RefleX: Reaction Time Test

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.