WhenRedTap vs Reaction Test
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
WhenRedTap
Test your reaction time with engaging stopwatch and agility games. Compete on leaderboards and enjoy classic arcade fun. Perfect for quick challenges and improving reflexes.
- Reaction speed testing
- Agility games
- Leaderboard competition
- Whack-a-Mole mini-game
- Milliseconds precision tracking
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Some worth-playing stopwatch games and agile games - Easy Mode: Click "Start," and when the countdown ends with the button turning red, quickly tap it to record your reaction speed. - Hard Mode: The button's outer circle serves as a hint with the prompt color. After starting the game, the button color changes to the prompt color. Quickly tap it to synchronize your reaction speed to the Game Center leaderboard. - 【Limited-time】Whack-a-Mole: Come and relish the childhood joy of popping bubbles, you won't be able to stop! The main purpose of this tool is to challenge your reaction limits and experience the difference in milliseconds firsthand. #Speed Challenge Tournament [Don't download!] [Don't download!] [Don't download!] But you won't listen, right? Don't blame us if you get addicted! The developers are already hooked, no time to slack off ^-^ That's life too, when you're about to get angry, just hit the pause button!
Reaction Test
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How Fast Are Your Reflexes? Take 10 reaction challenges and discover your reaction speed type! Test your visual reaction, choice speed, sequence memory, pattern recognition, and reflex accuracy across 5 different challenge types. [5 Reaction Types] - Lightning (Top 1%) - Under 200ms average, superhuman reflexes that defy belief - Cheetah (Top 5%) - Under 250ms average, fast and precise pro-level reactions - Hawk (Top 15%) - Under 300ms average, sharp vision with quick decision-making - Average (Top 50%) - Under 400ms average, solid reflexes with room to grow - Turtle (Bottom 50%) - Steady and deliberate, moving at your own pace [5 Challenge Types] - Simple Reaction: Tap as fast as you can when the screen color changes - Choice Reaction: Pick the correct color among multiple options - Sequence Memory: Remember and repeat the sequence shown - Pattern Speed: Spot the odd one out as quickly as possible - Reflex Challenge: Tap appearing targets the instant they show up [Key Features] - Dynamic questions generated fresh every time you play - 5 reaction type analysis with detailed performance report - Average time, best time, and consistency score breakdown - Save and share your result card with friends - 8 languages supported (English, Korean, Japanese, Chinese, Spanish, French, German) - Clean design with intuitive UI Test your reflexes now and compare with friends worldwide!
Screenshots
Verdict
The clearest difference is in-app purchases: Reaction Test at none against WhenRedTap's 2. WhenRedTap's advantage is ads (none vs shown). On price, device support and iOS requirement there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. WhenRedTap sells 2 one-off in-app purchases. Reaction Test asks for nothing beyond the download.
| Parameter | WhenRedTap | Reaction Test |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 4 days | — |
| Ads | No — better | Yes |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone | iPhone, iPod — better |
| Requires iOS | 16.0 | 15.1 — better |
| Further details — not scored | ||
| Size | 4 MB | 27 MB |
| Age rating | 4+ | 4+ |
| Developer | 泽 王 | pilyeong heo |
In-app purchases
WhenRedTap
- Remove Ads$0.99
- Paid Unlock$0.99
Reaction Test
No in-app purchases









