has no native code, so it runs on any Android processor.
What's new in v1.5
Description
From the listing uploaded by “appupdater”.
Security & authenticity
Signing certificate
- Signature matches the Google Play version Checked by the source store on Nov 8, 2025.
- Certificate issued to “Ingenieurbüro Rudolf Polzer” This is the certificate of the Google Play version.
Store checks and file details
- Developer signature verified Nov 8, 2025
- Validated against Google Play Nov 8, 2025
- Signed byCN=Rudolf Polzer, O=Ingenieurbüro Rudolf Polzer, C=DE
- Signing certificate (SHA-1)00:D0:C7:66:DC:73:AB:DE:B9:A1:1B:ED:25:0A:C6:81:4B:51:39:ED
- File MD5ea2d94e8287d0d4c0001228baa7bfc7b
- 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.
Required hardware & features
- Basic touch input android.hardware.faketouch
Clock 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 Clock 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 ea2d94e8287d0d4c0001228baa7bfc7b.
