
Reaction: Brain Training
Train focus, memory & speed
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Free
About
Reaction is a brain-training app built on one simple idea: a few focused minutes a day make your mind faster and sharper.
11 quick games, each under a minute:
• Reaction — tap the instant the screen turns green
• Aim — pop targets as fast as you can
• Memory — repeat a growing pattern
• Focus — name the ink colour, ignore the word
• Digit Span — memorise and recall number sequences
• Tracking — keep your finger on a moving target
• Quick Math — solve as many problems as you can in 30s
• N-Back — the classic working-memory challenge
• Rotation — spot the rotated shape among the mirror images
• Schulte — find 1 to 32 in order, against the clock
• More or Less — snap-judge which side has more
Build a daily habit:
• Daily Challenge — a new game picked for you every day
• Streak — play each day to keep your streak alive, with a gentle reminder so you never miss
• Results & Mind Profile — every score feeds a skill rating across Reaction Speed, Visual Attention, Working Memory, Processing Speed, Spatial Reasoning and Motor Control. Watch yourself improve over time.
Why you'll love it:
• Fast — sessions take seconds, perfect for a coffee break
• Private — no account, no sign-up; everything stays on your device
• Offline — works anywhere, no internet needed
• No ads interrupting your focus
Train your reaction, memory, focus and processing speed — and feel good about doing something for your mind every single day.
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What's New in Reaction
1.0.1
July 9, 2026
What's new in 1.0.1 • Game Center leaderboards! Compete globally and with your friends. • New Overall leaderboard — your best scores across all 11 games combined into a single rank. • A leaderboard for every game, so you can see where you stand on each one. • Check the rankings anytime from the Results screen. Train daily and climb the ranks!
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