# Ruggengraat.com vs AP Training Studio

Ruggengraat.com and AP Training Studio are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases 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.

Ruggengraat.com ships an update every 2 weeks, AP Training Studio every 3 weeks. The most recent releases landed on September 19, 2026 and September 13, 2026 respectively.

## The numbers

| Metric | Ruggengraat.com | AP Training Studio |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 3 weeks |
| Size | 70 MB | 98 MB |
| Requires iOS | 16.0 | 16.0 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Ruggengraat.com](https://appshunter.io/developer/1147084007) | [FITsociety BV (Apps)](https://appshunter.io/developer/1756257213) |

## What reviewers say

### Ruggengraat.com

[App page](https://appshunter.io/ios/app/ruggengraatcom/id1147084008)

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

**In-app purchases:** none


### AP Training Studio

[App page](https://appshunter.io/ios/app/ap-training-studio/id6760356597)

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

**In-app purchases:** none


## Frequently asked questions

### Is Ruggengraat.com free?

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

### Is AP Training Studio free?

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

### Do Ruggengraat.com or AP Training Studio have ads?

Neither Ruggengraat.com nor AP Training Studio shows ads.

### Which is updated more often, Ruggengraat.com or AP Training Studio?

Ruggengraat.com ships an update every 2 weeks, and AP Training Studio every 3 weeks. Most recently, Ruggengraat.com was updated on September 19, 2026 and AP Training Studio on September 13, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*