# KidRex vs ReactionTraining

The clearest difference is rating: ReactionTraining at 5.0 against KidRex's 3.0. ReactionTraining also leads on update cadence (weekly vs every 55 months) and review sentiment (100% vs 80%). KidRex's advantage is in-app purchases (none vs 3) and iOS requirement (15.0 vs 17.0). On price, ratings volume, ads and device support there is nothing between them.

Both are free to download. ReactionTraining sells 3 in-app purchases, starting at $0.99 per month. KidRex asks for nothing beyond the download.

ReactionTraining holds the better App Store score, 5.0 against 3.0. Both are backed by a comparable volume of ratings — 2 and 1 respectively. Written reviews point the same way: 80% of KidRex's written reviews are positive against 100% of ReactionTraining's.

KidRex ships an update every 55 months, ReactionTraining weekly. The most recent releases landed on November 3, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | KidRex | ReactionTraining |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.0 (2 ratings)](https://appshunter.io/ios/app/kidrex/id1281554861/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/reactiontraining-reflex-test/id6794790106/reviews)** |
| Number of ratings | **2** | 1 |
| Positive reviews | 80.0% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 55 months | **Weekly** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 41 MB | 28 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [ibrahim akpinar](https://appshunter.io/developer/1281554290) | [Zrindy LLC](https://appshunter.io/developer/1876720455) |

## What reviewers say

### KidRex

[App page](https://appshunter.io/ios/app/kidrex/id1281554861)

Experience a thrilling ride where survival is key and honing your equestrian skills is paramount. Navigate challenging environments and test your abilities.

**Highlights:** Ride to survive, Improve riding skills, Challenging environments, Skill-based gameplay

**Features:** macOS Compatibility

**In-app purchases:** none


### ReactionTraining

[App page](https://appshunter.io/ios/app/reactiontraining-reflex-test/id6794790106)

Measure your visual reaction time with this app. It presents a green signal after a random delay, prompting you to tap as fast as possible. Track your progress over time and compare your results with others.

**Highlights:** Measures visual reaction time, Five-attempt average and best time, Session history and progress charts, Reaction-time tiers and progress gauge, Comparison with benchmark statistics, Friend records and goals

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Premium | $0.99 | per month |
| Annual Premium | $2.99 | per year |
| Lifetime Premium | $8.99 | one-time |


## Frequently asked questions

### Is KidRex free?

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

### Is ReactionTraining free?

ReactionTraining is free to download, with in-app purchases available.

### Which has better reviews, KidRex or ReactionTraining?

ReactionTraining is rated higher. KidRex averages 3.0 out of 5 from 2 ratings, while ReactionTraining averages 5.0 from 1 ratings.

### Do KidRex or ReactionTraining have ads?

Both KidRex and ReactionTraining show ads.

### Which is updated more often, KidRex or ReactionTraining?

KidRex ships an update every 55 months, and ReactionTraining weekly. Most recently, KidRex was updated on November 3, 2026 and ReactionTraining on October 31, 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.*