# Octothink: Brain Training

> Train your brain with logic puzzles & mind games for memory, logic & speed!

Canonical page: [https://chrome-stats.com/d/com.absolutelydigital.octothink](https://chrome-stats.com/d/com.absolutelydigital.octothink)

## Overview

- **ID:** `com.absolutelydigital.octothink`
- **Platform:** Android
- **Type:** Android app
- **Status:** Available
- **Publisher:** Absolutely Digital
- **Category:** GAME\_EDUCATIONAL
- **Downloads:** 332,921
- **Rating:** 3.74 / 5 (769 ratings)
- **Version:** 3.16.6
- **Last updated:** 2026-05-11
- **First published:** 2020-01-07
- **Publisher country:** AE
- **Size:** 137 MB
- **Data as of:** 2026-09-11
- **Store listing:** [Google Play Store](https://play.google.com/store/apps/details?id=com.absolutelydigital.octothink)
- **Website:** [https://octothink.com](https://octothink.com/)
- **Privacy policy:** [https://octothink.com/privacy-policy/en](https://octothink.com/privacy-policy/en)

## Description

**Octothink: Brain Training** is a daily brain gym with 23+ puzzles and mind games designed to improve memory, logic, attention, processing speed, math skills, and multitasking. Play logic puzzles, memory games, reaction speed tests, math challenges, and creative brain teasers that adapt to your level and make training fun and effective.

Track your progress with an intuitive dashboard, maintain streaks, and compete on global leaderboards. Ideal for students, professionals, and anyone seeking sharper focus or better mental fitness. Short daily workouts fit any schedule — start training your brain anytime and see measurable improvement.

## Rankings

- #123,451 — Overall

## Permissions and access

### Permissions

- `android.permission.ACCESS_NETWORK_STATE`
- `android.permission.ACCESS_WIFI_STATE`
- `android.permission.FOREGROUND_SERVICE`
- `android.permission.FOREGROUND_SERVICE_DATA_SYNC`
- `android.permission.INTERNET`
- `android.permission.POST_NOTIFICATIONS`
- `android.permission.READ_EXTERNAL_STORAGE`
- `android.permission.READ_MEDIA_AUDIO`
- `android.permission.VIBRATE`
- `android.permission.WAKE_LOCK`
- `android.permission.WRITE_EXTERNAL_STORAGE`
- `com.absolutelydigital.octothink.permission.C2D_MESSAGE`
- `com.android.vending.BILLING`
- `com.android.vending.CHECK_LICENSE`
- `com.google.android.c2dm.permission.RECEIVE`
- `com.google.android.finsky.permission.BIND_GET_INSTALL_REFERRER_SERVICE`
- `com.google.android.gms.permission.AD_ID`

## Review summary

Users praise Octothink for clean visuals, smooth gameplay, and strong UX, with an engaging brain-training experience. However, recurring issues include heavy paid subscriptions, login/verification problems, bugs and loading freezes, and data-collection concerns. The app shows cognitive-training potential but needs onboarding, stability, and pricing fixes to improve ratings.

### Pros

- Clean graphics and smooth gameplay
- Excellent UX and visually appealing design
- Engaging, addictive brain-training experience
- Positive overall quality and reception
- Helps keep the brain focused during training

### Cons

- Paywall and subscription pricing blocks access
- Sign-in/verification problems and account setup friction
- Frequent bugs and glitches, including loading screens and game-specific issues
- Persistent loading/registration freezes
- Privacy concerns about data collection

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