色差测试 vs WhenRedTap
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
色差测试
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对自己的眼睛很自信? 快来挑战自己的视觉极限吧! 你要做的就是不断找出那个不同的颜色,不断闯关,突破自我!
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!
Screenshots
Verdict
The clearest difference is in-app purchases: 色差测试 at none against WhenRedTap's 2. 色差测试 also leads on device support (3 vs 1) and iOS requirement (10.0 vs 16.0). On price and ads 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. 色差测试 asks for nothing beyond the download.
| Parameter | 色差测试 | WhenRedTap |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (1 ratings) — better |
| Number of ratings | — | 1 — better |
| Update frequency | — | Every 4 days |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | — | Free with in-app purchases |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 10.0 — better | 16.0 |
| Further details — not scored | ||
| Size | 10 MB | 4 MB |
| Age rating | 4+ | 4+ |
| Developer | 华生 黄 | 泽 王 |
In-app purchases
色差测试
No in-app purchases
WhenRedTap
- Remove Ads$0.99
- Paid Unlock$0.99









