RefleX : Brain Speed Test

8 brain tests, one RefleX Age. Beat your best, top the leaderboards, and challenge friends. How fast is your brain today?

How fast is your brain? Test your speed, memory, and focus across 8 cognitive challenges and find out your RefleX Age.

8 BRAIN TESTS • Target Tap: tap targets as fast as you can • Color Reaction: react the moment the screen changes • 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 8 tests back to back for one overall RefleX Age. The ultimate measure of your mind's speed.

COMPETE & CHALLENGE • 9 Game Center leaderboards, including a combined Overall Brain Age board • 9 achievements to unlock • 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 • Personal best alerts the moment you beat your record • Real percentile ranking, pulled from the leaderboards • A fresh daily challenge every morning

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 support • 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.