# CogniTrack: Reaction Time Test — Track And Stay Sharp! > Scientifically validated reaction time test to track mental alertness and cognitive performance. (iPhone/iPad app by Diffuse Thinking LLC.) - Source: https://appshunter.io/ios/app/cognitrack-reaction-time-test/id6760599542 (this page in markdown: same URL + `.md`) - Developer: [Diffuse Thinking LLC](https://appshunter.io/developer/1692715488) - Category: Health & Fitness - Price: Free - Rating: 5.00/5 from 2 App Store ratings - Age rating: 4+ - Requires: iOS 17.0 · 3 MB - Languages: American English - Released: 2026-03-22 - Data updated: 2026-08-17 - Monetization: free - User reviews in markdown: https://appshunter.io/ios/app/cognitrack-reaction-time-test/id6760599542/reviews.md ## What is CogniTrack? Ever wonder whether your mind is as sharp as usual — or if fatigue is quietly slowing you down? CogniTrack gives you an objective answer. Using a scientifically validated reaction time test, you can measure your mental alertness in under a minute and track how it changes throughout the day. HOW IT WORKS When a visual cue appears on screen, tap as fast as you can. Your reaction times reveal how alert and focused you are in the moment — no guesswork, no subjective ratings. The test is powered by the Psychomotor Vigilance Test (PVT), the same method used by NASA, the US military, and sleep researchers worldwide to assess sustained attention and fatigue. SET YOUR PERSONAL BASELINE Start by taking a 10-trial baseline test when you're fully rested — ideally first thing in the morning. This establishes your personal "best" reaction time as a reference point. Then use quick 6-trial checks throughout the day to see how you compare. Are you still sharp after lunch? How about late in the evening? After that extra cup of coffee? Now you'll know for sure. WHAT YOU'LL DISCOVER • How sleep quality affects your next-day performance • The real cognitive cost of staying up late • Whether caffeine, naps, or breaks actually help • Your personal alertness patterns over days and weeks FEATURES • Quick Check — A fast 6-trial test you can do in under 30 seconds • Personal Baseline — Establish and update your rested reference point • Trend Charts — Visualize your alertness patterns over 7, 30, 90 days, or all time • Performance Ratings — Instantly see if you're performing at Superb, Good, Sluggish, or Impaired levels relative to your baseline • Full History — Browse, search, and review every test you've taken • Guest Mode — Let friends or family take a test on your device without affecting your data • Data Export & Import — Back up your records as JSON whenever you want • Privacy First — All data stays on your device. No accounts, no cloud, no tracking. BUILT FOR SELF-AWARENESS CogniTrack is not a game — it's a personal wellness tool designed to help you build self-awareness about your cognitive performance. By making mental alertness measurable, you can make better decisions about rest, work, and daily routines. Note: CogniTrack is a wellness tool, not a medical device. It is not intended to diagnose, treat, or prevent any medical condition. ## Key features - Scientifically validated reaction time test - Track mental alertness and fatigue - Personal baseline setting - Trend charts for performance visualization - Performance ratings relative to baseline - Data export and import - Privacy-focused, data stays on device ## Frequently asked questions about CogniTrack ### What is CogniTrack used for? CogniTrack is a wellness tool designed to measure your mental alertness using a scientifically validated reaction time test. It helps you track how your focus and fatigue change throughout the day. ### How accurate is the CogniTrack reaction time test? The test is powered by the Psychomotor Vigilance Test (PVT), a method used by NASA, the US military, and sleep researchers worldwide to assess sustained attention and fatigue, suggesting a high degree of scientific validation. ### Can I use CogniTrack offline? Yes, CogniTrack is designed with privacy in mind, keeping all data on your device. This means you can use it without an internet connection. ### How often should I take tests with CogniTrack? It's recommended to establish a baseline test when fully rested, then use quick 6-trial checks throughout the day to monitor changes in alertness. ### Does CogniTrack have ads? No, CogniTrack does not contain advertisements. It is a free application focused on providing a clean user experience for tracking cognitive performance. ### What devices does CogniTrack support? CogniTrack is available for iPhone and iPad devices, allowing users to track their cognitive performance across Apple's mobile platforms. ### How does CogniTrack help with self-awareness? By providing objective measurements of your cognitive performance and visualizing trends over time, CogniTrack helps you understand your personal alertness patterns and make better decisions about your daily routines. ### Is CogniTrack a medical device? No, CogniTrack is a wellness tool and not a medical device. It is not intended to diagnose, treat, or prevent any medical condition. ## Version history (last 1 release) ### 1.0 — 2026-03-23 No release notes. ## More apps by Diffuse Thinking LLC - [Torch Timer • Flashlight Timer](https://appshunter.io/ios/app/torch-timer-flashlight-timer/id802085194) - [1Timer - Voice Timer](https://appshunter.io/ios/app/1timer-voice-timer/id1357874791) - [AmiiBoss](https://appshunter.io/ios/app/amiiboss/id1579972834) - [Discipline Poker](https://appshunter.io/ios/app/discipline-poker/id6758074740) - [Nomad Reminder](https://appshunter.io/ios/app/nomad-reminder/id6759353086) All apps by Diffuse Thinking LLC: https://appshunter.io/developer/1692715488 --- *Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-17.*