# Katalyst vs Alpha Progressive Overload

The clearest difference is price: Katalyst at Free against Alpha Progressive Overload's $0.99. Alpha Progressive Overload's advantage is update cadence (every 4 days vs every 3 weeks). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

Katalyst is free to download; Alpha Progressive Overload costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Katalyst ships an update every 3 weeks, Alpha Progressive Overload every 4 days. The most recent releases landed on October 25, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Katalyst | Alpha Progressive Overload |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | **[4.6 (59 ratings)](https://appshunter.io/ios/app/katalyst/id1558163458/reviews)** | — |
| Number of ratings | **59** | — |
| Positive reviews | 80.6% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 4 days** |
| Monetization | Free with in-app purchases | — |
| Size | 155 MB | 85 MB |
| Requires iOS | **16.0** | 17.0 |
| Devices | iPhone, iPad, Apple Watch | iPhone, iPad, Apple Watch |
| Age rating | 4+ | 12+ |
| Developer | [Katalyst Interactive Inc.](https://appshunter.io/developer/1558163460) | [Dakota Cole](https://appshunter.io/developer/1882114329) |

## 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


### Alpha Progressive Overload

[App page](https://appshunter.io/ios/app/alpha-progressive-overload/id6760934217)

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

**In-app purchases:** none


## Frequently asked questions

### Is Katalyst free?

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

### Is Alpha Progressive Overload free?

Alpha Progressive Overload costs $0.99, with no in-app purchases.

### Do Katalyst or Alpha Progressive Overload have ads?

Neither Katalyst nor Alpha Progressive Overload shows ads.

### Which is updated more often, Katalyst or Alpha Progressive Overload?

Katalyst ships an update every 3 weeks, and Alpha Progressive Overload every 4 days. Most recently, Katalyst was updated on October 25, 2026 and Alpha Progressive Overload on October 28, 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.*