# OPEN vs 윈하이텍TBM

The clearest difference is device support: 윈하이텍TBM at 2 against OPEN's —. On price, in-app purchases and iOS requirement there is nothing between them.

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

## The numbers

| Metric | OPEN | 윈하이텍TBM |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | — | No |
| Update frequency | — | Weekly |
| Size | 1 MB | 24 MB |
| Requires iOS | 14.0 | **13.4** |
| Devices | — | **iPhone, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [JeongDeok Seo](https://appshunter.io/developer/1690160553) | [joonggil shin](https://appshunter.io/developer/1761310669) |

## What reviewers say

### OPEN

[App page](https://appshunter.io/ios/app/open-eyes/id6449876591)

**In-app purchases:** none


### 윈하이텍TBM

[App page](https://appshunter.io/ios/app/tbm/id6612021249)

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

**In-app purchases:** none


## Frequently asked questions

### Is OPEN free?

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

### Is 윈하이텍TBM free?

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

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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.*