# Acetabular Diagnosis Tool vs SFA'pp

The clearest difference is iOS requirement: Acetabular Diagnosis Tool at 12.0 against SFA'pp's 15.5. 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.

Acetabular Diagnosis Tool ships an update every 11 months, SFA'pp every 7 months. The most recent releases landed on September 9, 2026 and September 6, 2026 respectively.

## The numbers

| Metric | Acetabular Diagnosis Tool | SFA'pp |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 11 months | **Every 7 months** |
| Size | 30 MB | 103 MB |
| Requires iOS | **12.0** | 15.5 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 17+ | 17+ |
| Developer | [Groupe Hospitalier Paris Saint-Joseph](https://appshunter.io/developer/1085526444) | [CYIM](https://appshunter.io/developer/394180060) |

## What reviewers say

### Acetabular Diagnosis Tool

[App page](https://appshunter.io/ios/app/acetabular-diagnosis-tool/id1122951278)

**Features:** macOS Compatibility

**In-app purchases:** none


### SFA'pp

[App page](https://appshunter.io/ios/app/sfapp/id6743757372)

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

**In-app purchases:** none


## Frequently asked questions

### Is Acetabular Diagnosis Tool free?

Acetabular Diagnosis Tool is free to download, with no in-app purchases.

### Is SFA'pp free?

SFA'pp is free to download, with no in-app purchases.

### Do Acetabular Diagnosis Tool or SFA'pp have ads?

Neither Acetabular Diagnosis Tool nor SFA'pp shows ads.

### Which is updated more often, Acetabular Diagnosis Tool or SFA'pp?

Acetabular Diagnosis Tool ships an update every 11 months, and SFA'pp every 7 months. Most recently, Acetabular Diagnosis Tool was updated on September 9, 2026 and SFA'pp on September 6, 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.*