
ARITHMETICS
ARITHMETICS FOR CHILDREN - Simple arithmetic puzzles for children and adults.
MICHAL SYNILO · com.soft.ground.aryphmethics
- Signature matches the Google Play version Details
At a glance
- Latest version
- v1.21 (21)
- Updated
- Jan 9, 2026 (9 months ago)
- APK size
- 9.9 MB
- Requires
- Android 7.1+ (API 25)
- CPU support
- Any (no native code)
- Category
- Educational (game)
- Listed since
- Feb 17, 2021 (at least)
- Permissions
- 9
- Developer contact
- [email protected]
- Privacy
- Developer's privacy policy
About this APK
ARITHMETICS is a game by MICHAL SYNILO in the Educational category, listed since at least February 2021. It has no native code, so it runs on any Android processor.
It asks for 9 permissions, none of them sensitive. The game can read the advertising ID that ad and analytics services use.
What's new in v1.21
Description
From the listing uploaded by “appupdater”.
Security & authenticity
Signing certificate
- Signature matches the Google Play version Checked by the source store on Jan 9, 2026.
- Certificate from Google Play App Signing Google keeps the signing key for the developer, so the certificate carries Google's name.
Store checks and file details
- Developer signature not checked yet Jan 9, 2026
- Validated against Google Play Jan 9, 2026
- Signed byCN=Android, OU=Android, O=Google Inc., L=Mountain View, ST=California, C=US
- Signing certificate (SHA-1)C5:09:F7:C3:B8:13:B1:DF:23:A5:4C:12:8B:08:90:EA:DF:BB:34:F9
- File MD594b4a76e7788a391c528e0a657c3deff
- 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 (9)
ARITHMETICS requests 9 permissions, none of them sensitive.
- Access adservices ad id android.permission.ACCESS_ADSERVICES_AD_ID
- Access adservices attribution android.permission.ACCESS_ADSERVICES_ATTRIBUTION
- Access adservices topics android.permission.ACCESS_ADSERVICES_TOPICS
- Advertising ID com.google.android.gms.permission.AD_ID
- Full network access android.permission.INTERNET
- Internal broadcast protection (app-defined) com.soft.ground.aryphmethics.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION
- Prevent the device from sleeping android.permission.WAKE_LOCK
- Run foreground services android.permission.FOREGROUND_SERVICE
- View network connections android.permission.ACCESS_NETWORK_STATE
Required hardware & features
- Basic touch input android.hardware.faketouch
- Portrait screen android.hardware.screen.portrait
ARITHMETICS 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 ARITHMETICS APK safe?
No one can promise that a file is safe, but some things can be checked. The source store rates this file Unknown. Its signature matches the Google Play version. After downloading, check that the file's MD5 is 94b4a76e7788a391c528e0a657c3deff.