# Custom4U Ottobock vs KLM Digital Casting

The clearest difference is rating: KLM Digital Casting at 3.7 against Custom4U Ottobock's 1.0. KLM Digital Casting also leads on ratings volume (3 vs 1) and iOS requirement (12.2 vs 15.0). Custom4U Ottobock's advantage is update cadence (monthly vs every 3 months) and device support (3 vs 1). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

KLM Digital Casting holds the better App Store score, 3.7 against 1.0. Both are backed by a comparable volume of ratings — 1 and 3 respectively.

Custom4U Ottobock ships an update monthly, KLM Digital Casting every 3 months. The most recent releases landed on October 7, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | Custom4U Ottobock | KLM Digital Casting |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.0 (1 ratings)](https://appshunter.io/ios/app/custom4u-ottobock/id1451210370/reviews) | **[3.7 (3 ratings)](https://appshunter.io/ios/app/klm-digital-casting/id1500763840/reviews)** |
| Number of ratings | 1 | **3** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 3 months |
| Monetization | Free | Free |
| Size | 136 MB | 111 MB |
| Requires iOS | 15.0 | **12.2** |
| Devices | **iPhone, iPad, iPod** | iPad |
| Age rating | 17+ | 4+ |
| Developer | [TechMed 3D](https://appshunter.io/developer/964196047) | [Taika3D Oy](https://appshunter.io/developer/1436462173) |

## What reviewers say

### Custom4U Ottobock

[App page](https://appshunter.io/ios/app/custom4u-ottobock/id1451210370)

This medical app facilitates 3D scanning of lower limbs for custom-made prosthetic liners. It utilizes the Structure SDK/TrueDepth camera on compatible iPads for quick and accurate scans. The resulting data is sent directly to Ottobock for efficient fabrication.

**Highlights:** 3D scanning for lower limb prosthetics, Utilizes Structure SDK/TrueDepth camera, Portable and easy to use, Fast custom liner fabrication, Below-knee (BK) limb scanning

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

**In-app purchases:** none


### KLM Digital Casting

[App page](https://appshunter.io/ios/app/klm-digital-casting/id1500763840)

Create patient files and capture digital 3D scans of feet. Upload patient data to an online system to order custom orthotics. Requires a specific hardware accessory.

**Highlights:** Create patient files, Capture digital foot scans, Take up to 9 pictures, Upload to online order system, Order custom orthotics

**In-app purchases:** none


## Frequently asked questions

### Is Custom4U Ottobock free?

Custom4U Ottobock is free to download, with no in-app purchases.

### Is KLM Digital Casting free?

KLM Digital Casting is free to download, with no in-app purchases.

### Which has better reviews, Custom4U Ottobock or KLM Digital Casting?

KLM Digital Casting is rated higher. Custom4U Ottobock averages 1.0 out of 5 from 1 ratings, while KLM Digital Casting averages 3.7 from 3 ratings.

### Do Custom4U Ottobock or KLM Digital Casting have ads?

Neither Custom4U Ottobock nor KLM Digital Casting shows ads.

### Which is updated more often, Custom4U Ottobock or KLM Digital Casting?

Custom4U Ottobock ships an update monthly, and KLM Digital Casting every 3 months. Most recently, Custom4U Ottobock was updated on October 7, 2026 and KLM Digital Casting on October 3, 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.*