# 空想水族館 vs 異世界グルメ食堂

The clearest difference is rating: 空想水族館 at 4.9 against 異世界グルメ食堂's 3.6. 空想水族館 also leads on review sentiment (100% vs 75%) and iOS requirement (12.0 vs 15.0). 異世界グルメ食堂's advantage is update cadence (every 6 days vs every 2 months). On price, ratings volume, 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.

空想水族館 holds the better App Store score, 4.9 against 3.6. Both are backed by a comparable volume of ratings — 8 and 5 respectively. Written reviews point the same way: 100% of 空想水族館's written reviews are positive against 75% of 異世界グルメ食堂's.

空想水族館 ships an update every 2 months, 異世界グルメ食堂 every 6 days. The most recent releases landed on November 7, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | 空想水族館 | 異世界グルメ食堂 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (8 ratings)](https://appshunter.io/ios/app/id6443890302/reviews)** | [3.6 (5 ratings)](https://appshunter.io/ios/app/id6465176059/reviews) |
| Number of ratings | **8** | 5 |
| Positive reviews | **100.0% of reviews** | 75.0% of reviews |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | Every 2 months | **Every 6 days** |
| Monetization | Ad-supported | — |
| Size | 395 MB | 135 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) | [GlobalGear Co. Ltd.](https://appshunter.io/developer/670168140) |

## What reviewers say

### 空想水族館

[App page](https://appshunter.io/ios/app/id6443890302)

Discover a futuristic aquarium filled with whimsical creatures. Collect unique animal hybrids through a free gacha system and uncover the aquarium's secrets in a fun, story-driven game. Enjoy simple, casual gameplay perfect for passing the time.

**Highlights:** Collect unique hybrid creatures, Free gacha system, Futuristic aquarium setting, Story-driven gameplay, Tilt sensor mechanics, Casual time-killing game

**In-app purchases:** none


### 異世界グルメ食堂

[App page](https://appshunter.io/ios/app/id6465176059)

**In-app purchases:** none


## Frequently asked questions

### Is 空想水族館 free?

空想水族館 is free to download, with no in-app purchases.

### Is 異世界グルメ食堂 free?

異世界グルメ食堂 is free to download, with no in-app purchases.

### Which has better reviews, 空想水族館 or 異世界グルメ食堂?

空想水族館 is rated higher. 空想水族館 averages 4.9 out of 5 from 8 ratings, while 異世界グルメ食堂 averages 3.6 from 5 ratings.

### Do 空想水族館 or 異世界グルメ食堂 have ads?

Both 空想水族館 and 異世界グルメ食堂 show ads.

### Which is updated more often, 空想水族館 or 異世界グルメ食堂?

空想水族館 ships an update every 2 months, and 異世界グルメ食堂 every 6 days. Most recently, 空想水族館 was updated on November 7, 2026 and 異世界グルメ食堂 on November 3, 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.*