# Idea x Knock vs Xアイデア

The clearest difference is ads: Xアイデア at none against Idea x Knock's shown. Xアイデア also leads on iOS requirement (11.0 vs 13.0). Idea x Knock's advantage is update cadence (weekly vs every 3 months). On price, 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.

Idea x Knock ships an update weekly, Xアイデア every 3 months. The most recent releases landed on October 7, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | Idea x Knock | Xアイデア |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Weekly** | Every 3 months |
| Size | 23 MB | 68 MB |
| Requires iOS | 13.0 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Kosuke Shimada](https://appshunter.io/developer/1529796493) | [Share Data LLC](https://appshunter.io/developer/1560240897) |

## What reviewers say

### Idea x Knock

[App page](https://appshunter.io/ios/app/idea-x-knock/id1613942064)

**Features:** macOS Compatibility

**In-app purchases:** none


### Xアイデア

[App page](https://appshunter.io/ios/app/x/id6462816516)

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

**In-app purchases:** none


## Frequently asked questions

### Is Idea x Knock free?

Idea x Knock is free to download, with no in-app purchases.

### Is Xアイデア free?

Xアイデア is free to download, with no in-app purchases.

### Do Idea x Knock or Xアイデア have ads?

Idea x Knock shows ads; Xアイデア does not.

### Which is updated more often, Idea x Knock or Xアイデア?

Idea x Knock ships an update weekly, and Xアイデア every 3 months. Most recently, Idea x Knock was updated on October 7, 2026 and Xアイデア 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.*