# ReactionX vs ActivForce

The clearest difference is review sentiment: ReactionX at 100% against ActivForce's 17%. ReactionX also leads on rating (5.0 vs 4.8) and iOS requirement (15.1 vs 17). On price, ratings volume, update cadence and ads 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 4.8. Both are backed by a comparable volume of ratings — 3 and 5 respectively. Written reviews point the same way: 100% of ReactionX's written reviews are positive against 17% of ActivForce's.

ReactionX ships an update every 6 weeks, ActivForce every 3 weeks. Both last shipped on October 2, 2026.

## The numbers

| Metric | ReactionX | ActivForce |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/reactionx/id1515855584/reviews)** | [4.8 (5 ratings)](https://appshunter.io/ios/app/activforce-digital-testing/id6741608693/reviews) |
| Number of ratings | 3 | **5** |
| Positive reviews | **100.0% of reviews** | 16.7% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 3 weeks** |
| Monetization | Free | Free |
| Size | 34 MB | 29 MB |
| Requires iOS | **15.1** | 17 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [学斌 赵](https://appshunter.io/developer/1514555505) | [Activbody, Inc.](https://appshunter.io/developer/1077331801) |

## What reviewers say

### 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


### ActivForce

[App page](https://appshunter.io/ios/app/activforce-digital-testing/id6741608693)

This app syncs with a handheld device to provide real-time data for strength and range of motion testing. It helps practitioners optimize client care and recovery with accurate, data-driven insights and customizable testing sequences.

**Highlights:** Real-time strength and ROM data visualization, Customizable test sequences, Detailed data modeling and analysis, Offline functionality, Seamless web dashboard sync

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is ReactionX free?

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

### Is ActivForce free?

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

### Which has better reviews, ReactionX or ActivForce?

ReactionX is rated higher. ReactionX averages 5.0 out of 5 from 3 ratings, while ActivForce averages 4.8 from 5 ratings.

### Do ReactionX or ActivForce have ads?

Neither ReactionX nor ActivForce shows ads.

### Which is updated more often, ReactionX or ActivForce?

ReactionX ships an update every 6 weeks, and ActivForce every 3 weeks. Most recently, ReactionX was updated on October 2, 2026 and ActivForce on October 2, 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.*