# 오피스모바일 듀얼 vs AI 특허도우미

The clearest difference is update cadence: AI 특허도우미 at every 2 days against 오피스모바일 듀얼's every 3 months. AI 특허도우미 also leads on device support. 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.

오피스모바일 듀얼 ships an update every 3 months, AI 특허도우미 every 2 days. The most recent releases landed on October 30, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | 오피스모바일 듀얼 | AI 특허도우미 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | — | No |
| Update frequency | Every 3 months | **Every 2 days** |
| Size | 62 MB | 2 MB |
| Requires iOS | 15.6 | **15.0** |
| Devices | — | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [KT Corporation](https://appshunter.io/developer/335129223) | [JIYOON RYU KIM](https://appshunter.io/developer/6807737604) |

## What reviewers say

### 오피스모바일 듀얼

[App page](https://appshunter.io/ios/app/id6749609046)

**In-app purchases:** none


### AI 특허도우미

[App page](https://appshunter.io/ios/app/ai/id6807737602)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 오피스모바일 듀얼 free?

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

### Is AI 특허도우미 free?

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

### Which is updated more often, 오피스모바일 듀얼 or AI 특허도우미?

오피스모바일 듀얼 ships an update every 3 months, and AI 특허도우미 every 2 days. Most recently, 오피스모바일 듀얼 was updated on October 30, 2026 and AI 특허도우미 on October 31, 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.*