# ヒュプノノーツ vs 実験島

The clearest difference is in-app purchases: 実験島 at none against ヒュプノノーツ's 8. 実験島 also leads on ads (none vs shown) and iOS requirement (8.0 vs 15.0). ヒュプノノーツ's advantage is update cadence (fortnightly vs every 6 months). On price, review sentiment and device support there is nothing between them.

Both are free to download. ヒュプノノーツ sells 8 one-off in-app purchases. 実験島 asks for nothing beyond the download.

ヒュプノノーツ ships an update fortnightly, 実験島 every 6 months. The most recent releases landed on October 19, 2026 and October 21, 2026 respectively.

## The numbers

| Metric | ヒュプノノーツ | 実験島 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/10/id1066105113/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | 88.0% of reviews | **89.1% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Fortnightly** | Every 6 months |
| Monetization | — | Free |
| Size | 198 MB | 41 MB |
| Requires iOS | 15.0 | **8.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 12+ |
| Developer | [TAKESHI NAMIKAWA](https://appshunter.io/developer/924826722) | [GlobalGear Co. Ltd.](https://appshunter.io/developer/670168140) |

## What reviewers say

### ヒュプノノーツ

[App page](https://appshunter.io/ios/app/id924826723)

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

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| コンティニュー | $0.99 | one-time |
| 優しい贈り物 | $0.99 | one-time |
| 一夜漬け | $0.99 | one-time |
| No Ads | $0.99 | one-time |
| 秘密の特訓 | $2.99 | one-time |
| 気前のいいサンタクロース | $2.99 | one-time |
| Magical Support | $3.99 | one-time |
| フェニックスの翼 | $4.99 | one-time |


### 実験島

[App page](https://appshunter.io/ios/app/10/id1066105113)

A survival simulation game where you are stranded on a mysterious island with only 10 days to escape. Explore, gather resources, craft items, and defend yourself against dangerous creatures to find the research institute and break free.

**Highlights:** Island exploration for resources, Repair and upgrade base facilities, Craft weapons, armor, and food, Defend against dangerous creatures, Find the research institute to escape, Persistent inventory across game overs

**In-app purchases:** none


## Frequently asked questions

### Is ヒュプノノーツ free?

ヒュプノノーツ is free to download, with in-app purchases available.

### Is 実験島 free?

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

### Do ヒュプノノーツ or 実験島 have ads?

ヒュプノノーツ shows ads; 実験島 does not.

### Which is updated more often, ヒュプノノーツ or 実験島?

ヒュプノノーツ ships an update fortnightly, and 実験島 every 6 months. Most recently, ヒュプノノーツ was updated on October 19, 2026 and 実験島 on October 21, 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.*