# Custom4U Ottobock vs Synsys Soft

The clearest difference is rating: Synsys Soft at 3.0 against Custom4U Ottobock's 1.0. Custom4U Ottobock's advantage is update cadence (monthly vs every 4 months). On price, ratings volume, 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.

Synsys Soft holds the better App Store score, 3.0 against 1.0. Both are backed by a comparable volume of ratings — 1 and 2 respectively.

Custom4U Ottobock ships an update monthly, Synsys Soft every 4 months. The most recent releases landed on October 7, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | Custom4U Ottobock | Synsys Soft |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.0 (1 ratings)](https://appshunter.io/ios/app/custom4u-ottobock/id1451210370/reviews) | **[3.0 (2 ratings)](https://appshunter.io/ios/app/synsys-soft/id1568447406/reviews)** |
| Number of ratings | 1 | **2** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 4 months |
| Monetization | Free | Free |
| Size | 136 MB | 119 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 12+ |
| Developer | [TechMed 3D](https://appshunter.io/developer/964196047) | [Proteor](https://appshunter.io/developer/1061959922) |

## 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


### Synsys Soft

[App page](https://appshunter.io/ios/app/synsys-soft/id1568447406)

This application is designed for certified professionals to manage specific prostheses. It requires internet access and a compatible Apple device. Users must be registered on the e-Box Site to access its functionalities.

**Highlights:** Manage SYNSYS prostheses, Requires SYNSYS certification, Registered on e-Box Site, Internet connection required, Compatible with iPhone and iPad

**In-app purchases:** none


## Frequently asked questions

### Is Custom4U Ottobock free?

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

### Is Synsys Soft free?

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

### Which has better reviews, Custom4U Ottobock or Synsys Soft?

Synsys Soft is rated higher. Custom4U Ottobock averages 1.0 out of 5 from 1 ratings, while Synsys Soft averages 3.0 from 2 ratings.

### Do Custom4U Ottobock or Synsys Soft have ads?

Neither Custom4U Ottobock nor Synsys Soft shows ads.

### Which is updated more often, Custom4U Ottobock or Synsys Soft?

Custom4U Ottobock ships an update monthly, and Synsys Soft every 4 months. Most recently, Custom4U Ottobock was updated on October 7, 2026 and Synsys Soft on October 10, 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.*