
At a glance
- Latest version
- v3.2 (32)
- Updated
- Jul 28, 2026 (2 months ago)
- APK size
- 9.3 MB
- Requires
- Android 7.0+ (API 24)
- CPU support
- Any (no native code)
- Category
- Education (app)
- Listed since
- Mar 28, 2021 (at least)
- Permissions
- 8
- Website
- users.sch.gr/pbouboulis
- Developer contact
- [email protected]
- Privacy
- Developer's privacy policy
About this APK
Matrix Calculator (Matrices) is an app by STEMath in the Education category, listed since at least March 2021. It has no native code, so it runs on any Android processor.
It asks for 8 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 28, 2026.
- Certificate issued to “ArchSoft” This is the certificate of the Google Play version.
Store checks and file details
- Developer signature verified Jul 28, 2026
- Validated against Google Play Jul 28, 2026
- Signed byCN=Pantelis Bouboulis, OU=ArchSoft Mobile, O=ArchSoft, L=Pireas, ST=Greece, C=GR
- Signing certificate (SHA-1)3D:9A:F4:06:D2:19:DE:72:D6:C6:3C:E8:C4:84:FF:B5:F2:88:64:3C
- File MD57bc55b3e7d33695af384f1125d9e2bae
- 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 (8)
Matrix Calculator (Matrices) requests 8 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
- 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
Matrix Calculator (Matrices) 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 Matrix Calculator (Matrices) 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 7bc55b3e7d33695af384f1125d9e2bae.