# E vs Catalyst Training Co

The clearest difference is ads: Catalyst Training Co at none against E's shown. On price, update cadence, 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.

E ships an update every 5 weeks, Catalyst Training Co every 3 weeks. The most recent releases landed on September 16, 2026 and September 13, 2026 respectively.

## The numbers

| Metric | E | Catalyst Training Co |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 5 weeks | **Every 3 weeks** |
| Size | 124 MB | 153 MB |
| Requires iOS | **14.0** | 15.1 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [MTR FITNESS PTY LTD](https://appshunter.io/developer/1565534132) | [Outer Strength Fitness Pty Ltd](https://appshunter.io/developer/1790202247) |

## What reviewers say

### E

[App page](https://appshunter.io/ios/app/e-lab-training/id1565534130)

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases:** none


### Catalyst Training Co

[App page](https://appshunter.io/ios/app/catalyst-training-co/id6755543686)

**Features:** Apple Wallet, Apple Watch app

**In-app purchases:** none


## Frequently asked questions

### Is E free?

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

### Is Catalyst Training Co free?

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

### Do E or Catalyst Training Co have ads?

E shows ads; Catalyst Training Co does not.

### Which is updated more often, E or Catalyst Training Co?

E ships an update every 5 weeks, and Catalyst Training Co every 3 weeks. Most recently, E was updated on September 16, 2026 and Catalyst Training Co on September 13, 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.*