# 考える力を考えよう vs Brain Forest

The clearest difference is ads: 考える力を考えよう at none against Brain Forest's shown. Brain Forest's advantage is update cadence (weekly vs every 20 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. 考える力を考えよう sells 1 one-off in-app purchase and Brain Forest sells 2 in-app purchases, starting at $3.00 per month. Whichever you choose, the download price is not the number that matters.

考える力を考えよう ships an update every 20 months, Brain Forest weekly. The most recent releases landed on November 1, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | 考える力を考えよう | Brain Forest |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 20 months | **Weekly** |
| Size | 14 MB | 57 MB |
| Requires iOS | 13.0 | **12.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Wada System, K.K](https://appshunter.io/developer/576215741) | [SHOGO YOSHIDA](https://appshunter.io/developer/1713295271) |

## What reviewers say

### 考える力を考えよう

[App page](https://appshunter.io/ios/app/id590411571)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 第二章から第六章 | $5.99 | one-time |


### Brain Forest

[App page](https://appshunter.io/ios/app/brain-forest-brain-game/id6651830280)

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Brain Forest Premium (Monthly) | $3.00 | per month |
| Brain Forest Premium (Annual) | $18.00 | per year |


## Frequently asked questions

### Is 考える力を考えよう free?

考える力を考えよう is free to download, with in-app purchases available.

### Is Brain Forest free?

Brain Forest is free to download, with in-app purchases available.

### Do 考える力を考えよう or Brain Forest have ads?

Brain Forest shows ads; 考える力を考えよう does not.

### Which is updated more often, 考える力を考えよう or Brain Forest?

考える力を考えよう ships an update every 20 months, and Brain Forest weekly. Most recently, 考える力を考えよう was updated on November 1, 2026 and Brain Forest on October 27, 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.*