# memoChica vs Xアイデア

The clearest difference is ads: Xアイデア at none against memoChica's shown. Xアイデア also leads on iOS requirement (11.0 vs 16.6). memoChica's advantage is update cadence (every 3 weeks 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.

memoChica ships an update every 3 weeks, Xアイデア every 3 months. The most recent releases landed on October 13, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | memoChica | Xアイデア |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 82.4% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Every 3 weeks** | Every 3 months |
| Monetization | Free with in-app purchases | — |
| Size | 15 MB | 68 MB |
| Requires iOS | 16.6 | **11.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 12+ | 4+ |
| Developer | [Shinichiro Yamamoto](https://appshunter.io/developer/1118743580) | [Share Data LLC](https://appshunter.io/developer/1560240897) |

## What reviewers say

### memoChica

[App page](https://appshunter.io/ios/app/memochica-notes-for-ideas/id1118743581)

This app helps you rediscover your past thoughts and ideas. It randomly displays your saved memos, allowing you to revisit forgotten notes and gain new insights. Use it for brainstorming, journaling, or even as a fun way to recall information.

**Highlights:** Random memo display, View full memo text in list, Search memos by text, Share memos to other apps, "Furikaeru" retrospective function

**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 memoChica free?

memoChica 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 memoChica or Xアイデア have ads?

memoChica shows ads; Xアイデア does not.

### Which is updated more often, memoChica or Xアイデア?

memoChica ships an update every 3 weeks, and Xアイデア every 3 months. Most recently, memoChica was updated on October 13, 2026 and Xアイデア on October 25, 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.*