# Open Bionics Sidekick vs Synsys

The clearest difference is rating: Open Bionics Sidekick at 5.0 against Synsys's 1.0. Open Bionics Sidekick also leads on update cadence (every 2 months vs every 4 months) and ratings volume (4 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.

Open Bionics Sidekick holds the better App Store score, 5.0 against 1.0. Both are backed by a comparable volume of ratings — 4 and 1 respectively.

Open Bionics Sidekick ships an update every 2 months, Synsys every 4 months. The most recent releases landed on October 17, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | Open Bionics Sidekick | Synsys |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (4 ratings)](https://appshunter.io/ios/app/open-bionics-sidekick/id1565393107/reviews)** | [1.0 (1 ratings)](https://appshunter.io/ios/app/synsys/id1568455886/reviews) |
| Number of ratings | **4** | 1 |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 4 months |
| Monetization | Free | Free |
| Size | 104 MB | 114 MB |
| Requires iOS | 15.1 | **15.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Open Bionics](https://appshunter.io/developer/1565393109) | [Proteor](https://appshunter.io/developer/1061959922) |

## What reviewers say

### Open Bionics Sidekick

[App page](https://appshunter.io/ios/app/open-bionics-sidekick/id1565393107)

This app supports users of advanced prosthetic limbs with guided exercises and personalized training programs. Access expert tips through a video library and track your progress to optimize your bionic experience. Customize your device for maximum benefit.

**Highlights:** Guided exercises, Personalized training programs, Searchable video library, Progress tracking, Device customization

**Features:** Vision Pro support

**In-app purchases:** none


### Synsys

[App page](https://appshunter.io/ios/app/synsys/id1568455886)

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:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Open Bionics Sidekick free?

Open Bionics Sidekick 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, Open Bionics Sidekick or Synsys?

Open Bionics Sidekick is rated higher. Open Bionics Sidekick averages 5.0 out of 5 from 4 ratings, while Synsys averages 1.0 from 1 ratings.

### Do Open Bionics Sidekick or Synsys have ads?

Neither Open Bionics Sidekick nor Synsys shows ads.

### Which is updated more often, Open Bionics Sidekick or Synsys?

Open Bionics Sidekick ships an update every 2 months, and Synsys every 4 months. Most recently, Open Bionics Sidekick was updated on October 17, 2026 and Synsys on October 16, 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.*