# The Centered Stone vs PRIMe Performance & Physio MT

The clearest difference is ads: The Centered Stone at none against PRIMe Performance & Physio MT's shown. The Centered Stone also leads on update cadence (every 3 weeks vs every 2 months). PRIMe Performance & Physio MT'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.

The Centered Stone ships an update every 3 weeks, PRIMe Performance & Physio MT every 2 months. The most recent releases landed on October 24, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | The Centered Stone | PRIMe Performance & Physio MT |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Every 3 weeks** | Every 2 months |
| Size | 191 MB | 130 MB |
| Requires iOS | 16.0 | **14.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [The Centered Stone](https://appshunter.io/developer/1601863986) | [Prime Therapies, Inc](https://appshunter.io/developer/1631300038) |

## What reviewers say

### The Centered Stone

[App page](https://appshunter.io/ios/app/the-centered-stone/id1235148694)

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

**In-app purchases:** none


### PRIMe Performance & Physio MT

[App page](https://appshunter.io/ios/app/prime-performance-and-physio-mt/id1631300036)

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases:** none


## Frequently asked questions

### Is The Centered Stone free?

The Centered Stone is free to download, with no in-app purchases.

### Is PRIMe Performance & Physio MT free?

PRIMe Performance & Physio MT is free to download, with no in-app purchases.

### Do The Centered Stone or PRIMe Performance & Physio MT have ads?

PRIMe Performance & Physio MT shows ads; The Centered Stone does not.

### Which is updated more often, The Centered Stone or PRIMe Performance & Physio MT?

The Centered Stone ships an update every 3 weeks, and PRIMe Performance & Physio MT every 2 months. Most recently, The Centered Stone was updated on October 24, 2026 and PRIMe Performance & Physio MT on October 30, 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.*