Comparison

Custom4U Ottobock vs Synsys

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

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.

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
Read full description

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

About

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.

Highlights
  • Manages SYNSYS prostheses
  • Requires certified professional setup
  • Internet access needed
  • Compatible with iPhone and iPad
  • Generates user connections and details
Features
Read full description

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

Custom4U Ottobock1 screens
Synsys4 screens

Verdict

The call

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

CostPrice · In-app purchases · Ads · Monetization

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

ReceptionRating · Positive reviews · Number of ratings

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.

UpkeepUpdate frequency

Custom4U Ottobock ships an update monthly, Synsys every 4 months. The most recent releases landed on October 7, 2026 and October 16, 2026 respectively.

Scorecard1 real difference · 8 level
Custom4U Ottobock versus Synsys: the parameters behind the verdict, then further details
ParameterCustom4U OttobockSynsys
PriceFreeFree
Rating1.0 (1 ratings)1.0 (1 ratings)
Number of ratings11
Update frequencyMonthly — betterEvery 4 months
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.015.0
Further details — not scored
Size136 MB114 MB
Age rating17+4+
DeveloperTechMed 3DProteor

Customer experience

Custom4U Ottobock

All ratings1 ratings
Positive0.0%
Neutral0.0%
Negative100.0%

Synsys

All ratings1 ratings
Positive0.0%
Neutral0.0%
Negative100.0%

In-app purchases

None

Custom4U Ottobock

No in-app purchases

None

Synsys

No in-app purchases

Questions

Is Custom4U Ottobock free?
Custom4U Ottobock is free to download, with no in-app purchases.
Is Synsys free?
Synsys is free to download, with no in-app purchases.
Which has better reviews, Custom4U Ottobock or Synsys?
Custom4U Ottobock and Synsys are both rated 1.0 out of 5 on the App Store, from 1 and 1 ratings respectively.
Do Custom4U Ottobock or Synsys have ads?
Neither Custom4U Ottobock nor Synsys shows ads.
Which is updated more often, Custom4U Ottobock or Synsys?
Custom4U Ottobock ships an update monthly, and Synsys every 4 months. Most recently, Custom4U Ottobock was updated on October 7, 2026 and Synsys on October 16, 2026.

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