Group Calculator
Calculate group numbers
Dieter Thiess · de.dieterthiess.groupcalculator
- Signature matches the Google Play version Details
At a glance
- Latest version
- v1.12.0 (66)
- Updated
- Apr 7, 2026 (6 months ago)
- APK size
- 2.4 MB
- Requires
- Android 4.1+ (API 16)
- CPU support
- Any (no native code)
- Category
- Tools (app)
- Listed since
- Apr 7, 2021 (at least)
- Permissions
- 2
- Developer contact
- [email protected]
About this APK
Group Calculator is an app by Dieter Thiess in the Tools category, listed since at least April 2021. It has no native code, so it runs on any Android processor.
It asks for 2 permissions, none of them sensitive.
Description
From the listing uploaded by “appupdater”.
Security & authenticity
Signing certificate
- Signature matches the Google Play version Checked by the source store on Apr 7, 2026.
- Certificate issued to “Dieter Thiess” This is the certificate of the Google Play version.
Store checks and file details
- Developer signature verified Apr 7, 2026
- Validated against Google Play Apr 7, 2026
- Signed byCN=Dieter Thiess, L=Düsseldorf, ST=NRW, C=DE
- Signing certificate (SHA-1)B8:C6:3B:1E:67:DE:A3:39:47:C2:B6:D7:7F:E1:7E:88:10:36:1D:28
- File MD5904c905f517f72573ef7be88e9fd5068
- 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 (2)
Group Calculator requests 2 permissions, none of them sensitive.
- Internal broadcast protection (app-defined) de.dieterthiess.groupcalculator.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION
- Usb permission android.permission.USB_PERMISSION
Group Calculator 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 Group Calculator 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 904c905f517f72573ef7be88e9fd5068.
