# mTrigger Muscle Ball vs SmartCuffs

The clearest difference is review sentiment: mTrigger Muscle Ball at 67% against SmartCuffs's 21%. mTrigger Muscle Ball also leads on rating (4.3 vs 2.3). SmartCuffs's advantage is update cadence (monthly vs every 5 months) and ratings volume (37 vs 4). On price, ads, in-app purchases and monetization model there is nothing between them.

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

mTrigger Muscle Ball holds the better App Store score, 4.3 against 2.3. That said, the two scores are not equally well evidenced: SmartCuffs has 37 ratings behind it against 4, so its average is the more settled of the two. Written reviews point the same way: 67% of mTrigger Muscle Ball's written reviews are positive against 21% of SmartCuffs's.

mTrigger Muscle Ball ships an update every 5 months, SmartCuffs monthly. The most recent releases landed on October 24, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | mTrigger Muscle Ball | SmartCuffs |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (4 ratings)](https://appshunter.io/ios/app/mtrigger-muscle-ball/id1436093951/reviews)** | [2.3 (37 ratings)](https://appshunter.io/ios/app/smartcuffs/id1632227731/reviews) |
| Number of ratings | 4 | **37** |
| Positive reviews | **66.7% of reviews** | 20.8% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Monthly** |
| Monetization | Free | Free |
| Size | 76 MB | 37 MB |
| Requires iOS | 15.6 | **15.1** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 12+ |
| Developer | [mTrigger](https://appshunter.io/developer/1240335568) | [Smart Tools Plus, LLC](https://appshunter.io/developer/1520284709) |

## What reviewers say

### mTrigger Muscle Ball

[App page](https://appshunter.io/ios/app/mtrigger-muscle-ball/id1436093951)

Turn your muscle exercises into an interactive game. Control in-game elements by engaging specific muscle groups with a compatible biofeedback device. Navigate challenges and reach goals through targeted muscle activation.

**Highlights:** Gamified biofeedback therapy, Use muscle exercises as game controller, Navigate labyrinth challenges, Variety of tracks based on muscle groups, Adjust time parameters and reps

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

**In-app purchases:** none


### SmartCuffs

[App page](https://appshunter.io/ios/app/smartcuffs/id1632227731)

This app pairs with specialized cuffs to enable Blood Flow Restriction (BFR) training. BFR uses low-intensity exercise with reduced arterial flow to achieve results similar to high-intensity training, allowing for muscle growth and strength gains with lighter loads.

**Highlights:** Connects to SmartCuffs 4.0 devices, Enables Blood Flow Restriction (BFR) training, Supports low-intensity exercise, Utilizes TriPressure technology, Offers continuous BFR, Offers intermittent BFR, Offers resting BFR

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

**In-app purchases:** none


## Frequently asked questions

### Is mTrigger Muscle Ball free?

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

### Is SmartCuffs free?

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

### Which has better reviews, mTrigger Muscle Ball or SmartCuffs?

mTrigger Muscle Ball is rated higher. mTrigger Muscle Ball averages 4.3 out of 5 from 4 ratings, while SmartCuffs averages 2.3 from 37 ratings.

### Do mTrigger Muscle Ball or SmartCuffs have ads?

Neither mTrigger Muscle Ball nor SmartCuffs shows ads.

### Which is updated more often, mTrigger Muscle Ball or SmartCuffs?

mTrigger Muscle Ball ships an update every 5 months, and SmartCuffs monthly. Most recently, mTrigger Muscle Ball was updated on October 24, 2026 and SmartCuffs 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.*