🧠 Cognitive Training for iOS and Android

Train Your Working Memory with the N-Back Task

Mindback is a scientifically-grounded cognitive training app with 4 game modes, 230+ stimulus combinations, and complete privacy. All your data stays on your device. No account creation needed.

Game Modes Preview 1
Game Modes Preview 2

4 Game Modes, 230+ Combinations

From Single to Quad N-Back β€” challenge yourself with progressively complex working memory tasks across visual, auditory, and spatial stimuli.

Single & Dual

Single and Dual N-Back with customizable grid layouts and stimulus types.

Triple & Quad

Triple and Quad modes for advanced cognitive training with up to 4 streams.

Stimuli

Choose from numbers, letters, shapes, colors, and sound-based stimuli.

Difficulty

Automatic difficulty progression adapts to your performance level.

Track Your Progress

Monitor your cognitive training journey with detailed session history, daily goals, and performance insights that keep you motivated.

Session history

Complete session history with N-back level, task type, and per-stream scores.

Daily goals

Set and track daily training goals to build consistent cognitive habits.

Auto scaling

Auto-scaling difficulty adjusts N-back level based on your accuracy.

Results modal

End-of-session results modal with detailed correct, missed, and incorrect counts.

Progress Dashboard 1
Progress Dashboard 2
Privacy & Security 1
Privacy & Security 2

Privacy First, Your Data Stays Local

No servers. No tracking. No data collection. Everything stays on your device β€” delete by simply uninstalling the app.

Local storage

All data stored locally using an embedded SQLite database on your device.

No servers

We operate no servers and maintain no external databases whatsoever.

Offline play

Works completely offline. Train anywhere, anytime β€” no active internet connection required.

Encrypted

Your preferences are persisted using encrypted local storage on-device.

Explore Every Game Mode

All modes available to every user. Choose your challenge β€” from single-stream focus to quad-stream cognitive overload.

1Γ—

Single N-Back

Track one stimulus stream. Choose from visual numbers, letters, shapes, colors, or audio playback.

6 options
2Γ—

Dual N-Back

Two simultaneous streams β€” combine grid positions with sounds, visuals, or pair two visual types.

51 options
3Γ—

Triple N-Back

Three independent streams across 7 families. Position + audio + visual, triple visuals, and more.

66 options
4Γ—

Quad N-Back

The ultimate challenge β€” four streams tracked simultaneously. Push your working memory to the limit.

110 options
Numbers Letters Shapes Colors Audio 1Γ—3 Grid 3Γ—3 Grid Calendar Streak

Simple, Fair Pricing

All game modes. All stimuli types. Free users play 3 sessions per day. Premium unlocks unlimited training.

Free

$0

forever

Get Mindback

Play 100% offline β€” no internet needed

All 4 game modes (Single β†’ Quad)

All 230+ stimulus combinations

Visual, audio & grid stimuli

Session history & daily goals

Auto difficulty scaling

100% private β€” data on device

iCloud sync across devices

Advanced per-stream statistics

3 sessions per day

Frequently Asked Questions