# Muscle View vs OpenCap

The clearest difference is iOS requirement: OpenCap at 15.6 against Muscle View's 18.0. On price, rating, ratings volume and update cadence there is nothing between them.

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

On the App Store both sit at effectively the same score — 5.0 for Muscle View against 5.0 for OpenCap. Both are backed by a comparable volume of ratings — 3 and 5 respectively.

Muscle View ships an update every 3 months, OpenCap every 4 months. The most recent releases landed on October 13, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | Muscle View | OpenCap |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (3 ratings)](https://appshunter.io/ios/app/muscle-view/id1484269901/reviews) | [5.0 (5 ratings)](https://appshunter.io/ios/app/opencap/id1630513242/reviews) |
| Number of ratings | 3 | **5** |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 4 months |
| Monetization | Free | Free |
| Size | 4 MB | 6 MB |
| Requires iOS | 18.0 | **15.6** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 9+ | 4+ |
| Developer | [Applied Neural Research Corp](https://appshunter.io/developer/1484269900) | [Model Health, Inc.](https://appshunter.io/developer/1252127888) |

## What reviewers say

### Muscle View

[App page](https://appshunter.io/ios/app/muscle-view/id1484269901)

Visualize muscle activation levels in real-time using wearable EMG sensors. Track and export session data with audio and haptic biofeedback. Connect up to six devices simultaneously for comprehensive analysis.

**Highlights:** Real-time EMG readings, Bar and chart visualization, Session data logging, Audio and haptic biofeedback, Supports up to 6 devices, Bluetooth connectivity

**Features:** macOS Compatibility

**In-app purchases:** none


### OpenCap

[App page](https://appshunter.io/ios/app/opencap/id1630513242)

Capture 3D human movement data using your iOS device's camera. Analyze biomechanics through a comprehensive system including an app, web platform, and cloud computing.

**Highlights:** 3D human movement capture, iOS video recording, Web-based data collection, Biomechanical analysis, Cloud computing integration

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Muscle View free?

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

### Is OpenCap free?

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

### Which has better reviews, Muscle View or OpenCap?

Muscle View and OpenCap are both rated 5.0 out of 5 on the App Store, from 3 and 5 ratings respectively.

### Do Muscle View or OpenCap have ads?

Neither Muscle View nor OpenCap shows ads.

### Which is updated more often, Muscle View or OpenCap?

Muscle View ships an update every 3 months, and OpenCap every 4 months. Most recently, Muscle View was updated on October 13, 2026 and OpenCap on October 15, 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.*