
Write Numbers: Tracing 123
Trigonom sh.p.k. · al.trigonom.zahlenschreiben
- Signature matches the Google Play version Details
At a glance
- Latest version
- v2.2.5 (47)
- Updated
- Oct 8, 2025 (1 year ago)
- APK size
- 20.3 MB
- Requires
- Android 4.0.3+ (API 15)
- CPU support
- x86 32-bit, x86 64-bit, ARM 32-bit, ARM 64-bit
- Category
- Education (app)
- Listed since
- Mar 18, 2020 (at least)
- Permissions
- 5
- Website
- trigonom.games
- Developer contact
- [email protected]
- Privacy
- Developer's privacy policy
About this APK
Write Numbers: Tracing 123 is an app by Trigonom sh.p.k. in the Education category, listed since at least March 2020. It includes native code for x86 32-bit, x86 64-bit, ARM 32-bit and ARM 64-bit, so it runs on practically every phone.
It asks for 5 permissions, none of them sensitive. It asks for the same permissions as version 2.2.1c.
What's new in v2.2.5
Description
From the listing uploaded by “catappult”.
Version history
3 versions are listed, going back to v2.1.8c.
Security & authenticity
Signing certificate
- Signature matches the Google Play version Checked by the source store on Jul 20, 2020.
- Certificate issued to “Trigonom” This is the certificate of the Google Play version.
- Same certificate as the 2 other versions checked
Store checks and file details
- Developer signature verified Jul 20, 2020
- Validated against Google Play Jul 20, 2020
- Antivirus scan passed Sep 16, 2020
- Signed byCN=, OU=, O=Trigonom, C=
- Signing certificate (SHA-1)3D:59:19:00:67:53:1E:39:51:C1:F7:46:5E:50:C9:97:B6:A6:48:B8
- File MD5b6edbb80f797873a857dd25a3cb0f2a3
- Uploaded by “catappult” Platinum tier · 1,377 followers · uploading since 2018
Scans and ratings come from the source store; the certificate comparisons are AAPKs's own, made from the files' published signatures (2 other versions compared). AAPKs doesn't scan files itself — compare the MD5 and signer after downloading.
Permissions (5)
Write Numbers: Tracing 123 requests 5 permissions, none of them sensitive.
- Advertising (custom) com.asfoundation.ADVERTISING
- Billing (custom) com.appcoins.BILLING
- Full network access android.permission.INTERNET
- 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
- Landscape screen android.hardware.screen.landscape
Write Numbers: Tracing 123 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 Write Numbers: Tracing 123 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. It is signed with the same certificate as the 2 other versions checked. After downloading, check that the file's MD5 is b6edbb80f797873a857dd25a3cb0f2a3.