# 実験島 vs NIZ

The clearest difference is rating: 実験島 at 5.0 against NIZ's 4.1. 実験島 also leads on monetization model (free vs paid) and iOS requirement (8.0 vs 15.6). NIZ's advantage is update cadence (every 3 weeks vs every 6 months) and ratings volume (15 vs 1). On price, review sentiment, ads 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.

実験島 holds the better App Store score, 5.0 against 4.1. That said, the two scores are not equally well evidenced: NIZ has 15 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 89% of 実験島's written reviews are positive against 83% of NIZ's.

実験島 ships an update every 6 months, NIZ every 3 weeks. The most recent releases landed on October 14, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | 実験島 | NIZ |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/10/id1066105113/reviews)** | [4.1 (15 ratings)](https://appshunter.io/ios/app/niz/id1546187733/reviews) |
| Number of ratings | 1 | **15** |
| Positive reviews | **89.1% of reviews** | 82.5% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 3 weeks** |
| Monetization | **Free** | Paid |
| Size | 41 MB | 24 MB |
| Requires iOS | **8.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 9+ |
| Developer | [GlobalGear Co. Ltd.](https://appshunter.io/developer/670168140) | [Altoterras](https://appshunter.io/developer/396097638) |

## What reviewers say

### 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


### NIZ

[App page](https://appshunter.io/ios/app/niz/id1546187733)

Embark on a dungeon-crawling adventure inspired by classic RPGs. Explore labyrinths with simple controls and character-based graphics. Seek the legendary "AMULET of ARCHIMAGE" and confront the Mad Overlord.

**Highlights:** Dungeon exploration, Simple operability, Character-based graphics, Treasure hunting, Boss battles

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

**In-app purchases:** none


## Frequently asked questions

### Is 実験島 free?

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

### Is NIZ free?

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

### Which has better reviews, 実験島 or NIZ?

実験島 is rated higher. 実験島 averages 5.0 out of 5 from 1 ratings, while NIZ averages 4.1 from 15 ratings.

### Do 実験島 or NIZ have ads?

Neither 実験島 nor NIZ shows ads.

### Which is updated more often, 実験島 or NIZ?

実験島 ships an update every 6 months, and NIZ every 3 weeks. Most recently, 実験島 was updated on October 14, 2026 and NIZ on October 16, 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.*