# FlexPro Grip vs Oro Muscles

The clearest difference is update cadence: FlexPro Grip at weekly against Oro Muscles's every 6 weeks. FlexPro Grip also leads on iOS requirement (15.1 vs 17.0). On price, ads, in-app purchases and device support there is nothing between them.

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

FlexPro Grip ships an update weekly, Oro Muscles every 6 weeks. The most recent releases landed on October 12, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | FlexPro Grip | Oro Muscles |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.1 (27 ratings)](https://appshunter.io/ios/app/flexpro-grip/id1630738994/reviews)** | — |
| Number of ratings | **27** | — |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Weekly** | Every 6 weeks |
| Monetization | Free | — |
| Size | 93 MB | 76 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [FlexProGrip](https://appshunter.io/developer/1596885871) | [Oro Muscles, Inc.](https://appshunter.io/developer/1732659585) |

## What reviewers say

### 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


### Oro Muscles

[App page](https://appshunter.io/ios/app/oro-muscles/id6478384955)

**In-app purchases:** none


## Frequently asked questions

### Is FlexPro Grip free?

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

### Is Oro Muscles free?

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

### Do FlexPro Grip or Oro Muscles have ads?

Neither FlexPro Grip nor Oro Muscles shows ads.

### Which is updated more often, FlexPro Grip or Oro Muscles?

FlexPro Grip ships an update weekly, and Oro Muscles every 6 weeks. Most recently, FlexPro Grip was updated on October 12, 2026 and Oro Muscles on October 10, 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.*