Össur Logic vs KalAssist
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Össur Logic
This app provides prosthetists with intuitive tools for setting up bionic prostheses. Users can monitor battery levels, track steps, and access configurations and instructions for use.
- Prosthesis setup for prosthetists
- Battery level monitoring
- Step count tracking
- User configuration access
- Latest instructions for use
Read full descriptionHide full description
Össur introduces Össur Logic, the smart app for Össur Bionic prosthesis. For prosthetists, it provides full, intuitive and efficient access to setting up the prosthesis. For users, it offers insight into useful parameters like battery level and step count as well as access to configurations and the latest instructions for use.
KalAssist
Read full descriptionHide full description
KalAssist® - Enhancing the User Experience for KalArm®! KalAssist® by Makers Hive is a mobile application that acts as a visual bridge between KalArm® and its users, enhancing the user experience of KalArm®. Explore many elements of KalArm® such as health status monitoring, over-the-air firmware updates, visualization of your EMG data, battery level notification, creation of custom grips, testing grip accuracy, and complaint raising in the event of any issues with the Hand. Customize Your Own Grip Patterns Create your own CUSTOM GRIPS that are tailored to your own lifestyle, in addition to the 18 pre-defined grips in the Hand. Upload the grips to the cloud and access them whenever you want. Test Accuracy of Your Grips To evaluate the correct functioning of your device, test the accuracy of your grips. Get Direct Visuals of Your EMG Signals Real-time graphs allow you to assess the strength of your EMG signals. Check Your Device Health Check to see if your device's battery, motors, and EMG sensors are operating effectively. Firmware Updates Over-the-Air Firmware Updates made available on the KalAssist® Application on a regular basis allows you to update your device without the hassle of going to a repair shop. View Latest Tutorials of KalArm® Check out the latest KalArm® Bionic Hand Usage Tutorials. Amputees who have KalArm® can use the KalAssist® App. It is also offered for usage for Clinicians, Counselors, and Makers Hive Product Support Executives in addition to the Amputees.
Screenshots
Verdict
The clearest difference is update cadence: Össur Logic at monthly against KalAssist's every 2 months. On price, ads, in-app purchases and device support 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.
Össur Logic ships an update monthly, KalAssist every 2 months. The most recent releases landed on October 29, 2026 and October 19, 2026 respectively.
| Parameter | Össur Logic | KalAssist |
|---|---|---|
| Price | Free | Free |
| Rating | 2.4 (25 ratings) — better | — |
| Positive reviews | 17.2% of reviews | — |
| Number of ratings | 25 — better | — |
| Update frequency | Monthly — better | Every 2 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 13.0 — better | 14.0 |
| Further details — not scored | ||
| Size | 27 MB | 44 MB |
| Age rating | 12+ | 4+ |
| Developer | Ossur Americas | Makers Hive Innovations Private Limited |
In-app purchases
Össur Logic
No in-app purchases
KalAssist
No in-app purchases






