# Massage One vs PrimalOS

The clearest difference is update cadence: PrimalOS at every 2 weeks against Massage One's every 2 months. Massage One's advantage is iOS requirement (9.0 vs 15.6). 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.

Massage One ships an update every 2 months, PrimalOS every 2 weeks. The most recent releases landed on October 4, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | Massage One | PrimalOS |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 2 weeks** |
| Size | 70 MB | 106 MB |
| Requires iOS | **9.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPod, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [MINDBODY, Incorporated](https://appshunter.io/developer/472317932) | [O'Neill Development LLC](https://appshunter.io/developer/1855551360) |

## What reviewers say

### Massage One

[App page](https://appshunter.io/ios/app/massage-one/id1126996556)

**Features:** macOS Compatibility

**In-app purchases:** none


### PrimalOS

[App page](https://appshunter.io/ios/app/primalos/id6745167385)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Massage One free?

Massage One is free to download, with no in-app purchases.

### Is PrimalOS free?

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

### Do Massage One or PrimalOS have ads?

Neither Massage One nor PrimalOS shows ads.

### Which is updated more often, Massage One or PrimalOS?

Massage One ships an update every 2 months, and PrimalOS every 2 weeks. Most recently, Massage One was updated on October 4, 2026 and PrimalOS on October 5, 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.*