# Transform Training vs Nine Under

The clearest difference is iOS requirement: Transform Training at 13.0 against Nine Under's 15.0. On price, update cadence, ads and in-app purchases there is nothing between them.

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

Transform Training ships an update every 20 months, Nine Under every 13 months. The most recent releases landed on September 12, 2026 and September 15, 2026 respectively.

## The numbers

| Metric | Transform Training | Nine Under |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 20 months | **Every 13 months** |
| Size | 52 MB | 40 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Transform Training LLC](https://appshunter.io/developer/1737779037) | [Joseph Terrill](https://appshunter.io/developer/1822564454) |

## What reviewers say

### Transform Training

[App page](https://appshunter.io/ios/app/transform-training/id6479989487)

**Features:** macOS Compatibility

**In-app purchases:** none


### Nine Under

[App page](https://appshunter.io/ios/app/nine-under-golf-performance/id6747715753)

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

**In-app purchases:** none


## Frequently asked questions

### Is Transform Training free?

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

### Is Nine Under free?

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

### Do Transform Training or Nine Under have ads?

Neither Transform Training nor Nine Under shows ads.

### Which is updated more often, Transform Training or Nine Under?

Transform Training ships an update every 20 months, and Nine Under every 13 months. Most recently, Transform Training was updated on September 12, 2026 and Nine Under on September 15, 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.*