# Multiplier vs OrthoQuant MD

The clearest difference is in-app purchases: Multiplier at none against OrthoQuant MD's 2. Multiplier also leads on iOS requirement (13.0 vs 15.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. OrthoQuant MD sells 2 in-app purchases, starting at $1.99 per month. Multiplier asks for nothing beyond the download.

Multiplier ships an update every 6 months, OrthoQuant MD every 3 months. The most recent releases landed on October 23, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Multiplier | OrthoQuant MD |
| --- | --- | --- |
| 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** | Yes |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 3 months** |
| Monetization | Paid | — |
| Size | 62 MB | 49 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Mac** |
| Age rating | 12+ | 17+ |
| Developer | [LifeBridge Health](https://appshunter.io/developer/460335164) | [ILKER EREN](https://appshunter.io/developer/1861402477) |

## 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


### OrthoQuant MD

[App page](https://appshunter.io/ios/app/orthoquant-md/id6756558910)

**Features:** Family Sharing, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| OrthoQuant MD Pro | $1.99 | per month |
| OrthoQuant MD Pro | $19.99 | per year |


## Frequently asked questions

### Is Multiplier free?

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

### Is OrthoQuant MD free?

OrthoQuant MD is free to download, with in-app purchases available.

### Do Multiplier or OrthoQuant MD have ads?

Neither Multiplier nor OrthoQuant MD shows ads.

### Which is updated more often, Multiplier or OrthoQuant MD?

Multiplier ships an update every 6 months, and OrthoQuant MD every 3 months. Most recently, Multiplier was updated on October 23, 2026 and OrthoQuant MD on October 28, 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.*