40 Seconds Math v1.1.3
APK · 3.9 MB · version code 8 · Android 4.0+ · uploaded Apr 15, 2020
- Same certificate as v2.0.0, which matches Google Play Details
Quick check before downloading
Answer this to unlock the download. It keeps automated downloaders away.
Compared with the latest version
The latest version is v2.0.0, uploaded Oct 31, 2024 — about 4 years after this one.
- Size: this file is 3.9 MB; the latest is 5.6 MB (1.7 MB larger).
- Android: this version needs Android 4.0+; the latest needs Android 5.1+. Use this one if your device runs an older Android release.
- The latest version asks for 4 more permissions: Run foreground services, Run at startup, Prevent the device from sleeping, Advertising ID.
- The latest version no longer asks for: Context write use app feature survey (custom).
File information
- Version
- v1.1.3 (8)
- Uploaded
- Apr 15, 2020
- Size
- 3.9 MB
- Requires
- Android 4.0+ (API 14)
- CPU support
- Any (no native code)
- Screen
- Small screens and larger
- MD5
- 9e7075a7f94a5a6266c879d565867b3f
- Signing certificate (SHA-1)
- 99:A7:BB:1E:B3:5A:3C:32:7B:10:64:39:0D:06:38:40:8F:3F:BE:DE
- Signed by
- CN=LondonNut
- File name
- com-mentalmath-game-8-51300535-9e7075a7f94a5a6266c879d565867b3f.apk
- Package
- com.mentalmath.game
- Downloads (all versions)
- 320
- Age rating
- PEGI 3 · Everyone
What's new in v1.1.3
Quick Mental Math - test your mental arithmetic!
Permissions (3)
This version requests 3 permissions, none of them sensitive.
- Context write use app feature survey (custom) com.samsung.android.providers.context.permission.WRITE_USE_APP_FEATURE_SURVEY
- Full network access android.permission.INTERNET
- View network connections android.permission.ACCESS_NETWORK_STATE
Security & authenticity
Security rating: Trusted
Signing certificate
- Certificate issued to “LondonNut” This is the certificate of the Google Play version.
- Same certificate as v2.0.0, which matches Google Play v2.0.0
Store checks
- Developer signature verified Apr 15, 2020
- Antivirus scan passed Sep 13, 2020
- Uploaded by “catappult” Platinum tier · 1,377 followers · uploading since 2018
Scans come from the source store; the certificate comparisons are AAPKs's own, made from the files' published signatures (1 other version compared). AAPKs doesn't scan files itself.
How to install 40 Seconds Math on Android 4.0+
You'll need about 7.8 MB of free space.
- Download the APK — tap Download APK above (3.9 MB). Chrome shows “File might be harmful” for every APK file; choose Download anyway only if you trust this file.
- Open the file — tap the download notification, or open Files › Downloads and tap com-mentalmath-game-8-51300535-9e7075a7f94a5a6266c879d565867b3f.apk.
- Allow the install (first time only) — Android 8 and later asks for permission the first time an app opens an APK: tap Settings in the prompt, turn on Allow from this source, then go back. Manual path: Settings › Apps › Special app access › Install unknown apps (on Samsung: Settings › Apps › ⋮ › Special access). On Android 7 and older: Settings › Security › Unknown sources.
- Check the file (optional) — the MD5 of the downloaded file should be 9e7075a7f94a5a6266c879d565867b3f. If it differs, the file is damaged or was changed: delete it and download again.
- Tap Install — Android asks “Do you want to install this app?”. If Google Play Protect shows a warning, read it before you continue: the source store rated this file Trusted, but only install apps from sources you trust. If an earlier version is installed, this one only installs as an update when it is signed with the same certificate (SHA-1 shown above).
- Open 40 Seconds Math — tap Open on the install screen, or find it in your app drawer.
Common install problems
- “App not installed” — a version signed with a different certificate, or a newer version, is already installed (Android doesn't allow downgrades). Uninstall it first; back up your data, because uninstalling deletes it.
- “There was a problem parsing the package” — the file is incomplete, or your Android is too old (this version needs Android 4.0+). Download it again, or pick an older version.
- Blocked by Play Protect — Play Protect checks apps from outside the Play Store. Only continue if you trust the source.