Reaction Time vs 4 Dots Test

Find out how fast you react when a visual cue appears, a sound plays, or your device vibrates without warning. Explore 34 focused tests, training activities, and fast arcade games that combine reaction time, quick choices, precision, memory, timing, and taps per second in short sessions you can replay to chase your own best. Every completed session gives you clear results, so you can understand your current performance and come back to challenge it again. TEST YOUR REACTIONS • Included without an unlock: visual and choice reaction tests • Separate access required: audio, haptic, Go / No-Go, peripheral vision, aim tap, and CPS speed. Watch one rewarded ad to unlock one selected test for 24 hours, or unlock it permanently with Pro • Results such as reaction time, accuracy, mistakes, hits, and taps per second PRACTICE WITH FOCUSED TRAINING • Included without an unlock: Schulte Table, Stroop, and start lights • The other 9 activities require separate access: direction choice, number sorting, moving targets, precision tapping, memory flash, rule switching, visual tracking, distractor targets, and rhythm tapping. Watch one rewarded ad to unlock one selected activity for 24 hours, or unlock it permanently with Pro • Short sessions built around timing, focus, memory, precision, and hand-eye coordination PLAY AND CHASE HIGH SCORES • Included without an unlock: DiskDash and CornerCross • The other 12 arcade games, including SquarePass, require separate access. Watch one rewarded ad to unlock one selected game for 24 hours, or unlock it permanently with Pro • Simple controls, quick restarts, and different timing patterns to master PRO PROGRESS FEATURES • The one-time Pro in-app purchase is required for full statistics, including personal bests, recent results, all-time activity history, and performance trends • Pro is required for Game Center leaderboards Seven activities are included without an unlock. For the other 27, each completed rewarded ad unlocks one selected activity for 24 hours. The separate one-time Pro in-app purchase permanently unlocks all 34 activities, removes ads, and includes full statistics and Game Center leaderboards. No subscription.

4 Dots Test is a digital version of the classic Group Bourdon Dot Cancellation Test—a well-established psychometric assessment used to measure concentration, sustained attention, and visual scanning ability. How It Works You’ll be presented with a grid containing groups of 3, 4, or 5 dots. Your objective is to identify and mark every group containing exactly 4 dots as quickly and accurately as possible. The test takes just 2 minutes to complete. What It Measures * Sustained attention * Concentration * Visual scanning speed * Accuracy under timed conditions * Cognitive processing efficiency Free Features * Complete the full 2-minute test * Receive your Net Score * See your overall performance rating * Unlimited practice Upgrade to Pro Unlock detailed performance analytics, including: * Accuracy Percentage * Grid Coverage * Correct Targets * Errors * Missed Targets * Personalised performance insights * Additional test banks for continued practice Whether you’re preparing for a psychometric assessment, training your concentration, or simply curious about your attention skills, 4 Dots Test provides a fast, reliable assessment in just two minutes.