# 루딘프 vs 유미

The clearest difference is update cadence: 유미 at daily against 루딘프's every 11 days. 루딘프's advantage is device support (3 vs 1) and iOS requirement (13.0 vs 16.4). On price, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

루딘프 ships an update every 11 days, 유미 daily. The most recent releases landed on October 25, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | 루딘프 | 유미 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 11 days | **Daily** |
| Size | 60 MB | 57 MB |
| Requires iOS | **13.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [Seung Hyun Oh](https://appshunter.io/developer/1896164753) | [kwon geun park](https://appshunter.io/developer/6777161914) |

## What reviewers say

### 루딘프

[App page](https://appshunter.io/ios/app/ai/id6766019247)

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

**In-app purchases:** none


### 유미

[App page](https://appshunter.io/ios/app/id6798161425)

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

**In-app purchases:** none


## Frequently asked questions

### Is 루딘프 free?

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

### Is 유미 free?

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

### Do 루딘프 or 유미 have ads?

Neither 루딘프 nor 유미 shows ads.

### Which is updated more often, 루딘프 or 유미?

루딘프 ships an update every 11 days, and 유미 daily. Most recently, 루딘프 was updated on October 25, 2026 and 유미 on October 31, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*