# ポケット9マス思考 vs Yatta!

The clearest difference is update cadence: Yatta! at every 6 days against ポケット9マス思考's every 4 months. On price, ads, 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.

ポケット9マス思考 ships an update every 4 months, Yatta! every 6 days. The most recent releases landed on October 24, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | ポケット9マス思考 | Yatta! |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 85.7% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 6 days** |
| Monetization | Free | — |
| Size | 17 MB | 32 MB |
| Requires iOS | 15.6 | **15.1** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Clover Field Inc.](https://appshunter.io/developer/1347080215) | [Minako Uchida](https://appshunter.io/developer/6777361956) |

## What reviewers say

### ポケット9マス思考

[App page](https://appshunter.io/ios/app/9/id1577461159)

This free lifestyle app allows users to input and save their thoughts for achieving goals within a 9-square grid. You can also convert your created 9-square thinking charts into images for easy sharing and storage.

**Highlights:** Free to use, Input thoughts for goal achievement, Save and store thinking charts, Convert charts to images, Keyboard input for thoughts

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

**In-app purchases:** none


### Yatta!

[App page](https://appshunter.io/ios/app/yatta/id6799914685)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is ポケット9マス思考 free?

ポケット9マス思考 is free to download, with no in-app purchases.

### Is Yatta! free?

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

### Do ポケット9マス思考 or Yatta! have ads?

Neither ポケット9マス思考 nor Yatta! shows ads.

### Which is updated more often, ポケット9マス思考 or Yatta!?

ポケット9マス思考 ships an update every 4 months, and Yatta! every 6 days. Most recently, ポケット9マス思考 was updated on October 24, 2026 and Yatta! on October 10, 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.*