# Cat Stack vs Haru Cats® Cute Sliding Puzzle

Cat Stack and Haru Cats® Cute Sliding Puzzle both sit at 4.8 stars, but that hides the real split: 79% of Cat Stack's written reviews are positive against 54% of Haru Cats® Cute Sliding Puzzle's. Haru Cats® Cute Sliding Puzzle's advantage is update cadence (every 6 weeks vs every 3 months) and ratings volume (4.5K vs 891). On price, rating, ads and in-app purchases there is nothing between them.

Both are free to download. Cat Stack sells 6 one-off in-app purchases and Haru Cats® Cute Sliding Puzzle sells 13 in-app purchases, starting at $4.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Cat Stack holds the better App Store score, 4.8 against 4.6. That said, the two scores are not equally well evidenced: Haru Cats® Cute Sliding Puzzle has 4.5K ratings behind it against 891, so its average is the more settled of the two. Written reviews point the same way: 79% of Cat Stack's written reviews are positive against 54% of Haru Cats® Cute Sliding Puzzle's.

Cat Stack ships an update every 3 months, Haru Cats® Cute Sliding Puzzle every 6 weeks. Both last shipped on October 29, 2026.

## The numbers

| Metric | Cat Stack | Haru Cats® Cute Sliding Puzzle |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (891 ratings)](https://appshunter.io/ios/app/cat-stack/id1398886906/reviews)** | [4.6 (4.5K ratings)](https://appshunter.io/ios/app/haru-cats-cute-sliding-puzzle/id1461007554/reviews) |
| Number of ratings | 891 | **4.5K** |
| Positive reviews | **79.5% of reviews** | 54.3% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 3 months | **Every 6 weeks** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 236 MB | 380 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 12+ |
| Developer | [Full Fat Productions Ltd](https://appshunter.io/developer/374306144) | [Hyper Cats Limited](https://appshunter.io/developer/1788880041) |

## What reviewers say

### Cat Stack

[App page](https://appshunter.io/ios/app/cat-stack/id1398886906)

Rotate and position various cats to build the tallest possible tower. Be careful, as a fallen cat means game over. Discover and collect over 70 unique cat breeds, each with different effects that can impact your tower's stability.

**Highlights:** Stack cats to build towers, Physics-based gameplay, Collect over 70 cat breeds, Cats have unique effects, High score challenges

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| CS Gem Pack 1 | $0.99 | one-time |
| Bundle Pack 1 | $4.99 | one-time |
| CS Gem Pack 2 | $4.99 | one-time |
| Remove Ads | $5.99 | one-time |
| Bundle Pack 2 | $9.99 | one-time |
| CS Gem Pack 3 | $9.99 | one-time |

**What reviewers like**

- 🐱 Cute cats
- 🕹️ Fun and addictive gameplay
- 💡 Unique concept
- 👍 Simple and easy to play
- 🕰️ Good for passing time

**What reviewers complain about**

- 🔍 Lack of variety in cat shapes
- 🔊 Sound issues and audio cutting out
- 📺 Too many ads, disruptive to gameplay
- 🔒 Paid version still has ads

**Reported bugs**

- Crashes and freezes
- Unresponsive controls
- Ads not loading properly

**Requested features**

- More cat variety
- Pause button
- Offline play mode
- Customization options


### Haru Cats® Cute Sliding Puzzle

[App page](https://appshunter.io/ios/app/haru-cats-cute-sliding-puzzle/id1461007554)

This is a relaxing block puzzle game featuring adorable kittens. Slide blocks to clear lines, engage with special cat characters that offer unique abilities, and enjoy a stress-free experience with no time limits. Collect stickers and solve puzzles at your own pace.

**Highlights:** Sliding block puzzles, Special cat characters with unique abilities, Relaxed gameplay with no time limits, Booster aids for challenging puzzles, Collect and share Haru stickers, Stress-free zen moments

**Features:** Vision Pro support

**In-app purchases (13)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pack 7 Days Subscription | $4.99 | per 7 days |
| Pack 100 Golds | $0.99 | one-time |
| Unlock Challenge's box | $1.99 | one-time |
| 500 Golds Promotion | $1.99 | one-time |
| Special package | $1.99 | one-time |
| 300 golds | $1.99 | one-time |
| Pack 500 Golds | $3.99 | one-time |
| Remove Ads | $4.99 | one-time |
| Pack 1000 Golds | $6.99 | one-time |
| 7 Days Bundle | $7.99 | one-time |
| Haru's gift | $7.99 | one-time |
| New Remove Ads | $8.99 | one-time |
| Pack 2000 Golds | $18.99 | one-time |

**What reviewers like**

- 🐱 Cute cats
- 🕹️ Fun and addictive gameplay
- 👍 Relaxing and enjoyable experience
- 💰 Reasonable monetization (some ads, optional paid version)

**What reviewers complain about**

- 🔍 Frequent ads interrupting gameplay
- 🐛 Bugs and glitches (freezing, crashes, progress loss)
- 🕰️ Slow or unresponsive controls
- 🔋 High battery consumption

**Reported bugs**

- Game freezing on daily reward screen
- Inability to claim purchased no-ads feature
- Progress reset after updates
- Inconsistent power-up activation

**Requested features**

- More customization options (cat skins, backgrounds)
- Improved progression system (daily rewards, leveling)
- Ability to use collected stickers in messages
- Reduced ads or more generous ad rewards


## Frequently asked questions

### Is Cat Stack free?

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

### Is Haru Cats® Cute Sliding Puzzle free?

Haru Cats® Cute Sliding Puzzle is free to download, with in-app purchases available.

### Which has better reviews, Cat Stack or Haru Cats® Cute Sliding Puzzle?

Cat Stack is rated higher. Cat Stack averages 4.8 out of 5 from 891 ratings, while Haru Cats® Cute Sliding Puzzle averages 4.6 from 4.5K ratings.

### Do Cat Stack or Haru Cats® Cute Sliding Puzzle have ads?

Both Cat Stack and Haru Cats® Cute Sliding Puzzle show ads.

### Which is updated more often, Cat Stack or Haru Cats® Cute Sliding Puzzle?

Cat Stack ships an update every 3 months, and Haru Cats® Cute Sliding Puzzle every 6 weeks. Most recently, Cat Stack was updated on October 29, 2026 and Haru Cats® Cute Sliding Puzzle on October 29, 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.*