# mTrigger™ Biofeedback vs OpenCap

The clearest difference is iOS requirement: mTrigger™ Biofeedback at 12.0 against OpenCap's 15.6. 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 mTrigger™ Biofeedback against 5.0 for OpenCap. Both are backed by a comparable volume of ratings — 7 and 4 respectively.

mTrigger™ Biofeedback ships an update every 13 months, OpenCap every 7 months. The most recent releases landed on July 4, 2026 and September 8, 2026 respectively.

## The numbers

| Metric | mTrigger™ Biofeedback | OpenCap |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (7 ratings)](https://appshunter.io/ios/app/mtrigger-biofeedback/id1240335569/reviews) | [5.0 (4 ratings)](https://appshunter.io/ios/app/opencap/id1630513242/reviews) |
| Number of ratings | **7** | 4 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 13 months | **Every 7 months** |
| Monetization | Free | Free |
| Size | 24 MB | 6 MB |
| Requires iOS | **12.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 4+ |
| Developer | [mTrigger](https://appshunter.io/developer/1240335568) | [Model Health, Inc.](https://appshunter.io/developer/1252127888) |

## What reviewers say

### mTrigger™ Biofeedback

[App page](https://appshunter.io/ios/app/mtrigger-biofeedback/id1240335569)

This mobile application connects to a biofeedback device to monitor muscle activity. It allows users to train, play, and track progress towards recovery with real-time performance feedback for rehabilitation programs.

**Highlights:** Connects to mTrigger Biofeedback Device, Multi-channel EMG muscle monitoring, Customizable training settings, Progress tracking for recovery, Real-time performance feedback, Use in PT clinics or at home

**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

**In-app purchases:** none


## Frequently asked questions

### Is mTrigger™ Biofeedback free?

mTrigger™ Biofeedback 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, mTrigger™ Biofeedback or OpenCap?

mTrigger™ Biofeedback and OpenCap are both rated 5.0 out of 5 on the App Store, from 7 and 4 ratings respectively.

### Do mTrigger™ Biofeedback or OpenCap have ads?

Neither mTrigger™ Biofeedback nor OpenCap shows ads.

### Which is updated more often, mTrigger™ Biofeedback or OpenCap?

mTrigger™ Biofeedback ships an update every 13 months, and OpenCap every 7 months. Most recently, mTrigger™ Biofeedback was updated on July 4, 2026 and OpenCap on September 8, 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.*