# Compex Coach vs ReactionX

The clearest difference is review sentiment: ReactionX at 100% against Compex Coach's 57%. ReactionX also leads on rating (5.0 vs 4.7). Compex Coach's advantage is ratings volume (277 vs 3) and iOS requirement (12.0 vs 15.1). On price, update cadence, ads and in-app purchases there is nothing between them.

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

ReactionX holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: Compex Coach has 277 ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 57% of Compex Coach's written reviews are positive against 100% of ReactionX's.

Compex Coach ships an update every 3 months, ReactionX every 6 weeks. The most recent releases landed on September 18, 2026 and September 15, 2026 respectively.

## The numbers

| Metric | Compex Coach | ReactionX |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (277 ratings)](https://appshunter.io/ios/app/compex-coach/id1434658426/reviews) | **[5.0 (3 ratings)](https://appshunter.io/ios/app/reactionx/id1515855584/reviews)** |
| Number of ratings | **277** | 3 |
| Positive reviews | 57.1% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 6 weeks** |
| Monetization | Free | Free |
| Size | 73 MB | 34 MB |
| Requires iOS | **12.0** | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [DJO Global](https://appshunter.io/developer/472386862) | [学斌 赵](https://appshunter.io/developer/1514555505) |

## What reviewers say

### Compex Coach

[App page](https://appshunter.io/ios/app/compex-coach/id1434658426)

This app guides users in setting training objectives, planning sessions, and receiving reminders for their Compex device. It offers detailed instructions on electrode placement, intensity management, and program specifics for various fitness and recovery goals. Users can also share their progress with friends.

**Highlights:** Set training objectives, Plan Compex sessions, Reminders for sessions, Electrode placement guidance, Program details and explanations, Share sessions with friends

**Features:** macOS Compatibility

**In-app purchases:** none


### 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

**In-app purchases:** none


## Frequently asked questions

### Is Compex Coach free?

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

### Is ReactionX free?

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

### Which has better reviews, Compex Coach or ReactionX?

ReactionX is rated higher. Compex Coach averages 4.7 out of 5 from 277 ratings, while ReactionX averages 5.0 from 3 ratings.

### Do Compex Coach or ReactionX have ads?

Neither Compex Coach nor ReactionX shows ads.

### Which is updated more often, Compex Coach or ReactionX?

Compex Coach ships an update every 3 months, and ReactionX every 6 weeks. Most recently, Compex Coach was updated on September 18, 2026 and ReactionX on September 15, 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.*