# Pyi vs MSTY

The clearest difference is update cadence: Pyi at weekly against MSTY's every 6 months. Pyi also leads on device support (3 vs 1) and iOS requirement (13.0 vs 16.4). On price, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Pyi ships an update weekly, MSTY every 6 months. The most recent releases landed on October 9, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | Pyi | MSTY |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Weekly** | Every 6 months |
| Size | 24 MB | 66 MB |
| Requires iOS | **13.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [DIGISOFT (MYANMAR) COMPANY LIMITED](https://appshunter.io/developer/1248709683) | [BIG BEE COMPANY LIMITED](https://appshunter.io/developer/1529854590) |

## What reviewers say

### Pyi

[App page](https://appshunter.io/ios/app/pyi-twin-phyit/id6467381211)

**Features:** macOS Compatibility

**In-app purchases:** none


### MSTY

[App page](https://appshunter.io/ios/app/msty/id6755069108)

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

**In-app purchases:** none


## Frequently asked questions

### Is Pyi free?

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

### Is MSTY free?

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

### Do Pyi or MSTY have ads?

Neither Pyi nor MSTY shows ads.

### Which is updated more often, Pyi or MSTY?

Pyi ships an update weekly, and MSTY every 6 months. Most recently, Pyi was updated on October 9, 2026 and MSTY on October 16, 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.*