# 3D記憶力テスト～脳トレ・認知症予防アプリ vs きょうりゅう図鑑 子供向け知育ゲーム1歳2歳3歳

The clearest difference is ads: きょうりゅう図鑑 子供向け知育ゲーム1歳2歳3歳 at none against 3D記憶力テスト～脳トレ・認知症予防アプリ's shown. きょうりゅう図鑑 子供向け知育ゲーム1歳2歳3歳 also leads on update cadence (every 5 days vs every 29 months). 3D記憶力テスト～脳トレ・認知症予防アプリ's advantage is iOS requirement (12.0 vs 26.2). 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.

3D記憶力テスト～脳トレ・認知症予防アプリ ships an update every 29 months, きょうりゅう図鑑 子供向け知育ゲーム1歳2歳3歳 every 5 days. The most recent releases landed on October 6, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | 3D記憶力テスト～脳トレ・認知症予防アプリ | きょうりゅう図鑑 子供向け知育ゲーム1歳2歳3歳 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 29 months | **Every 5 days** |
| Monetization | — | Free with in-app purchases |
| Size | 199 MB | 98 MB |
| Requires iOS | **12.0** | 26.2 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Takuma Takahashi](https://appshunter.io/developer/1514411811) | [Masashi Ikeda](https://appshunter.io/developer/1825379876) |

## What reviewers say

### 3D記憶力テスト～脳トレ・認知症予防アプリ

[App page](https://appshunter.io/ios/app/3d/id1528475226)

**Features:** macOS Compatibility

**In-app purchases:** none


### きょうりゅう図鑑 子供向け知育ゲーム1歳2歳3歳

[App page](https://appshunter.io/ios/app/123/id6766078181)

A dinosaur encyclopedia and educational game designed for toddlers aged 1-3. Children can discover hidden dinosaurs, collect cards, and hear their names spoken aloud, making learning fun and engaging. It offers offline play and an ad-free experience.

**Highlights:** Discover and catch dinosaurs, Audio pronunciation of dinosaur names, Over 100 dinosaur species, Collectible dinosaur cards, Offline play support, Ad-free experience

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 3D記憶力テスト～脳トレ・認知症予防アプリ free?

3D記憶力テスト～脳トレ・認知症予防アプリ is free to download, with no in-app purchases.

### Is きょうりゅう図鑑 子供向け知育ゲーム1歳2歳3歳 free?

きょうりゅう図鑑 子供向け知育ゲーム1歳2歳3歳 is free to download, with no in-app purchases.

### Do 3D記憶力テスト～脳トレ・認知症予防アプリ or きょうりゅう図鑑 子供向け知育ゲーム1歳2歳3歳 have ads?

3D記憶力テスト～脳トレ・認知症予防アプリ shows ads; きょうりゅう図鑑 子供向け知育ゲーム1歳2歳3歳 does not.

### Which is updated more often, 3D記憶力テスト～脳トレ・認知症予防アプリ or きょうりゅう図鑑 子供向け知育ゲーム1歳2歳3歳?

3D記憶力テスト～脳トレ・認知症予防アプリ ships an update every 29 months, and きょうりゅう図鑑 子供向け知育ゲーム1歳2歳3歳 every 5 days. Most recently, 3D記憶力テスト～脳トレ・認知症予防アプリ was updated on October 6, 2026 and きょうりゅう図鑑 子供向け知育ゲーム1歳2歳3歳 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.*