# Orthelligent PRO vs eSense Muscle

The clearest difference is device support: eSense Muscle at 3 against Orthelligent PRO's 1. eSense Muscle also leads on iOS requirement (13.0 vs 15.6). 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.

Orthelligent PRO ships an update every 6 weeks, eSense Muscle every 5 weeks. The most recent releases landed on October 4, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Orthelligent PRO | eSense Muscle |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 5 weeks** |
| Size | 462 MB | 1 MB |
| Requires iOS | 15.6 | **13.0** |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [OPED GmbH](https://appshunter.io/developer/571889466) | [Mindfield Biosystems Ltd.](https://appshunter.io/developer/496503507) |

## What reviewers say

### Orthelligent PRO

[App page](https://appshunter.io/ios/app/orthelligent-pro/id1393926357)

**In-app purchases:** none


### eSense Muscle

[App page](https://appshunter.io/ios/app/esense-muscle/id1563762101)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Orthelligent PRO free?

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

### Is eSense Muscle free?

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

### Do Orthelligent PRO or eSense Muscle have ads?

Neither Orthelligent PRO nor eSense Muscle shows ads.

### Which is updated more often, Orthelligent PRO or eSense Muscle?

Orthelligent PRO ships an update every 6 weeks, and eSense Muscle every 5 weeks. Most recently, Orthelligent PRO was updated on October 4, 2026 and eSense Muscle on October 7, 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.*