# 不思議コレクション 大人の図鑑 vs 100年続くアイドルたち

The clearest difference is in-app purchases: 不思議コレクション 大人の図鑑 at none against 100年続くアイドルたち's 3. 不思議コレクション 大人の図鑑 also leads on iOS requirement (12.0 vs 15.0). 100年続くアイドルたち's advantage is update cadence (every 3 weeks vs every 3 months) and review sentiment (100% vs 88%). On price, ads and device support there is nothing between them.

Both are free to download. 100年続くアイドルたち sells 3 one-off in-app purchases. 不思議コレクション 大人の図鑑 asks for nothing beyond the download.

不思議コレクション 大人の図鑑 ships an update every 3 months, 100年続くアイドルたち every 3 weeks. The most recent releases landed on October 8, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | 不思議コレクション 大人の図鑑 | 100年続くアイドルたち |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (4 ratings)](https://appshunter.io/ios/app/id6473504959/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 87.5% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 3 months | **Every 3 weeks** |
| Monetization | **Ad-supported** | Free with in-app purchases |
| Size | 141 MB | 140 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 9+ |
| Developer | [ArtsPlanet](https://appshunter.io/developer/661686993) | [NOELITH, INC.](https://appshunter.io/developer/1659312327) |

## What reviewers say

### 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


### 100年続くアイドルたち

[App page](https://appshunter.io/ios/app/100/id6742040619)

Guide aspiring idols through tough choices, balancing their careers with personal lives. Develop their stats, manage their side jobs, and witness their journey from stardom to potential darkness. This game offers a unique take on idol simulation with branching narratives and multiple endings.

**Highlights:** Develop 4 key idol stats, Make difficult 2-choice decisions, Manage idol side jobs and events, Over 30 unique characters, Collect achievements and titles, Multiple endings based on choices

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 広告削除Bパック | $0.99 | one-time |
| 広告削除Aパック | $0.99 | one-time |
| 広告削除ABお得パック | $1.99 | one-time |


## Frequently asked questions

### 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.

### Is 100年続くアイドルたち free?

100年続くアイドルたち is free to download, with in-app purchases available.

### Do 不思議コレクション 大人の図鑑 or 100年続くアイドルたち have ads?

Both 不思議コレクション 大人の図鑑 and 100年続くアイドルたち show ads.

### Which is updated more often, 不思議コレクション 大人の図鑑 or 100年続くアイドルたち?

不思議コレクション 大人の図鑑 ships an update every 3 months, and 100年続くアイドルたち every 3 weeks. Most recently, 不思議コレクション 大人の図鑑 was updated on October 8, 2026 and 100年続くアイドルたち 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.*