# Fastest Worker Challenges vs Reaction Rate(반응 속도 테스트)

Fastest Worker Challenges and Reaction Rate(반응 속도 테스트) are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

Fastest Worker Challenges ships an update every 2 weeks, Reaction Rate(반응 속도 테스트) fortnightly. The most recent releases landed on October 12, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Fastest Worker Challenges | Reaction Rate(반응 속도 테스트) |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (38 ratings)](https://appshunter.io/ios/app/fastest-worker-challenges/id6504125840/reviews)** | — |
| Number of ratings | **38** | — |
| Positive reviews | 83.3% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | **Every 2 weeks** | Fortnightly |
| Monetization | Ad-supported | — |
| Size | 88 MB | 28 MB |
| Requires iOS | 13.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 9+ | 4+ |
| Developer | [faizan khalid](https://appshunter.io/developer/1650548506) | [minchan kang](https://appshunter.io/developer/1787670786) |

## What reviewers say

### Fastest Worker Challenges

[App page](https://appshunter.io/ios/app/fastest-worker-challenges/id6504125840)

Test your reflexes and compete globally in a series of fast-paced mini-games. Tap, swipe, and slide to complete satisfying challenges and climb the leaderboards. Improve hand-eye coordination and focus while enjoying an addictive clicker experience.

**Highlights:** Global leaderboards, Variety of mini-games, Reflex and coordination training, Competitive challenges, Unlockable rewards, Stress relief

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

**In-app purchases:** none


### Reaction Rate(반응 속도 테스트)

[App page](https://appshunter.io/ios/app/reaction-rate/id6740024375)

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

**In-app purchases:** none


## Frequently asked questions

### Is Fastest Worker Challenges free?

Fastest Worker Challenges is free to download, with no in-app purchases.

### Is Reaction Rate(반응 속도 테스트) free?

Reaction Rate(반응 속도 테스트) is free to download, with no in-app purchases.

### Do Fastest Worker Challenges or Reaction Rate(반응 속도 테스트) have ads?

Both Fastest Worker Challenges and Reaction Rate(반응 속도 테스트) show ads.

### Which is updated more often, Fastest Worker Challenges or Reaction Rate(반응 속도 테스트)?

Fastest Worker Challenges ships an update every 2 weeks, and Reaction Rate(반응 속도 테스트) fortnightly. Most recently, Fastest Worker Challenges was updated on October 12, 2026 and Reaction Rate(반응 속도 테스트) on October 7, 2026.

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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.*