# Petrel Global vs Mykn

The clearest difference is update cadence: Petrel Global at every 5 weeks against Mykn's every 18 months. Petrel Global also leads on iOS requirement (12.0 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.

Petrel Global ships an update every 5 weeks, Mykn every 18 months. The most recent releases landed on October 8, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | Petrel Global | Mykn |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 weeks** | Every 18 months |
| Size | 25 MB | 85 MB |
| Requires iOS | **12.0** | 15.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 17+ | 17+ |
| Developer | [VERIMAG, OOO](https://appshunter.io/developer/1186230649) | [Amit Yadav](https://appshunter.io/developer/1739738140) |

## What reviewers say

### Petrel Global

[App page](https://appshunter.io/ios/app/petrel-global/id6503353980)

**Features:** macOS Compatibility

**In-app purchases:** none


### Mykn

[App page](https://appshunter.io/ios/app/mykn/id6511233678)

**In-app purchases:** none


## Frequently asked questions

### Is Petrel Global free?

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

### Is Mykn free?

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

### Do Petrel Global or Mykn have ads?

Neither Petrel Global nor Mykn shows ads.

### Which is updated more often, Petrel Global or Mykn?

Petrel Global ships an update every 5 weeks, and Mykn every 18 months. Most recently, Petrel Global was updated on October 8, 2026 and Mykn on October 11, 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.*