Custom4U Ottobock vs Synsys
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Custom4U Ottobock
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.
- 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
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This app uses the Structure SDK / TrueDepth camera for 3D scanning. Supported device list (updated regularly): https://techmed3d.zohodesk.com/portal/en/kb/articles/minimun-device-requirements The Ottobock Custom4U App is a portable, versatile and easy to use solution for lower limb 3D scanning for custom-made liners. Perform a scan quickly with an iPad utilizing an attached Structure Sensor™. The intuitive and ergonomic interface allows an easy scanning process. The resulting scans can be sent directly to Ottobock for fast fabrication of custom liners. Custom4U App combined with the Structure Sensor™ is currently designed to scan: • Below the knee (BK) limb – Transtibial For further information, please contact your O&P professional or uscustomerservice@ottobock.com
Synsys
This app is designed exclusively for managing SYNSYS prostheses. Users require setup by a certified professional and internet access on a compatible Apple device. It facilitates user connections and details generated through the prosthesis.
- Manages SYNSYS prostheses
- Requires certified professional setup
- Internet access needed
- Compatible with iPhone and iPad
- Generates user connections and details
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The APP SYNSYS Application only manages SYNSYS prostheses and no others. The User of the Application must be set up by a SYNSYS certified professional who is registered as such on the e-Box Site. To access the Application the User needs a compatible iPhone or iPad and access to the internet. The Application is free to download from the Apple Store. The costs of the equipment, the internet connection and the relevant subscriptions with operators and access providers needed to access the Services are paid by the User. The User generates their connections and user details for APP SYNSYS thanks to the SYNSYS prosthesis. The User undertakes to provide genuine information in good faith when registering; PROTEOR cannot be held liable for the consequences of incomplete, inexact or untruthful information provided by the User. The Application may be updated and may in due course offer new functionalities or new services; the User will be responsible for downloading and installing both the initial and any new versions.
Screenshots
Verdict
The clearest difference is update cadence: Custom4U Ottobock at monthly against Synsys's every 4 months. On price, rating, ratings volume and ads there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
On the App Store both sit at effectively the same score — 1.0 for Custom4U Ottobock against 1.0 for Synsys. Both are backed by a comparable volume of ratings — 1 and 1 respectively.
Custom4U Ottobock ships an update monthly, Synsys every 4 months. The most recent releases landed on October 7, 2026 and October 16, 2026 respectively.
| Parameter | Custom4U Ottobock | Synsys |
|---|---|---|
| Price | Free | Free |
| Rating | 1.0 (1 ratings) | 1.0 (1 ratings) |
| Number of ratings | 1 | 1 |
| Update frequency | Monthly — better | Every 4 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.0 | 15.0 |
| Further details — not scored | ||
| Size | 136 MB | 114 MB |
| Age rating | 17+ | 4+ |
| Developer | TechMed 3D | Proteor |
Customer experience
Custom4U Ottobock
Synsys
In-app purchases
Custom4U Ottobock
No in-app purchases
Synsys
No in-app purchases









