# TheLostKOSM vs TOPIA Live, 토피아라이브

The clearest difference is update cadence: TOPIA Live, 토피아라이브 at daily against TheLostKOSM's weekly. 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.

TheLostKOSM ships an update weekly, TOPIA Live, 토피아라이브 daily. Both last shipped on October 24, 2026.

## The numbers

| Metric | TheLostKOSM | TOPIA Live, 토피아라이브 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Weekly | **Daily** |
| Size | 173 MB | 30 MB |
| Requires iOS | 15.6 | **14.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Korea National Ocean Science Museum](https://appshunter.io/developer/1625817672) | [TOPIA Edutech Co., Ltd.](https://appshunter.io/developer/1678456203) |

## What reviewers say

### TheLostKOSM

[App page](https://appshunter.io/ios/app/thelostkosm/id1626500208)

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

**In-app purchases:** none


### TOPIA Live, 토피아라이브

[App page](https://appshunter.io/ios/app/topia-live/id6446613717)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is TheLostKOSM free?

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

### Is TOPIA Live, 토피아라이브 free?

TOPIA Live, 토피아라이브 is free to download, with no in-app purchases.

### Do TheLostKOSM or TOPIA Live, 토피아라이브 have ads?

Neither TheLostKOSM nor TOPIA Live, 토피아라이브 shows ads.

### Which is updated more often, TheLostKOSM or TOPIA Live, 토피아라이브?

TheLostKOSM ships an update weekly, and TOPIA Live, 토피아라이브 daily. Most recently, TheLostKOSM was updated on October 24, 2026 and TOPIA Live, 토피아라이브 on October 24, 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.*