# Multiplier vs OsteoPlan

The clearest difference is update cadence: OsteoPlan at fortnightly against Multiplier's every 6 months. Multiplier's advantage is iOS requirement (13.0 vs 17). On price, ads, in-app purchases and device support there is nothing between them.

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, OsteoPlan fortnightly. The most recent releases landed on October 15, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | Multiplier | OsteoPlan |
| --- | --- | --- |
| 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 | **Fortnightly** |
| Monetization | Paid | — |
| Size | 62 MB | 7 MB |
| Requires iOS | **13.0** | 17 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 12+ | 12+ |
| Developer | [LifeBridge Health](https://appshunter.io/developer/460335164) | [Aravind Ravichandran](https://appshunter.io/developer/1873728612) |

## 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


### OsteoPlan

[App page](https://appshunter.io/ios/app/osteoplan/id6758571441)

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

**In-app purchases:** none


## Frequently asked questions

### Is Multiplier free?

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

### Is OsteoPlan free?

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

### Do Multiplier or OsteoPlan have ads?

Neither Multiplier nor OsteoPlan shows ads.

### Which is updated more often, Multiplier or OsteoPlan?

Multiplier ships an update every 6 months, and OsteoPlan fortnightly. Most recently, Multiplier was updated on October 15, 2026 and OsteoPlan on September 24, 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.*