# Reaction Test vs Tap Sync

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.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | Reaction Test | Tap Sync |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (6 ratings)](https://appshunter.io/ios/app/reaction-test-gold-balls/id1120927668/reviews)** | — |
| Number of ratings | **6** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Monetization | Free | — |
| Size | 18 MB | 30 MB |
| Requires iOS | **8.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [祥祎 刘](https://appshunter.io/developer/1071522659) | [pilyeong heo](https://appshunter.io/developer/1835315150) |

## What reviewers say

### Reaction Test

[App page](https://appshunter.io/ios/app/reaction-test-gold-balls/id1120927668)

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.

**Highlights:** Hold to form a ring, Release to become a ball, Navigate through obstacles, Simple one-touch controls, Test your reflexes

**Features:** macOS Compatibility

**In-app purchases:** none


### Tap Sync

[App page](https://appshunter.io/ios/app/tap-sync-timing-test/id6766768154)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Reaction Test free?

Reaction Test is free to download, with no in-app purchases.

### Is Tap Sync free?

Tap Sync is free to download, with no in-app purchases.

### Do Reaction Test or Tap Sync have ads?

Neither Reaction Test nor Tap Sync shows ads.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*