# Katalyst vs X3 Force

The clearest difference is rating: Katalyst at 4.6 against X3 Force's 4.1. Katalyst also leads on in-app purchases (none vs 2) and review sentiment (81% vs 70%). On price, ratings volume, update cadence and ads there is nothing between them.

Both are free to download. X3 Force sells 2 in-app purchases, starting at $14.99 per month. Katalyst asks for nothing beyond the download.

Katalyst holds the better App Store score, 4.6 against 4.1. Both are backed by a comparable volume of ratings — 58 and 21 respectively. Written reviews point the same way: 81% of Katalyst's written reviews are positive against 70% of X3 Force's.

Katalyst ships an update every 3 weeks, X3 Force fortnightly. The most recent releases landed on October 14, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | Katalyst | X3 Force |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (58 ratings)](https://appshunter.io/ios/app/katalyst/id1558163458/reviews)** | [4.1 (21 ratings)](https://appshunter.io/ios/app/x3-force/id1571190223/reviews) |
| Number of ratings | **58** | 21 |
| Positive reviews | **80.6% of reviews** | 70.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Fortnightly** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 126 MB | 27 MB |
| Requires iOS | 16.0 | **15.0** |
| Devices | iPhone, iPad, Apple Watch | **iPhone, iPad, iPod, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Katalyst Interactive Inc.](https://appshunter.io/developer/1558163460) | [Jaquish Biomedical Corporation](https://appshunter.io/developer/1174051341) |

## What reviewers say

### Katalyst

[App page](https://appshunter.io/ios/app/katalyst/id1558163458)

This app enhances a revolutionary workout system using Electro Muscle Stimulation (EMS) to engage all muscles simultaneously. It offers a full-body workout in just 20 minutes, with zero joint load. Access diverse workout programs and control intensity for personalized training.

**Highlights:** Electro Muscle Stimulation (EMS) training, Full-body engagement, 20-minute workouts, Zero joint load, Diverse workout library (strength, power, cardio, recovery), Adjustable impulse intensity, Offline workout access

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

**In-app purchases:** none


### X3 Force

[App page](https://appshunter.io/ios/app/x3-force/id1571190223)

This application works with a smart resistance bar to track your exercise sessions in real time. It displays force data, quantifies workout quality, and helps you monitor progress to maximize results. Focus on improving your performance metrics for enhanced growth.

**Highlights:** Real-time force tracking, Quantify workout quality, Record workout duration, Monitor rep consistency, Calculate time under tension, View peak forces

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $14.99 | per month |
| Yearly | $164.99 | per year |


## Frequently asked questions

### Is Katalyst free?

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

### Is X3 Force free?

X3 Force is free to download, with in-app purchases available.

### Which has better reviews, Katalyst or X3 Force?

Katalyst is rated higher. Katalyst averages 4.6 out of 5 from 58 ratings, while X3 Force averages 4.1 from 21 ratings.

### Do Katalyst or X3 Force have ads?

Neither Katalyst nor X3 Force shows ads.

### Which is updated more often, Katalyst or X3 Force?

Katalyst ships an update every 3 weeks, and X3 Force fortnightly. Most recently, Katalyst was updated on October 14, 2026 and X3 Force on October 11, 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.*