Math Mind

Stimulate your brain with mental arithmetic

roaming squirrel · com.roamingsquirrel.android.mentalmath

Not rated yet 10K+ downloads v1.0.6 7.7 MB Android 7.0+ PEGI 3 · Everyone

Download APK 7.7 MB All versions

Signature matches the Google Play version Details

At a glance

Latest version: v1.0.6 (8)
Updated: Aug 2, 2026 (2 months ago)
APK size: 7.7 MB
Requires: Android 7.0+ (API 24)
CPU support: Any (no native code)
Category: Education (app)
Permissions: 10
Website: roamingsquirrel.com
Developer contact: [email protected]

About this APK

Math Mind is an app by roaming squirrel in the Education category. It has no native code, so it runs on any Android processor.

Since version 1.0.4, the APK grew from 3.7 MB to 7.7 MB and the minimum Android version rose from 5.0 to 7.0. It asks for 10 permissions, none of them sensitive. It asks for the same permissions as version 1.0.5. The app can read the advertising ID that ad and analytics services use.

What's new in v1.0.6

* updated for new versions of Android

Description

From the listing uploaded by “appupdater”.

Practicising mental arithmetic can sharpen up your thinking ability by making use of one of the most powerful computers in the world - i.e. the one between your ears! In order to become a Math Mind Wizard, it is recommended that this application is used as follows: ● Master the multiplication times tables ● Study the Mental Arithmetic Tips ● Practice the Training Exercises ● Take the Math Mind Challenge There are 12 levels in the Math Mind Challenge - each set of mental calculations contains 10 questions - answer all questions correctly and proceed to the next level - if 9 are answered correctly will remain at the current level - answering less than 9 correctly causes a drop in level - how quickly can you get to level 12? - how long can you stay there? - a full history is provided showing your attempts at each level. This is an ad-supported app - an ad-free paid version is also available for a nominal USD 0.99 but, as always, it's probably best to test the free version first before parting with your hard-earned cash :) - to download, please search for Math Mind (adfree)

Version history

3 versions are listed, going back to v1.0.4. Since v1.0.5 it requires Android 7.0+.

v1.0.6 LATEST Aug 2, 2026 7.7 MB TRUSTED v1.0.5 Jan 16, 2026 7.1 MB TRUSTED v1.0.4 Aug 29, 2023 3.7 MB TRUSTED

All 3 versions

Security & authenticity

Security rating: Trusted

Signing certificate

Signature matches the Google Play version Checked by the source store on Aug 2, 2026.
Certificate issued to “roamingsquirrel” 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 Aug 2, 2026
Validated against Google Play Aug 2, 2026
Signed byCN=Tony Noon, OU=android, O=roamingsquirrel, L=Taipei, ST=Taipei City, C=TW
Signing certificate (SHA-1)3F:66:45:A4:56:0A:25:C8:D6:69:93:AB:44:E3:D4:8C:D4:16:04:B4
File MD5306186a10a0e8cff166665265cbc83ca
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 (10)

Math Mind requests 10 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
Control vibration android.permission.VIBRATE
Full network access android.permission.INTERNET
Internal broadcast protection (app-defined) com.roamingsquirrel.android.mentalmath.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION
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

Math Mind APK: questions and answers

Is there a version of Math Mind for older Android phones?

The current version needs Android 7.0 or later. Version 1.0.4 is the newest listed build that installs on Android 5.0 and later. It is an old build: apps that rely on online services may no longer connect when they are this old. Get version 1.0.4 · 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 Math Mind 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 306186a10a0e8cff166665265cbc83ca.