# mTrigger™ Biofeedback vs Spark PT & Performance

The clearest difference is iOS requirement: mTrigger™ Biofeedback at 12.0 against Spark PT & Performance's 15.1. On price, update cadence, 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.

mTrigger™ Biofeedback ships an update every 13 months, Spark PT & Performance every 9 months. The most recent releases landed on October 4, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | mTrigger™ Biofeedback | Spark PT & Performance |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (7 ratings)](https://appshunter.io/ios/app/mtrigger-biofeedback/id1240335569/reviews)** | — |
| Number of ratings | **7** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 13 months | **Every 9 months** |
| Monetization | Free | — |
| Size | 24 MB | 43 MB |
| Requires iOS | **12.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 12+ |
| Developer | [mTrigger](https://appshunter.io/developer/1240335568) | [Spark PT & Performance](https://appshunter.io/developer/1768846846) |

## 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


### Spark PT & Performance

[App page](https://appshunter.io/ios/app/spark-pt-and-performance/id6692608649)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is mTrigger™ Biofeedback free?

mTrigger™ Biofeedback is free to download, with no in-app purchases.

### Is Spark PT & Performance free?

Spark PT & Performance is free to download, with no in-app purchases.

### Do mTrigger™ Biofeedback or Spark PT & Performance have ads?

Neither mTrigger™ Biofeedback nor Spark PT & Performance shows ads.

### Which is updated more often, mTrigger™ Biofeedback or Spark PT & Performance?

mTrigger™ Biofeedback ships an update every 13 months, and Spark PT & Performance every 9 months. Most recently, mTrigger™ Biofeedback was updated on October 4, 2026 and Spark PT & Performance on September 30, 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.*