# 동춘 서해&동일 vs 셀리온 스마트 AI

The clearest difference is update cadence: 셀리온 스마트 AI at every 3 weeks against 동춘 서해&동일's every 4 months. 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.

동춘 서해&동일 ships an update every 4 months, 셀리온 스마트 AI every 3 weeks. The most recent releases landed on October 9, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | 동춘 서해&동일 | 셀리온 스마트 AI |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 3 weeks** |
| Size | 23 MB | 87 MB |
| Requires iOS | 15.1 | **15.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Orora Platform Company](https://appshunter.io/developer/1593348188) | [에스피케어](https://appshunter.io/developer/1537929466) |

## What reviewers say

### 동춘 서해&동일

[App page](https://appshunter.io/ios/app/and/id6745761883)

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

**In-app purchases:** none


### 셀리온 스마트 AI

[App page](https://appshunter.io/ios/app/ai/id6755752417)

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

**In-app purchases:** none


## Frequently asked questions

### Is 동춘 서해&동일 free?

동춘 서해&동일 is free to download, with no in-app purchases.

### Is 셀리온 스마트 AI free?

셀리온 스마트 AI is free to download, with no in-app purchases.

### Do 동춘 서해&동일 or 셀리온 스마트 AI have ads?

Neither 동춘 서해&동일 nor 셀리온 스마트 AI shows ads.

### Which is updated more often, 동춘 서해&동일 or 셀리온 스마트 AI?

동춘 서해&동일 ships an update every 4 months, and 셀리온 스마트 AI every 3 weeks. Most recently, 동춘 서해&동일 was updated on October 9, 2026 and 셀리온 스마트 AI on October 15, 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.*