# Principle Sports Performance vs Therapy Tracker

The clearest difference is iOS requirement: Principle Sports Performance at 13.5 against Therapy Tracker's 15.1. 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.

## The numbers

| Metric | Principle Sports Performance | Therapy Tracker |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | — | Every 8 days |
| Size | 13 MB | 37 MB |
| Requires iOS | **13.5** | 15.1 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Principle Sports Performance (NSW) PTY LTD](https://appshunter.io/developer/1837244169) | [W David O'Byrne](https://appshunter.io/developer/620112271) |

## What reviewers say

### Principle Sports Performance

[App page](https://appshunter.io/ios/app/principle-sports-performance/id6751860980)

**In-app purchases:** none


### Therapy Tracker

[App page](https://appshunter.io/ios/app/therapy-tracker-session-prep/id6763611879)

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

**In-app purchases:** none


## Frequently asked questions

### Is Principle Sports Performance free?

Principle Sports Performance is free to download, with no in-app purchases.

### Is Therapy Tracker free?

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

### Do Principle Sports Performance or Therapy Tracker have ads?

Neither Principle Sports Performance nor Therapy Tracker shows ads.

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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.*