# 폐기노트 vs AI 특허도우미

The clearest difference is update cadence: AI 특허도우미 at every 2 days against 폐기노트's every 4 weeks. 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.

폐기노트 ships an update every 4 weeks, AI 특허도우미 every 2 days. The most recent releases landed on October 17, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | 폐기노트 | AI 특허도우미 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 weeks | **Every 2 days** |
| Size | 29 MB | 2 MB |
| Requires iOS | **14.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Jongwon Choi](https://appshunter.io/developer/1634732750) | [JIYOON RYU KIM](https://appshunter.io/developer/6807737604) |

## What reviewers say

### 폐기노트

[App page](https://appshunter.io/ios/app/id1634732748)

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

**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 폐기노트 free?

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

### Is AI 특허도우미 free?

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

### Do 폐기노트 or AI 특허도우미 have ads?

Neither 폐기노트 nor AI 특허도우미 shows ads.

### Which is updated more often, 폐기노트 or AI 특허도우미?

폐기노트 ships an update every 4 weeks, and AI 특허도우미 every 2 days. Most recently, 폐기노트 was updated on October 17, 2026 and AI 특허도우미 on October 16, 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.*