# Biosim vs Control Companion®

The clearest difference is rating: Control Companion® at 5.0 against Biosim's 2.3. Control Companion® also leads on update cadence (every 2 months vs every 5 months). Biosim's advantage is iOS requirement (12.1 vs 15.0). On price, ratings volume, 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.

Control Companion® holds the better App Store score, 5.0 against 2.3. Both are backed by a comparable volume of ratings — 3 and 8 respectively.

Biosim ships an update every 5 months, Control Companion® every 2 months. The most recent releases landed on November 1, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Biosim | Control Companion® |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.3 (3 ratings)](https://appshunter.io/ios/app/biosim/id622776961/reviews) | **[5.0 (8 ratings)](https://appshunter.io/ios/app/control-companion/id1578333990/reviews)** |
| Number of ratings | 3 | **8** |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 2 months** |
| Monetization | Free | Free |
| Size | 51 MB | 227 MB |
| Requires iOS | **12.1** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Touch Bionics, Inc.](https://appshunter.io/developer/622776964) | [Coapt](https://appshunter.io/developer/1451971962) |

## What reviewers say

### Biosim

[App page](https://appshunter.io/ios/app/biosim/id622776961)

This application allows clinicians to customize prosthetic devices for clients on the go. It offers various grip options, favorite lists, hand health checks, and real-time muscle signal viewing.

**Highlights:** Customize prosthesis on the move, Access 24 quick grips and 12 customizable grips, Create favorite lists and triggers, Activate hand health check, View real-time muscle signals, Apply firmware updates

**In-app purchases:** none


### Control Companion®

[App page](https://appshunter.io/ios/app/control-companion/id1578333990)

This app helps users of upper limb prostheses calibrate, set up, and practice controlling their devices. It offers real-time feedback, diagnostic tools, and AI-powered coaching to improve prosthesis control.

**Highlights:** Real-time myoelectric pattern display, AI-powered calibration coaching, Manual prosthesis motion testing, Customizable motion selection, Calibration data management, Diagnostic wiring feedback

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Biosim free?

Biosim is free to download, with no in-app purchases.

### Is Control Companion® free?

Control Companion® is free to download, with no in-app purchases.

### Which has better reviews, Biosim or Control Companion®?

Control Companion® is rated higher. Biosim averages 2.3 out of 5 from 3 ratings, while Control Companion® averages 5.0 from 8 ratings.

### Do Biosim or Control Companion® have ads?

Neither Biosim nor Control Companion® shows ads.

### Which is updated more often, Biosim or Control Companion®?

Biosim ships an update every 5 months, and Control Companion® every 2 months. Most recently, Biosim was updated on November 1, 2026 and Control Companion® on November 3, 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.*