AppMarketSpy › Health & Fitness › Reflex – Reaction Test
Reflex – Reaction Test
Daily reaction test & insights
Carsten Schaal · Health & Fitness
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App info
- Developer
- Carsten Schaal
- Category
- Health & Fitness, Productivity
- Released
- Sep 23, 2026
- Version
- 1.01 (Sep 25, 2026)
- Price
- Free
- Size
- 2.0 MB
- Requires
- iOS 18.0
- Age rating
- 4+
- Languages
- English and German
In-app purchases
| Reflex Pro – Lifetime | $17.99 |
| Reflex Pro – Yearly | $6.99 |
Current prices, App Store US.
🔒 Price history3 snapshots: when prices changed and new plans appearedGet Pro access
About Reflex – Reaction Test
Reflex measures in 20 seconds how sharp your mind is today – and shows you over weeks what really affects your reactions: sleep, activity, resting heart rate, HRV, coffee or exercise. One test a day, one number, one clear picture. NO ACCOUNT. NO TRACKING. NO ADS. All data stays on your device. Apple Health is only read, never shared and never stored in iCloud. The daily test is free and always will be. 20 SECONDS A DAY Tap as soon as the screen turns green – as fast as you can. Reflex measures the moment your finger touches the screen, detects false starts and lapses, and takes the median of all reactions. The method is a compact form of the Psychomotor Vigilance Task that sleep researchers use to measure alertness. YOUR DAY AT A GLANCE The Today tab shows your score compared to your 7-day average, your streak, your best and the day's health context: last night's sleep, yesterday's…
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