# Catalyst Training Gyms vs NBSTrainingSystems

The clearest difference is in-app purchases: Catalyst Training Gyms at none against NBSTrainingSystems's 3. NBSTrainingSystems's advantage is update cadence (every 3 days vs every 3 weeks). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. NBSTrainingSystems sells 3 in-app purchases, starting at $49.99 per month. Catalyst Training Gyms asks for nothing beyond the download.

Catalyst Training Gyms ships an update every 3 weeks, NBSTrainingSystems every 3 days. The most recent releases landed on October 25, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Catalyst Training Gyms | NBSTrainingSystems |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 3 days** |
| Size | 190 MB | 80 MB |
| Requires iOS | 16.0 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 12+ |
| Developer | [Catalyst Health & Fitness, LLC](https://appshunter.io/developer/1451089439) | [Joseph Patch](https://appshunter.io/developer/1895940763) |

## What reviewers say

### Catalyst Training Gyms

[App page](https://appshunter.io/ios/app/catalyst-training-gyms-ct/id6451120090)

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

**In-app purchases:** none


### NBSTrainingSystems

[App page](https://appshunter.io/ios/app/nbstrainingsystems/id6783537119)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Builder + Monthly Coaching | $49.99 | per month |
| Builder + Weekly Coaching | $99.99 | per month |
| NBS-Managed Coaching | $199.99 | per month |


## Frequently asked questions

### Is Catalyst Training Gyms free?

Catalyst Training Gyms is free to download, with no in-app purchases.

### Is NBSTrainingSystems free?

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

### Do Catalyst Training Gyms or NBSTrainingSystems have ads?

Neither Catalyst Training Gyms nor NBSTrainingSystems shows ads.

### Which is updated more often, Catalyst Training Gyms or NBSTrainingSystems?

Catalyst Training Gyms ships an update every 3 weeks, and NBSTrainingSystems every 3 days. Most recently, Catalyst Training Gyms was updated on October 25, 2026 and NBSTrainingSystems on October 7, 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.*