Watch Timegrapher
Timegrapher for mechanical watches: rate, beat error, amplitude and drift.
CherneyWerk · com.cherneywerk.timegrapher
At a glance
- Latest version
- v0.2 (8)
- Updated
- Sep 24, 2026 (15 days ago)
- APK size
- 3.9 MB
- Requires
- Android 8.0+ (API 26)
- CPU support
- ARM 32-bit, ARM 64-bit
- Category
- Tools (app)
- Permissions
- 11 (2 sensitive)
- Developer contact
- [email protected]
- Privacy
- Developer's privacy policy
About this APK
Watch Timegrapher is an app by CherneyWerk in the Tools category. It includes native code for ARM 32-bit and ARM 64-bit, so it runs on practically every phone.
It asks for 11 permissions, 2 of them sensitive: camera and record audio. The app offers in-app purchases through Google Play.
What's new in v0.2
Description
From the listing uploaded by “superpocket”.
Security & authenticity
Signing certificate
- Certificate issued to “zph-mph” Not the developer's name (“CherneyWerk”). Names in certificates can't be verified, so this alone proves nothing.
Store checks and file details
- Developer signature verified Sep 24, 2026
- Signed byCN=Jx Clarynx, O=zph-mph, OU=anon.org, L=Caraga, ST=Surigao Del Norte, C=8609
- Signing certificate (SHA-1)7D:64:F9:C2:53:C7:EF:35:A0:72:0F:6F:8A:80:2B:D4:B9:20:AA:3A
- File MD571ce91db7d581631d698e83142768ba2
- Uploaded by “superpocket” Silver tier · 5,272 followers · uploading since 2016
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 (11)
Watch Timegrapher requests 11 permissions, 2 of them sensitive.
- Camera Sensitive android.permission.CAMERA
- Record audio (microphone) Sensitive android.permission.RECORD_AUDIO
- Full network access android.permission.INTERNET
- Google Play license check com.android.vending.CHECK_LICENSE
- In-app purchases (Google Play Billing) com.android.vending.BILLING
- Internal broadcast protection (app-defined) com.cherneywerk.timegrapher.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION
- Prevent the device from sleeping android.permission.WAKE_LOCK
- Run at startup android.permission.RECEIVE_BOOT_COMPLETED
- Run foreground services android.permission.FOREGROUND_SERVICE
- Show notifications android.permission.POST_NOTIFICATIONS
- View network connections android.permission.ACCESS_NETWORK_STATE
Required hardware & features
- Basic touch input android.hardware.faketouch
- Microphone android.hardware.microphone
- Portrait screen android.hardware.screen.portrait
Watch Timegrapher APK: questions and answers
Can I install this APK over the version I already have?
Only if it is signed with the same certificate as the copy on your phone and isn't an older version. If Android says “App not installed”, the certificates differ; uninstalling your copy first works but deletes its data unless it is backed up.
Is Watch Timegrapher free?
The APK is free to download, but the app offers in-app purchases through Google Play.
Is the Watch Timegrapher APK safe?
No one can promise that a file is safe, but some things can be checked. The source store rates this file Trusted. After downloading, check that the file's MD5 is 71ce91db7d581631d698e83142768ba2.
