# RoE (Ro vs 태백석탄박물관

The clearest difference is update cadence: 태백석탄박물관 at every 6 weeks against RoE (Ro's every 4 months. 태백석탄박물관 also leads on iOS requirement (13.0 vs 15.0). 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.

RoE (Ro ships an update every 4 months, 태백석탄박물관 every 6 weeks. The most recent releases landed on September 26, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | RoE (Ro | 태백석탄박물관 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 6 weeks** |
| Size | 298 MB | 270 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 9+ | 4+ |
| Developer | [ROBOROBO Co.,Ltd](https://appshunter.io/developer/942989164) | [Bonghyun Seo](https://appshunter.io/developer/621242124) |

## What reviewers say

### RoE (Ro

[App page](https://appshunter.io/ios/app/roe-ro-e/id1610047236)

**Features:** macOS Compatibility

**In-app purchases:** none


### 태백석탄박물관

[App page](https://appshunter.io/ios/app/id1617558395)

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

**In-app purchases:** none


## Frequently asked questions

### Is RoE (Ro free?

RoE (Ro is free to download, with no in-app purchases.

### Is 태백석탄박물관 free?

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

### Do RoE (Ro or 태백석탄박물관 have ads?

Neither RoE (Ro nor 태백석탄박물관 shows ads.

### Which is updated more often, RoE (Ro or 태백석탄박물관?

RoE (Ro ships an update every 4 months, and 태백석탄박물관 every 6 weeks. Most recently, RoE (Ro was updated on September 26, 2026 and 태백석탄박물관 on October 3, 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.*