# Reaction Timer Training vs ReactionX

The clearest difference is review sentiment: ReactionX at 100% against Reaction Timer Training's 0%. ReactionX also leads on rating (5.0 vs 2.3) and in-app purchases (none vs 1). On price, ratings volume, device support and iOS requirement there is nothing between them.

Both are free to download. Reaction Timer Training sells 1 in-app purchase, starting at $1.99 per month. ReactionX asks for nothing beyond the download.

ReactionX holds the better App Store score, 5.0 against 2.3. Both are backed by a comparable volume of ratings — 4 and 3 respectively. Written reviews point the same way: 0% of Reaction Timer Training's written reviews are positive against 100% of ReactionX's.

Reaction Timer Training ships an update every 3 months, ReactionX every 6 weeks. The most recent releases landed on October 5, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | Reaction Timer Training | ReactionX |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.3 (4 ratings)](https://appshunter.io/ios/app/reaction-timer-training/id1512744673/reviews) | **[5.0 (3 ratings)](https://appshunter.io/ios/app/reactionx/id1515855584/reviews)** |
| Number of ratings | **4** | 3 |
| Positive reviews | 0.0% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 3 months | **Every 6 weeks** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 35 MB | 34 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [MillionTask, Unipessoal, Lda](https://appshunter.io/developer/1512744672) | [学斌 赵](https://appshunter.io/developer/1514555505) |

## What reviewers say

### Reaction Timer Training

[App page](https://appshunter.io/ios/app/reaction-timer-training/id1512744673)

Enhance your cognitive and physical performance with this reaction training app. Improve reaction time, decision-making, and coordination using customizable drills and Apple Watch integration. Track progress and sync data with the Health app.

**Highlights:** Improve reaction time, Enhance decision time, Develop peripheral vision, Boost coordination and speed, Customizable training drills, Apple Watch integration, Health app sync

**Features:** Apple Watch app, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Auto Renewable Subs | $1.99 | per month |


### ReactionX

[App page](https://appshunter.io/ios/app/reactionx/id1515855584)

Enhance your athletic performance with this app, designed to be used with specialized training lamps. Improve your speed and reaction times through professional sports training exercises.

**Highlights:** Professional sports training, Speed improvement, Reaction time enhancement, Compatible with training lamps hardware

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

**In-app purchases:** none


## Frequently asked questions

### Is Reaction Timer Training free?

Reaction Timer Training is free to download, with in-app purchases available.

### Is ReactionX free?

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

### Which has better reviews, Reaction Timer Training or ReactionX?

ReactionX is rated higher. Reaction Timer Training averages 2.3 out of 5 from 4 ratings, while ReactionX averages 5.0 from 3 ratings.

### Do Reaction Timer Training or ReactionX have ads?

Reaction Timer Training shows ads; ReactionX does not.

### Which is updated more often, Reaction Timer Training or ReactionX?

Reaction Timer Training ships an update every 3 months, and ReactionX every 6 weeks. Most recently, Reaction Timer Training was updated on October 5, 2026 and ReactionX on October 19, 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.*