# Catalyst Training Co vs Session

The clearest difference is update cadence: Session at every 5 days against Catalyst Training Co'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 Co ships an update every 3 weeks, Session every 5 days. The most recent releases landed on November 5, 2026 and November 10, 2026 respectively.

## The numbers

| Metric | Catalyst Training Co | Session |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 5 days** |
| Size | 153 MB | 42 MB |
| Requires iOS | **15.1** | 15.6 |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Outer Strength Fitness Pty Ltd](https://appshunter.io/developer/1790202247) | [Vincent DOLLO](https://appshunter.io/developer/6778828072) |

## What reviewers say

### Catalyst Training Co

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

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

**In-app purchases:** none


### Session

[App page](https://appshunter.io/ios/app/session-hiit-interval-timer/id6778828070)

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

**In-app purchases:** none


## Frequently asked questions

### Is Catalyst Training Co free?

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

### Is Session free?

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

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

Neither Catalyst Training Co nor Session shows ads.

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

Catalyst Training Co ships an update every 3 weeks, and Session every 5 days. Most recently, Catalyst Training Co was updated on November 5, 2026 and Session on November 10, 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.*