# Sorting vs 空想水族館

Sorting and 空想水族館 are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Sorting ships an update every 6 weeks, 空想水族館 every 2 months. The most recent releases landed on October 4, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Sorting | 空想水族館 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.9 (8 ratings)](https://appshunter.io/ios/app/id6443890302/reviews)** |
| Number of ratings | — | **8** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | **Every 6 weeks** | Every 2 months |
| Monetization | — | Ad-supported |
| Size | 122 MB | 395 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [ERS CO.,LTD.](https://appshunter.io/developer/1096454027) | [ArtsPlanet](https://appshunter.io/developer/661686993) |

## What reviewers say

### Sorting

[App page](https://appshunter.io/ios/app/sorting/id1562633693)

**Features:** macOS Compatibility

**In-app purchases:** none


### 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


## Frequently asked questions

### Is Sorting free?

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

### Is 空想水族館 free?

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

### Do Sorting or 空想水族館 have ads?

Both Sorting and 空想水族館 show ads.

### Which is updated more often, Sorting or 空想水族館?

Sorting ships an update every 6 weeks, and 空想水族館 every 2 months. Most recently, Sorting was updated on October 4, 2026 and 空想水族館 on October 24, 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.*