# Ramen Rader vs Koudo

The clearest difference is update cadence: Ramen Rader at every 2 days against Koudo's every 5 days. Koudo's advantage is iOS requirement (13.0 vs 17.0). On ads, in-app purchases and device support there is nothing between them.

Ramen Rader ships an update every 2 days, Koudo every 5 days. The most recent releases landed on October 25, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Ramen Rader | Koudo |
| --- | --- | --- |
| Price | **Free** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 days** | Every 5 days |
| Size | 1 MB | 25 MB |
| Requires iOS | 17.0 | **13.0** |
| Devices | iPhone, Apple Watch | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Takehiko Kawazu](https://appshunter.io/developer/1887832276) | [Hajime Kato](https://appshunter.io/developer/6779136342) |

## What reviewers say

### Ramen Rader

[App page](https://appshunter.io/ios/app/ramen-rader/id6761112896)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none


### Koudo

[App page](https://appshunter.io/ios/app/koudo/id6779136340)

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

**In-app purchases:** none


## Frequently asked questions

### Is Ramen Rader free?

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

### Is Koudo free?

Pricing for Koudo is not currently listed on the App Store.

### Do Ramen Rader or Koudo have ads?

Neither Ramen Rader nor Koudo shows ads.

### Which is updated more often, Ramen Rader or Koudo?

Ramen Rader ships an update every 2 days, and Koudo every 5 days. Most recently, Ramen Rader was updated on October 25, 2026 and Koudo on October 28, 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.*