# BrainExp

> Improving arithmetic skills and spelling of the Russian language

Canonical page: [https://chrome-stats.com/d/ru.graf8787.checkmath](https://chrome-stats.com/d/ru.graf8787.checkmath)

## Overview

- **ID:** `ru.graf8787.checkmath`
- **Platform:** Android
- **Type:** Android app
- **Status:** Available
- **Publisher:** graf8787
- **Category:** EDUCATION
- **Downloads:** 8
- **Version:** 1.0.17
- **Last updated:** 2026-06-15
- **First published:** 2024-12-05
- **Publisher country:** RU
- **Size:** 47 MB
- **Data as of:** 2026-09-19
- **Store listing:** [Google Play Store](https://play.google.com/store/apps/details?id=ru.graf8787.checkmath)
- **Privacy policy:** [https://gitlab.com/graf8787/graf8787\_privacy\_policy.md/-/raw/main/privacy\_policy.md](https://gitlab.com/graf8787/graf8787_privacy_policy.md/-/raw/main/privacy_policy.md)

## Description

An application for improving arithmetic and spelling skills in Russian. I did it for my son. Overall, it helped, but he wasn't too happy about using it

## Rankings

- #2,872,150 — Overall

## Permissions and access

### Permissions

- `android.permission.READ_EXTERNAL_STORAGE`
- `android.permission.WRITE_EXTERNAL_STORAGE`
- `ru.graf8787.checkmath.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION`

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Source: [Chrome-Stats](https://chrome-stats.com/d/ru.graf8787.checkmath)