# 제로고 vs 루딘프

The clearest difference is iOS requirement: 제로고 at 9.0 against 루딘프's 13.0. On price, update cadence, 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.

제로고 ships an update weekly, 루딘프 every 11 days. The most recent releases landed on September 28, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | 제로고 | 루딘프 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Weekly** | Every 11 days |
| Size | 44 MB | 60 MB |
| Requires iOS | **9.0** | 13.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Zeroweb](https://appshunter.io/developer/918003237) | [Seung Hyun Oh](https://appshunter.io/developer/1896164753) |

## What reviewers say

### 제로고

[App page](https://appshunter.io/ios/app/zerogo/id1457800901)

**Features:** macOS Compatibility

**In-app purchases:** none


### 루딘프

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

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

**In-app purchases:** none


## Frequently asked questions

### Is 제로고 free?

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

### Is 루딘프 free?

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

### Do 제로고 or 루딘프 have ads?

Neither 제로고 nor 루딘프 shows ads.

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

제로고 ships an update weekly, and 루딘프 every 11 days. Most recently, 제로고 was updated on September 28, 2026 and 루딘프 on September 30, 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.*