RefleX : Brain Speed Test

New: weekly leaderboards that reset every Monday, daily challenge twists, a streak shield, and your Sunday brain recap.

How fast is your brain? Test your speed, memory, and focus across 10 cognitive challenges and find out your RefleX Age.

10 BRAIN TESTS • Target Tap: tap targets as fast as you can • Color Reaction: react the moment the screen changes • Go / No-Go: tap on green, hold on red (impulse control) • Number Order: tap 1 to 25 in a shuffled grid, fast • Math Speed: solve arithmetic under pressure • Stroop Test: name the color, not the word • Sequence Memory: repeat growing tile patterns • Chimp Test: memorize numbers, tap in order • Visual Memory: recall the highlighted squares • Word Memory: seen or new? Test your recall

THE GAUNTLET Take all 10 tests back to back for one overall RefleX Age. The ultimate measure of your mind's speed.

COMPETE & CHALLENGE • 22 Game Center leaderboards, including weekly boards that reset every Monday • 9 achievements to unlock, with an in-app progress tracker • Challenge your friends to beat your score • Daily challenges with streaks, milestones, and reminders so you never lose your run

SMARTER RESULTS • A RefleX Age score after every test • A rolling 10-game average, so your score stays steady and honest • Personal best alerts the moment you beat your record • Real percentile ranking, pulled from the leaderboards • An activity heatmap and personal records in your history

HANDS-FREE • Ask Siri "What's my RefleX Age?" • Jump into today's challenge from Shortcuts or Spotlight • Home Screen and Lock Screen widgets for your streak and trend

BUILT FOR EVERYONE • Color Blind Mode with shape cues • Reduce Motion and full Dynamic Type support • Pause Sequence, Chimp, and Visual Memory when life interrupts • Larger, clearer results

No sign-up. No account. Just open and play. Works offline too.

Free to play with ads. Watch one short video for 24 hours ad-free, or Remove Ads Forever with a one-time purchase (Family Shareable).

Think you're quick? Prove it.