# Multiplier vs Acetabular Diagnosis Tool

Multiplier and Acetabular Diagnosis Tool 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.

Multiplier ships an update every 6 months, Acetabular Diagnosis Tool every 11 months. The most recent releases landed on October 23, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | Multiplier | Acetabular Diagnosis Tool |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (24 ratings)](https://appshunter.io/ios/app/multiplier/id460335161/reviews)** | — |
| Number of ratings | **24** | — |
| Positive reviews | 83.3% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 months** | Every 11 months |
| Monetization | Paid | — |
| Size | 62 MB | 30 MB |
| Requires iOS | 13.0 | **12.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 12+ | 17+ |
| Developer | [LifeBridge Health](https://appshunter.io/developer/460335164) | [Groupe Hospitalier Paris Saint-Joseph](https://appshunter.io/developer/1085526444) |

## What reviewers say

### Multiplier

[App page](https://appshunter.io/ios/app/multiplier/id460335161)

This app automates complex calculations for predicting mature height, bone length, and limb length discrepancies in children. It simplifies manual methods, reducing calculation time and errors for various orthopedic and growth-related assessments.

**Highlights:** Predict mature height, Calculate bone length, Assess limb length discrepancy, Analyze growth remaining, Plot height on CDC charts, Scanogram calculations, Foot length analysis

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

**In-app purchases:** none


### Acetabular Diagnosis Tool

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

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Multiplier free?

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

### Is Acetabular Diagnosis Tool free?

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

### Do Multiplier or Acetabular Diagnosis Tool have ads?

Neither Multiplier nor Acetabular Diagnosis Tool shows ads.

### Which is updated more often, Multiplier or Acetabular Diagnosis Tool?

Multiplier ships an update every 6 months, and Acetabular Diagnosis Tool every 11 months. Most recently, Multiplier was updated on October 23, 2026 and Acetabular Diagnosis Tool on October 12, 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.*