Call it brainrot: that feeling after an hour of short videos, when a single thought won't stay put. Your attention isn't broken — it's just out of practice. This is the gym for it. Brainrot is a focused N-Back trainer — brain games for memory and concentration, built on one of the most widely used working-memory tasks in cognitive science research. No feeds, no ads, no dopamine slot machine — just you and one demanding task, one rep at a time. HOW IT WORKS You watch a stream of stimuli and respond when the current one matches what appeared N steps earlier. In 2-back, you match the item from two steps ago. Simple to learn, genuinely demanding to hold — and that gap is where working memory gets trained. ONE TASK, ENDLESS DEPTH • Single, Dual, Triple, and Quad N-Back (1 to 4 streams at once) • Stimuli: numbers, letters, sounds, shapes, colors, grid cell position • N from 1 to 7, on a 1x3 or 3x3 grid • Mix visual and audio streams freely — 230+ combinations • Optional auto-adjust: N rises or drops by thresholds you set • Two separate audio streams at once, one per ear — put your headphones on for a true dual-sound challenge • A How to Play guide for every mode ON MAC, IPAD AND IPHONE — BUILT FOR THE KEYBOARD • Runs on Mac, iPad, and iPhone — train on the big screen at your desk • Full hardware-keyboard play on iPad and Mac: press Space to start or stop, and H / J / K / L to answer each stream • A built-in Keyboard Shortcuts guide keeps every key one glance away • Ideal for fast, heads-down Quad sessions — hands on the keys, eyes on the streams TRACK REAL PROGRESS • Per-stream scoring: correct, missed, incorrect • Instant feedback on every press, with optional haptics on a wrong match • Session results after every round • Current and best streak, on a training calendar • Full training history, with the accuracy of every session BUILT TO RESPECT YOUR FOCUS • Zero ads. Ever. • Clean, distraction-free interface • Light, dark, and auto themes • Training history synced via iCloud across your Apple devices; settings restored on a new install • Available in 12 languages • Portrait and landscape on iPad FREE AND PREMIUM • Free: 3 sessions every day (an internet connection is needed to start them) • Premium: unlimited sessions, a daily session goal, and fully offline training THE HONEST PART N-Back is real cognitive training, not a magic pill. We don't promise IQ points or medical outcomes. It's a serious, well-built tool — the results come from showing up and doing the reps. Put the phone to work for once. Start with Single N-Back, then build toward Quad at your pace. Missing a feature? Write to me from Settings in the app. Focus is a skill. Train it. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Education · iPhone, iPad, Android · Free
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