# Catalyst Training Gyms vs improof

The clearest difference is update cadence: improof at every 11 days against Catalyst Training Gyms's every 3 weeks. On price, ads, in-app purchases and device support there is nothing between them.

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

Catalyst Training Gyms ships an update every 3 weeks, improof every 11 days. The most recent releases landed on October 10, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Catalyst Training Gyms | improof |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/improof/id6757347275/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 11 days** |
| Monetization | — | Free |
| Size | 190 MB | 43 MB |
| Requires iOS | 16.0 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Catalyst Health & Fitness, LLC](https://appshunter.io/developer/1451089439) | [Improof](https://appshunter.io/developer/1740351263) |

## 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


### improof

[App page](https://appshunter.io/ios/app/improof/id6757347275)

This comprehensive health app helps you track nutrition, connect with coaches, and sync wearable data. Set personalized goals and monitor your progress to achieve a healthier lifestyle.

**Highlights:** Log meals and track macronutrients, AI-powered meal logging, Connect with personal trainers, Sync with Apple Health, Google Fit, Fitbit, Set personalized fitness goals, View progress and insights

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

**In-app purchases:** none


## Frequently asked questions

### Is Catalyst Training Gyms free?

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

### Is improof free?

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

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

Neither Catalyst Training Gyms nor improof shows ads.

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

Catalyst Training Gyms ships an update every 3 weeks, and improof every 11 days. Most recently, Catalyst Training Gyms was updated on October 10, 2026 and improof 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.*