# Iron Orr vs Proprioceptive Solutions

The clearest difference is ads: Iron Orr at none against Proprioceptive Solutions's shown. Iron Orr also leads on update cadence (every 2 months vs every 8 months). Proprioceptive Solutions's advantage is iOS requirement (14.0 vs 16.0). On price, 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.

Iron Orr ships an update every 2 months, Proprioceptive Solutions every 8 months. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Iron Orr | Proprioceptive Solutions |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/iron-orr/id6471084412/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Every 2 months** | Every 8 months |
| Monetization | Ad-supported | — |
| Size | 197 MB | 118 MB |
| Requires iOS | 16.0 | **14.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Iron Orr Fitness](https://appshunter.io/developer/1514503619) | [Proprioceptive Solutions, LLC](https://appshunter.io/developer/1779747837) |

## What reviewers say

### Iron Orr

[App page](https://appshunter.io/ios/app/iron-orr/id6471084412)

Plan and schedule personal training sessions directly from your mobile device. View class schedules, sign up for sessions, check in, and access studio location information. Optimize your fitness routine with convenient booking.

**Highlights:** Schedule personal training sessions, View class schedules, Sign up for training, Scan and check in for sessions, View available sessions, Access studio location

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

**In-app purchases:** none


### Proprioceptive Solutions

[App page](https://appshunter.io/ios/app/proprioceptive-solutions/id6738202780)

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases:** none


## Frequently asked questions

### Is Iron Orr free?

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

### Is Proprioceptive Solutions free?

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

### Do Iron Orr or Proprioceptive Solutions have ads?

Proprioceptive Solutions shows ads; Iron Orr does not.

### Which is updated more often, Iron Orr or Proprioceptive Solutions?

Iron Orr ships an update every 2 months, and Proprioceptive Solutions every 8 months. Most recently, Iron Orr was updated on October 24, 2026 and Proprioceptive Solutions on October 25, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*