
Exponent Calculator
Calculate powers, roots and fractional exponents easily
Georg Kiefer · an.ExpoCal
- Same certificate as v23.8.2, which matches Google Play Details
At a glance
- Latest version
- v26.5 (54)
- Updated
- Jul 27, 2026 (2 months ago)
- APK size
- 1.2 MB
- Requires
- Android 5.0+ (API 21)
- CPU support
- Any (no native code)
- Category
- Tools (app)
- Listed since
- Jan 23, 2020 (at least)
- Permissions
- 4
- Website
- bit.ly/gk-apps
- Developer contact
- [email protected]
- Privacy
- Developer's privacy policy
About this APK
Exponent Calculator is an app by Georg Kiefer in the Tools category, listed since at least January 2020. It has no native code, so it runs on any Android processor.
Since version 23.8, the APK grew from 673.7 KB to 1.2 MB and the minimum Android version rose from 4.1 to 5.0. It asks for 4 permissions, none of them sensitive. It asks for the same permissions as version 25.8. The app can read the advertising ID that ad and analytics services use.
What's new in v26.5
Description
From the listing uploaded by “catappult”.
Version history
4 versions are listed, going back to v23.8. Since v25.8 it requires Android 5.0+.
Security & authenticity
Signing certificate
- Certificate issued to “Georg Kiefer” This is the certificate of the Google Play version.
- Same certificate as v23.8.2, which matches Google Play v23.8.2
Store checks and file details
- Developer signature verified May 28, 2026
- Signed byCN=Georg Kiefer, L=Koblenz, ST=Germany, C=DE
- Signing certificate (SHA-1)75:C9:81:67:02:93:40:62:AE:2C:C2:9B:5F:B5:47:43:3B:A7:F0:52
- File MD52a857cac7f5086981c9963d99d10150d
- 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 (4)
Exponent Calculator requests 4 permissions, none of them sensitive.
- Advertising ID com.google.android.gms.permission.AD_ID
- Full network access android.permission.INTERNET
- Google Play install referrer com.google.android.finsky.permission.BIND_GET_INSTALL_REFERRER_SERVICE
- View network connections android.permission.ACCESS_NETWORK_STATE
Required hardware & features
- Basic touch input android.hardware.faketouch
Exponent Calculator APK: questions and answers
Is there a version of Exponent Calculator for older Android phones?
The current version needs Android 5.0 or later. Version 23.8.2 is the newest listed build that installs on Android 4.4 and later. Get version 23.8.2 · All versions
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 Exponent 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. It is signed with the same certificate as version 23.8.2, whose signature matches the Google Play version. After downloading, check that the file's MD5 is 2a857cac7f5086981c9963d99d10150d.