# 深海探索図鑑 vs さかな図鑑 子供向け知育ゲーム1歳2歳3歳

The clearest difference is in-app purchases: 深海探索図鑑 at none against さかな図鑑 子供向け知育ゲーム1歳2歳3歳's 3. 深海探索図鑑 also leads on iOS requirement (15.1 vs 26.2). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. さかな図鑑 子供向け知育ゲーム1歳2歳3歳 sells 3 one-off in-app purchases. 深海探索図鑑 asks for nothing beyond the download.

深海探索図鑑 ships an update every 2 weeks, さかな図鑑 子供向け知育ゲーム1歳2歳3歳 weekly. The most recent releases landed on October 31, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | 深海探索図鑑 | さかな図鑑 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** | Yes |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Weekly** |
| Monetization | — | Free with in-app purchases |
| Size | 67 MB | 38 MB |
| Requires iOS | **15.1** | 26.2 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Hironobu Aoki](https://appshunter.io/developer/1888522968) | [Masashi Ikeda](https://appshunter.io/developer/1825379876) |

## What reviewers say

### 深海探索図鑑

[App page](https://appshunter.io/ios/app/id6761268477)

**Features:** macOS Compatibility

**In-app purchases:** none


### さかな図鑑 子供向け知育ゲーム1歳2歳3歳

[App page](https://appshunter.io/ios/app/123/id6761914135)

This educational game allows young children to discover and collect various fish. By tapping and dragging, kids can reveal the identity of hidden fish, which are then added to a digital collection book.

**Highlights:** Fish discovery through interaction, Digital fish encyclopedia, Collection management, Interactive gameplay for toddlers, Educational content

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 海ステージの開放 | $0.99 | one-time |
| 深海ステージの開放 | $0.99 | one-time |
| 全ステージを開放します | $1.99 | one-time |


## Frequently asked questions

### Is 深海探索図鑑 free?

深海探索図鑑 is free to download, with no in-app purchases.

### Is さかな図鑑 子供向け知育ゲーム1歳2歳3歳 free?

さかな図鑑 子供向け知育ゲーム1歳2歳3歳 is free to download, with in-app purchases available.

### Do 深海探索図鑑 or さかな図鑑 子供向け知育ゲーム1歳2歳3歳 have ads?

Neither 深海探索図鑑 nor さかな図鑑 子供向け知育ゲーム1歳2歳3歳 shows ads.

### Which is updated more often, 深海探索図鑑 or さかな図鑑 子供向け知育ゲーム1歳2歳3歳?

深海探索図鑑 ships an update every 2 weeks, and さかな図鑑 子供向け知育ゲーム1歳2歳3歳 weekly. Most recently, 深海探索図鑑 was updated on October 31, 2026 and さかな図鑑 子供向け知育ゲーム1歳2歳3歳 on November 5, 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.*