# Orion3 Programming App vs Open Bionics Sidekick

The clearest difference is rating: Open Bionics Sidekick at 5.0 against Orion3 Programming App's 3.0. Open Bionics Sidekick also leads on update cadence (every 2 months vs every 6 months) and ratings volume (4 vs 1). Orion3 Programming App's advantage is iOS requirement (9.0 vs 15.1). On price, review sentiment, 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.

Open Bionics Sidekick holds the better App Store score, 5.0 against 3.0. Both are backed by a comparable volume of ratings — 1 and 4 respectively. Written reviews split almost evenly too, at 0% and 0% positive.

Orion3 Programming App ships an update every 6 months, Open Bionics Sidekick every 2 months. The most recent releases landed on September 12, 2026 and July 23, 2026 respectively.

## The numbers

| Metric | Orion3 Programming App | Open Bionics Sidekick |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.0 (1 ratings)](https://appshunter.io/ios/app/orion3-programming-app/id1374413014/reviews) | **[5.0 (4 ratings)](https://appshunter.io/ios/app/open-bionics-sidekick/id1565393107/reviews)** |
| Number of ratings | 1 | **4** |
| Positive reviews | 0.0% of reviews | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 2 months** |
| Monetization | Free | Free |
| Size | 21 MB | 89 MB |
| Requires iOS | **9.0** | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 12+ | 4+ |
| Developer | [Blatchford Products Ltd](https://appshunter.io/developer/1013187208) | [Open Bionics](https://appshunter.io/developer/1565393109) |

## What reviewers say

### Orion3 Programming App

[App page](https://appshunter.io/ios/app/orion3-programming-app/id1374413014)

This application allows clinicians to configure prosthetic knees for end users. It requires completion of approved training and an authorization code. The app meets regulatory requirements for medical devices in major regions.

**Highlights:** Configure Orion3 and Orion3 V2 prosthetic knees, Optimal configuration for end users, Requires clinician training, Authorization code needed, Meets medical device regulations

**In-app purchases:** none


### 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


## Frequently asked questions

### Is Orion3 Programming App free?

Orion3 Programming App is free to download, with no in-app purchases.

### Is Open Bionics Sidekick free?

Open Bionics Sidekick is free to download, with no in-app purchases.

### Which has better reviews, Orion3 Programming App or Open Bionics Sidekick?

Open Bionics Sidekick is rated higher. Orion3 Programming App averages 3.0 out of 5 from 1 ratings, while Open Bionics Sidekick averages 5.0 from 4 ratings.

### Do Orion3 Programming App or Open Bionics Sidekick have ads?

Neither Orion3 Programming App nor Open Bionics Sidekick shows ads.

### Which is updated more often, Orion3 Programming App or Open Bionics Sidekick?

Orion3 Programming App ships an update every 6 months, and Open Bionics Sidekick every 2 months. Most recently, Orion3 Programming App was updated on September 12, 2026 and Open Bionics Sidekick on July 23, 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.*