# [大人の脳トレ] 決断力をあげろ！小学生から大人まで無料で暇つぶしが出来るゲーム vs ShapeMemo

The clearest difference is ads: [大人の脳トレ] 決断力をあげろ！小学生から大人まで無料で暇つぶしが出来るゲーム at none against ShapeMemo's shown. [大人の脳トレ] 決断力をあげろ！小学生から大人まで無料で暇つぶしが出来るゲーム also leads on iOS requirement (6.0 vs 18). ShapeMemo's advantage is update cadence (every 8 months vs every 26 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.

[大人の脳トレ] 決断力をあげろ！小学生から大人まで無料で暇つぶしが出来るゲーム ships an update every 26 months, ShapeMemo every 8 months. The most recent releases landed on September 8, 2026 and August 28, 2026 respectively.

## The numbers

| Metric | [大人の脳トレ] 決断力をあげろ！小学生から大人まで無料で暇つぶしが出来るゲーム | ShapeMemo |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.0 (1 ratings)](https://appshunter.io/ios/app/id894298232/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 26 months | **Every 8 months** |
| Monetization | Free | — |
| Size | 9 MB | 5 MB |
| Requires iOS | **6.0** | 18 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [REP COM Inc.](https://appshunter.io/developer/702707146) | [Taiki Sato](https://appshunter.io/developer/1807425583) |

## What reviewers say

### [大人の脳トレ] 決断力をあげろ！小学生から大人まで無料で暇つぶしが出来るゲーム

[App page](https://appshunter.io/ios/app/id894298232)

This game challenges players to quickly identify if the current symbol matches the previous one by tapping 'O' or 'X'. It's designed to improve concentration and pass the time for users of all ages.

**Highlights:** Symbol matching gameplay, Improves concentration, Suitable for all ages, Free to play, Time-killing activity

**Features:** macOS Compatibility

**In-app purchases:** none


### ShapeMemo

[App page](https://appshunter.io/ios/app/shapememo-brain-training-game/id6744379976)

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

**In-app purchases:** none


## Frequently asked questions

### Is [大人の脳トレ] 決断力をあげろ！小学生から大人まで無料で暇つぶしが出来るゲーム free?

[大人の脳トレ] 決断力をあげろ！小学生から大人まで無料で暇つぶしが出来るゲーム is free to download, with no in-app purchases.

### Is ShapeMemo free?

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

### Do [大人の脳トレ] 決断力をあげろ！小学生から大人まで無料で暇つぶしが出来るゲーム or ShapeMemo have ads?

ShapeMemo shows ads; [大人の脳トレ] 決断力をあげろ！小学生から大人まで無料で暇つぶしが出来るゲーム does not.

### Which is updated more often, [大人の脳トレ] 決断力をあげろ！小学生から大人まで無料で暇つぶしが出来るゲーム or ShapeMemo?

[大人の脳トレ] 決断力をあげろ！小学生から大人まで無料で暇つぶしが出来るゲーム ships an update every 26 months, and ShapeMemo every 8 months. Most recently, [大人の脳トレ] 決断力をあげろ！小学生から大人まで無料で暇つぶしが出来るゲーム was updated on September 8, 2026 and ShapeMemo on August 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.*