# Fast Reflex vs Reaction Training

The clearest difference is review sentiment: Fast Reflex at 100% against Reaction Training's 50%. Fast Reflex also leads on rating (4.5 vs 3.0) and ads (none vs shown). Reaction Training's advantage is price (Free vs $0.99) and in-app purchases (none vs 1). On device support there is nothing between them.

Reaction Training is free to download; Fast Reflex costs $0.99 up front. Fast Reflex sells 1 one-off in-app purchase. Reaction Training asks for nothing beyond the download.

Fast Reflex holds the better App Store score, 4.5 against 3.0. That said, the two scores are not equally well evidenced: Fast Reflex has 47 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 100% of Fast Reflex's written reviews are positive against 50% of Reaction Training's.

Fast Reflex ships an update every 2 weeks, Reaction Training every 3 months. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Fast Reflex | Reaction Training |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | **[4.5 (47 ratings)](https://appshunter.io/ios/app/fast-reflex-test-your-brain/id1426315814/reviews)** | [3.0 (2 ratings)](https://appshunter.io/ios/app/reaction-training-shoot/id1672910609/reviews) |
| Number of ratings | **47** | 2 |
| Positive reviews | **100.0% of reviews** | 50.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | **Every 2 weeks** | Every 3 months |
| Monetization | Paid | **Ad-supported** |
| Size | 76 MB | 26 MB |
| Requires iOS | **11.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Radoslaw Kubas](https://appshunter.io/developer/1643306872) | [Ryouhei Azuma](https://appshunter.io/developer/1353297781) |

## What reviewers say

### Fast Reflex

[App page](https://appshunter.io/ios/app/fast-reflex-test-your-brain/id1426315814)

This game challenges your reaction speed and hand-eye coordination with precise testing down to a millionth of a second. Compete globally on leaderboards and explore unique tests to boost focus and dexterity.

**Highlights:** Precise reflex testing, Global leaderboards, Telepathy test, Enhances focus and dexterity, Simple interface, Quick mental exercises

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $0.99 | one-time |


### Reaction Training

[App page](https://appshunter.io/ios/app/reaction-training-shoot/id1672910609)

This game challenges players to tap moving targets, offering a fun way to practice reflexes and improve concentration. It features online leaderboards to compare scores with others. Regular play can enhance brain activation and cognitive skills.

**Highlights:** Tap moving targets, Score ranking display, Online leaderboards, Reflex training, Concentration improvement, Brain activation

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

**In-app purchases:** none


## Frequently asked questions

### Is Fast Reflex free?

Fast Reflex costs $0.99, and also offers in-app purchases.

### Is Reaction Training free?

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

### Which has better reviews, Fast Reflex or Reaction Training?

Fast Reflex is rated higher. Fast Reflex averages 4.5 out of 5 from 47 ratings, while Reaction Training averages 3.0 from 2 ratings.

### Do Fast Reflex or Reaction Training have ads?

Reaction Training shows ads; Fast Reflex does not.

### Which is updated more often, Fast Reflex or Reaction Training?

Fast Reflex ships an update every 2 weeks, and Reaction Training every 3 months. Most recently, Fast Reflex was updated on November 2, 2026 and Reaction Training on November 3, 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.*