
At a glance
- Latest version
- v25070121 (25070121)
- Updated
- Jan 5, 2026 (9 months ago)
- APK size
- 4.3 MB
- Requires
- Android 4.0+ (API 14)
- CPU support
- Any (no native code)
- Category
- Education (app)
- Listed since
- Apr 24, 2021 (at least)
- Permissions
- 5
- Website
- praksto.com
- Developer contact
- [email protected]
- Privacy
- Developer's privacy policy
About this APK
Logarithm Log Ln Base e, Base is an app by PRAKSTO in the Education category, listed since at least April 2021. It has no native code, so it runs on any Android processor.
Since version 1.20, the minimum Android version rose from 2.3 to 4.0. It asks for 5 permissions, none of them sensitive. It asks for the same permissions as version 24122210. The app can read the advertising ID that ad and analytics services use.
What's new in v25070121
Description
From the listing uploaded by “appupdater”.
Version history
3 versions are listed, going back to v1.20. Since v24122210 it requires Android 4.0+.
Security & authenticity
Signing certificate
- Signature matches the Google Play version Checked by the source store on Jan 5, 2026.
- Certificate issued to “PRAKSTO” 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 Jan 5, 2026
- Validated against Google Play Jan 5, 2026
- Signed byCN=AndrzejK, O=PRAKSTO, C=PL
- Signing certificate (SHA-1)0E:70:6F:2F:16:D3:E6:3C:AA:D8:2B:D0:96:DE:56:8A:30:FF:E5:B6
- File MD51dd94b7b5527d0831f2645b2ee5c43e7
- 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 (2 other versions compared). AAPKs doesn't scan files itself — compare the MD5 and signer after downloading.
Permissions (5)
Logarithm Log Ln Base e, Base requests 5 permissions, none of them sensitive.
- Advertising ID com.google.android.gms.permission.AD_ID
- Full network access android.permission.INTERNET
- Run foreground services android.permission.FOREGROUND_SERVICE
- View Wi-Fi connections android.permission.ACCESS_WIFI_STATE
- View network connections android.permission.ACCESS_NETWORK_STATE
Required hardware & features
- Basic touch input android.hardware.faketouch
- Portrait screen android.hardware.screen.portrait
- Wi-Fi android.hardware.wifi
Logarithm Log Ln Base e, Base APK: questions and answers
Is there a version of Logarithm Log Ln Base e, Base for older Android phones?
The current version needs Android 4.0 or later. Version 1.20 is the newest listed build that installs on Android 2.3 and later. It is an old build: apps that rely on online services may no longer connect when they are this old. Get version 1.20 · 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 Logarithm Log Ln Base e, Base 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 1dd94b7b5527d0831f2645b2ee5c43e7.