# CogScroll: Brain Training

> Minimalist brain training games for memory, focus & speed. No subscription.

Canonical page: [https://chrome-stats.com/d/com.stuartbradley.cogscroll](https://chrome-stats.com/d/com.stuartbradley.cogscroll)

## Overview

- **ID:** `com.stuartbradley.cogscroll`
- **Platform:** Android
- **Type:** Android app
- **Status:** Available
- **Publisher:** Stuart Bradley
- **Category:** EDUCATION
- **Downloads:** 56
- **Version:** 1.8.0
- **Last updated:** 2026-08-31
- **First published:** 2026-07-06
- **Publisher country:** GB
- **Size:** 21 MB
- **Data as of:** 2026-09-13
- **Store listing:** [Google Play Store](https://play.google.com/store/apps/details?id=com.stuartbradley.cogscroll)
- **Privacy policy:** [https://stuart-bradley.github.io/policies/cogscroll/](https://stuart-bradley.github.io/policies/cogscroll/)

## Description

CogScroll is a calm, minimalist brain training app: nine quick games across six areas of thinking. Working memory, processing speed, attention, mental flexibility, spatial reasoning, and sustained attention. Pure black and white, no clutter, no nonsense.<br><br>A short daily set adapts to focus on the areas where your scores are lowest, and a six-spoke radar tracks your own trajectory over time. A few focused minutes a day, not an endless feed.<br><br>The Games<br><br>• Reaction, Go/No-Go, Flanker: processing speed and attention<br>• N-Back, Digit Span, Corsi: working and spatial memory<br>• Stroop, Task-Switch, Trails: inhibition and mental flexibility<br><br>Free for 28 Days, Then a One-Time £4 Unlock<br><br>Try everything free for 28 days. After that, a single £4 purchase keeps the whole app forever: no subscription, no ads, ever. The purchase restores automatically on a new device.<br><br>No Subscription, No Nonsense<br><br>Most brain training apps lock you into a recurring subscription. CogScroll does not. You pay once and keep it for life. No login, no upsells, no pressure to come back.<br><br>Privacy: No Data Harvesting<br><br>CogScroll has no developer backend. We do not collect, harvest, or sell your data: no analytics, no tracking, no ads. Your scores and settings live on your device. If you choose, Android&#39;s standard backup can sync them to your own Google Drive, which we cannot access. The £4 unlock is handled by Google Play, so we never see your payment details.

## Rankings

- #2,210,461 — Overall

## Permissions and access

### Permissions

- `android.permission.ACCESS_NETWORK_STATE`
- `android.permission.INTERNET`
- `android.permission.POST_NOTIFICATIONS`
- `android.permission.RECEIVE_BOOT_COMPLETED`
- `android.permission.VIBRATE`
- `com.android.vending.BILLING`
- `com.android.vending.CHECK_LICENSE`
- `com.stuartbradley.cogscroll.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION`

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