# Kitty Stack vs Underwater Shooter

The clearest difference is in-app purchases: Underwater Shooter at none against Kitty Stack's 6. Underwater Shooter also leads on rating (4.8 vs 4.4) and ratings volume (189 vs 10). Kitty Stack's advantage is device support (3 vs 1). On price, update cadence, ads and iOS requirement there is nothing between them.

Both are free to download. Kitty Stack sells 6 one-off in-app purchases. Underwater Shooter asks for nothing beyond the download.

Underwater Shooter holds the better App Store score, 4.8 against 4.4. That said, the two scores are not equally well evidenced: Underwater Shooter has 189 ratings behind it against 10, so its average is the more settled of the two.

Kitty Stack ships an update every 8 days, Underwater Shooter fortnightly. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Kitty Stack | Underwater Shooter |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.4 (10 ratings)](https://appshunter.io/ios/app/kitty-stack-cat-raising/id6764501721/reviews) | **[4.8 (189 ratings)](https://appshunter.io/ios/app/underwater-shooter/id6794169545/reviews)** |
| Number of ratings | 10 | **189** |
| Positive reviews | — | 80.8% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | **Every 8 days** | Fortnightly |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 209 MB | 328 MB |
| Requires iOS | **15.0** | 16.2 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 12+ | 4+ |
| Developer | [HK GANGXING TECHNOLOGY LIMITED](https://appshunter.io/developer/813172596) | [康 李](https://appshunter.io/developer/6787172840) |

## What reviewers say

### Kitty Stack

[App page](https://appshunter.io/ios/app/kitty-stack-cat-raising/id6764501721)

A heartwarming game where you raise a kitten from a tiny furball into a mature cat. Engage in relaxing color matching and sorting puzzles to help your pet grow through various life stages and unlock new breeds.

**Highlights:** Kitten growth simulation, Color matching puzzles, Sorting and merging mechanics, Unlockable cat breeds, Relaxing gameplay, Collect diverse cat family

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| coin01 | $1.99 | one-time |
| coin2 | $7.99 | one-time |
| coin03 | $14.99 | one-time |
| coin04 | $29.99 | one-time |
| coin05 | $49.99 | one-time |
| coin06 | $99.99 | one-time |


### Underwater Shooter

[App page](https://appshunter.io/ios/app/underwater-shooter/id6794169545)

Embark on a casual idle fishing adventure in the ocean. Tap to cast your line, collect diverse underwater creatures, and discover surprising treasures. Enjoy a fun and relaxing fishing journey.

**Highlights:** Casual idle gameplay, Ocean fishing adventure, Tap to cast line, Collect underwater creatures, Discover surprises

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

**In-app purchases:** none


## Frequently asked questions

### Is Kitty Stack free?

Kitty Stack is free to download, with in-app purchases available.

### Is Underwater Shooter free?

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

### Which has better reviews, Kitty Stack or Underwater Shooter?

Underwater Shooter is rated higher. Kitty Stack averages 4.4 out of 5 from 10 ratings, while Underwater Shooter averages 4.8 from 189 ratings.

### Do Kitty Stack or Underwater Shooter have ads?

Both Kitty Stack and Underwater Shooter show ads.

### Which is updated more often, Kitty Stack or Underwater Shooter?

Kitty Stack ships an update every 8 days, and Underwater Shooter fortnightly. Most recently, Kitty Stack was updated on October 24, 2026 and Underwater Shooter on October 25, 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.*