# Number Master: Brain Training

> Fun logic & math games to train your brain and boost calculation speed

Canonical page: [https://chrome-stats.com/d/com.convinientlab.numbermaster](https://chrome-stats.com/d/com.convinientlab.numbermaster)

## Overview

- **ID:** `com.convinientlab.numbermaster`
- **Platform:** Android
- **Type:** Android app
- **Status:** Available
- **Publisher:** Kido Apps
- **Category:** GAME\_PUZZLE
- **Downloads:** 28,184
- **Version:** 1.0.17
- **Last updated:** 2026-02-27
- **First published:** 2025-10-07
- **Publisher country:** VN
- **Size:** 37 MB
- **Data as of:** 2026-09-14
- **Store listing:** [Google Play Store](https://play.google.com/store/apps/details?id=com.convinientlab.numbermaster)
- **Website:** [https://biroyalapps.blogspot.com/app-ads.txt](https://biroyalapps.blogspot.com/app-ads.txt)
- **Privacy policy:** [https://www.termsfeed.com/live/dbf22ad6-ec74-44d3-b10a-4bacd56172da](https://www.termsfeed.com/live/dbf22ad6-ec74-44d3-b10a-4bacd56172da)

## Description

Number Master: Brain Training is a comprehensive brain gym with 8+ unique modes designed to sharpen your mind and boost logical thinking. Core experiences include rapid-fire arithmetic challenges in Battle Arena, Sudoku with Easy to Hard levels, Make 10, Connect Sums, Order Nine, Speed Math, Number Rain, and classic Number Tower/2048/Target Sum puzzles, each targeting a specific math or logic skill. This diverse collection challenges speed, accuracy, memory, and strategic thinking across varied gameplay styles.

Key features include a wide puzzle lineup, a Fibonacci bonus system to boost competition, automatic high-score tracking for every mode, Dark Mode for comfortable play in low light, relaxing background music to aid focus, and multilingual support. Download Number Master today to push your mental capacity and become a true Math Master.

## Rankings

- #379,293 — Overall

## Permissions and access

### Permissions

- `android.permission.ACCESS_ADSERVICES_AD_ID`
- `android.permission.ACCESS_ADSERVICES_ATTRIBUTION`
- `android.permission.ACCESS_ADSERVICES_TOPICS`
- `android.permission.ACCESS_NETWORK_STATE`
- `android.permission.FOREGROUND_SERVICE`
- `android.permission.INTERNET`
- `android.permission.WAKE_LOCK`
- `com.android.vending.BILLING`
- `com.android.vending.CHECK_LICENSE`
- `com.convinientlab.numbermaster.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION`
- `com.google.android.finsky.permission.BIND_GET_INSTALL_REFERRER_SERVICE`
- `com.google.android.gms.permission.AD_ID`
- `com.google.android.providers.gsf.permission.READ_GSERVICES`

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Source: [Chrome-Stats](https://chrome-stats.com/d/com.convinientlab.numbermaster)