# PURIAMI vs EMS PRO ONE

The clearest difference is update cadence: EMS PRO ONE at every 3 months against PURIAMI's every 23 months. EMS PRO ONE also leads on iOS requirement (12 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.

PURIAMI ships an update every 23 months, EMS PRO ONE every 3 months. Both last shipped on November 4, 2026.

## The numbers

| Metric | PURIAMI | EMS PRO ONE |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 23 months | **Every 3 months** |
| Size | 3 MB | 24 MB |
| Requires iOS | 15.6 | **12** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [PURIAMI AG](https://appshunter.io/developer/1733811793) | [Markus Trocha](https://appshunter.io/developer/1770456913) |

## What reviewers say

### PURIAMI

[App page](https://appshunter.io/ios/app/puriami/id6478752743)

**Features:** macOS Compatibility

**In-app purchases:** none


### EMS PRO ONE

[App page](https://appshunter.io/ios/app/ems-pro-one/id6717588985)

**In-app purchases:** none


## Frequently asked questions

### Is PURIAMI free?

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

### Is EMS PRO ONE free?

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

### Do PURIAMI or EMS PRO ONE have ads?

Neither PURIAMI nor EMS PRO ONE shows ads.

### Which is updated more often, PURIAMI or EMS PRO ONE?

PURIAMI ships an update every 23 months, and EMS PRO ONE every 3 months. Most recently, PURIAMI was updated on November 4, 2026 and EMS PRO ONE on November 4, 2026.

---

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