# 空想水族館 vs くるくる飲茶（やむちゃ）

空想水族館 and くるくる飲茶（やむちゃ） both sit at 4.9 stars, but that hides the real split: 100% of 空想水族館's written reviews are positive against 75% of くるくる飲茶（やむちゃ）'s. 空想水族館 also leads on iOS requirement (12.0 vs 14.0). On price, rating, ratings volume and update cadence 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 — 4.9 for 空想水族館 against 5.0 for くるくる飲茶（やむちゃ）. Both are backed by a comparable volume of ratings — 8 and 4 respectively. Written reviews are what separate them: 100% of 空想水族館's written reviews are positive against 75% of くるくる飲茶（やむちゃ）'s.

空想水族館 ships an update every 2 months, くるくる飲茶（やむちゃ） every 5 weeks. The most recent releases landed on September 6, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | 空想水族館 | くるくる飲茶（やむちゃ） |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.9 (8 ratings)](https://appshunter.io/ios/app/id6443890302/reviews) | **[5.0 (4 ratings)](https://appshunter.io/ios/app/id6447394618/reviews)** |
| Number of ratings | **8** | 4 |
| Positive reviews | **100.0% of reviews** | 75.0% of reviews |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | Every 2 months | **Every 5 weeks** |
| Monetization | Ad-supported | — |
| Size | 395 MB | 82 MB |
| Requires iOS | **12.0** | 14.0 |
| 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


### くるくる飲茶（やむちゃ）

[App page](https://appshunter.io/ios/app/id6447394618)

**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 くるくる飲茶（やむちゃ） free?

くるくる飲茶（やむちゃ） is free to download, with no in-app purchases.

### Which has better reviews, 空想水族館 or くるくる飲茶（やむちゃ）?

くるくる飲茶（やむちゃ） is rated higher. 空想水族館 averages 4.9 out of 5 from 8 ratings, while くるくる飲茶（やむちゃ） averages 5.0 from 4 ratings.

### Do 空想水族館 or くるくる飲茶（やむちゃ） have ads?

Both 空想水族館 and くるくる飲茶（やむちゃ） show ads.

### Which is updated more often, 空想水族館 or くるくる飲茶（やむちゃ）?

空想水族館 ships an update every 2 months, and くるくる飲茶（やむちゃ） every 5 weeks. Most recently, 空想水族館 was updated on September 6, 2026 and くるくる飲茶（やむちゃ） on September 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.*