# なっとう vs 不思議コレクション 大人の図鑑

The clearest difference is ads: なっとう at none against 不思議コレクション 大人の図鑑's shown. なっとう also leads on update cadence (fortnightly vs every 3 months) and monetization model (free vs ad-supported). 不思議コレクション 大人の図鑑's advantage is review sentiment (88% vs 75%). On price, rating, ratings volume and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 5.0 for なっとう against 5.0 for 不思議コレクション 大人の図鑑. Both are backed by a comparable volume of ratings — 4 and 4 respectively. Written reviews are what separate them: 75% of なっとう's written reviews are positive against 88% of 不思議コレクション 大人の図鑑's.

なっとう ships an update fortnightly, 不思議コレクション 大人の図鑑 every 3 months. The most recent releases landed on October 14, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | なっとう | 不思議コレクション 大人の図鑑 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (4 ratings)](https://appshunter.io/ios/app/id1122584613/reviews) | [5.0 (4 ratings)](https://appshunter.io/ios/app/id6473504959/reviews) |
| Number of ratings | 4 | 4 |
| Positive reviews | 74.5% of reviews | **87.5% of reviews** |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Fortnightly** | Every 3 months |
| Monetization | **Free** | Ad-supported |
| Size | 46 MB | 141 MB |
| Requires iOS | **9.0** | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Naoyuki Totani](https://appshunter.io/developer/604347949) | [ArtsPlanet](https://appshunter.io/developer/661686993) |

## What reviewers say

### なっとう

[App page](https://appshunter.io/ios/app/id1122584613)

A relaxing game where you nurture a natto character by mixing it. Collect lost items and watch your natto evolve while offering surprisingly good advice. Perfect for de-stressing and finding a bit of cheer.

**Highlights:** Mix natto to help it evolve, Collect lost items, Natto offers encouraging advice, Relaxing gameplay, Storyline about a soybean's transformation

**Features:** macOS Compatibility

**In-app purchases:** none


### 不思議コレクション 大人の図鑑

[App page](https://appshunter.io/ios/app/id6473504959)

Collect replica items from a museum curated by Medjed, covering history, art, science, and nature. Complete your "Adult Encyclopedia" with detailed descriptions of your collected items. This is a completely free game with no in-app purchases.

**Highlights:** Collect replica items, Complete an adult encyclopedia, Museum-themed collection, Detailed item descriptions, Completely free to play

**In-app purchases:** none


## Frequently asked questions

### Is なっとう free?

なっとう is free to download, with no in-app purchases.

### Is 不思議コレクション 大人の図鑑 free?

不思議コレクション 大人の図鑑 is free to download, with no in-app purchases.

### Which has better reviews, なっとう or 不思議コレクション 大人の図鑑?

なっとう and 不思議コレクション 大人の図鑑 are both rated 5.0 out of 5 on the App Store, from 4 and 4 ratings respectively.

### Do なっとう or 不思議コレクション 大人の図鑑 have ads?

不思議コレクション 大人の図鑑 shows ads; なっとう does not.

### Which is updated more often, なっとう or 不思議コレクション 大人の図鑑?

なっとう ships an update fortnightly, and 不思議コレクション 大人の図鑑 every 3 months. Most recently, なっとう was updated on October 14, 2026 and 不思議コレクション 大人の図鑑 on October 8, 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.*