Reaction Test vs Tap Sync
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Reaction Test
Control a ring and a ball to navigate through each other. Release to transform, letting balls pass through rings and rings pass through balls. A simple yet engaging test of timing and reflexes.
- Hold to form a ring
- Release to become a ball
- Navigate through obstacles
- Simple one-touch controls
- Test your reflexes
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You hold to be a ring, and let go to become a ball. Just let dropping balls go through the ring, and let dropping rings go through the ball.
Tap Sync
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Tap Sync — put your timing precision to the ultimate test. HOW TO PLAY Colorful circles appear across the screen, each numbered in order. An approach ring shrinks from outside toward each circle. Tap each circle in numbered order exactly when the ring matches the circle size. JUDGMENTS • Perfect — within ±150ms of the ideal moment • Good — within ±350ms • Miss — too early, too late, or wrong order TWO GAME MODES • Test Mode — 60 seconds to score as high as you can • Practice Mode — no time limit, hone your timing freely FOUR DIFFICULTY LEVELS • Easy — relaxed approach speed, 2 circles at a time • Medium — moderate speed, 3 circles at a time • Hard — rapid approach speed, 4 circles at a time • Mad Max — insane speed, 6 circles at a time. Do you dare? DISCOVER YOUR TIMING TYPE After your 60-second test, receive a personalized timing analysis. Are you a Timing Genius, a Rhythm Master, a Beat Hunter — or just Off Beat? Supports 9 languages. HOW GOOD IS YOUR TIMING?
Screenshots
Verdict
The clearest difference is iOS requirement: Reaction Test at 8.0 against Tap Sync's 15.1. On price, ads, in-app purchases and device support 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. Neither carries in-app purchases, so what you see is what you pay.
| Parameter | Reaction Test | Tap Sync |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (6 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 6 — better | — |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 8.0 — better | 15.1 |
| Further details — not scored | ||
| Size | 18 MB | 30 MB |
| Age rating | 4+ | 4+ |
| Developer | 祥祎 刘 | pilyeong heo |
In-app purchases
Reaction Test
No in-app purchases
Tap Sync
No in-app purchases









