# Muscle View vs FlexPro Grip

The clearest difference is rating: Muscle View at 5.0 against FlexPro Grip's 4.1. Muscle View also leads on review sentiment (100% vs 67%). FlexPro Grip's advantage is update cadence (weekly vs every 3 months) and ratings volume (27 vs 3). 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.

Muscle View holds the better App Store score, 5.0 against 4.1. That said, the two scores are not equally well evidenced: FlexPro Grip has 27 ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 100% of Muscle View's written reviews are positive against 67% of FlexPro Grip's.

Muscle View ships an update every 3 months, FlexPro Grip weekly. The most recent releases landed on October 13, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | Muscle View | FlexPro Grip |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/muscle-view/id1484269901/reviews)** | [4.1 (27 ratings)](https://appshunter.io/ios/app/flexpro-grip/id1630738994/reviews) |
| Number of ratings | 3 | **27** |
| Positive reviews | **100.0% of reviews** | 66.7% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Weekly** |
| Monetization | Free | Free |
| Size | 4 MB | 93 MB |
| Requires iOS | 18.0 | **15.1** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 9+ | 4+ |
| Developer | [Applied Neural Research Corp](https://appshunter.io/developer/1484269900) | [FlexProGrip](https://appshunter.io/developer/1596885871) |

## 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


### FlexPro Grip

[App page](https://appshunter.io/ios/app/flexpro-grip/id1630738994)

This app works with a specialized device to create customized training programs for baseball pitchers. It measures baseline strength and endurance to improve pitching performance, reduce injury risk, and accelerate recovery. Track your progress with saved workout history.

**Highlights:** Customized training protocols, Strength, endurance, and RPD testing, Objective data measurements, Injury risk reduction, Performance enhancement, Workout history tracking

**Features:** macOS Compatibility, 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 FlexPro Grip free?

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

### Which has better reviews, Muscle View or FlexPro Grip?

Muscle View is rated higher. Muscle View averages 5.0 out of 5 from 3 ratings, while FlexPro Grip averages 4.1 from 27 ratings.

### Do Muscle View or FlexPro Grip have ads?

Neither Muscle View nor FlexPro Grip shows ads.

### Which is updated more often, Muscle View or FlexPro Grip?

Muscle View ships an update every 3 months, and FlexPro Grip weekly. Most recently, Muscle View was updated on October 13, 2026 and FlexPro Grip on October 12, 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.*