# Performance Dynamics vs Integrity Training Systems

Performance Dynamics and Integrity Training Systems are too close to call on the numbers: across 3 compared parameters — price, in-app purchases and iOS requirement among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

## The numbers

| Metric | Performance Dynamics | Integrity Training Systems |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Update frequency | Every 9 months | — |
| Size | 55 MB | 46 MB |
| Requires iOS | **14.0** | 15.0 |
| Age rating | 4+ | 17+ |
| Developer | [TeamUp Sports](https://appshunter.io/developer/1449504626) | [Jared O Sullivan](https://appshunter.io/developer/1726742339) |

## What reviewers say

### Performance Dynamics

[App page](https://appshunter.io/ios/app/performance-dynamics/id6447365555)

**In-app purchases:** none


### Integrity Training Systems

[App page](https://appshunter.io/ios/app/integrity-training-systems/id6503001937)

**In-app purchases:** none


## Frequently asked questions

### Is Performance Dynamics free?

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

### Is Integrity Training Systems free?

Integrity Training Systems is free to download, with no in-app purchases.

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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.*