# Boo! vs Kitty Q

The clearest difference is in-app purchases: Kitty Q at none against Boo!'s 1. Kitty Q also leads on ads (none vs shown). Boo!'s advantage is update cadence (every 5 months vs every 13 months). On price, rating, review sentiment and ratings volume there is nothing between them.

Both are free to download. Boo! sells 1 one-off in-app purchase. Kitty Q asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.8 for Boo! against 4.9 for Kitty Q. Both are backed by a comparable volume of ratings — 201 and 400 respectively. Written reviews are what separate them: 96% of Boo!'s written reviews are positive against 91% of Kitty Q's.

Boo! ships an update every 5 months, Kitty Q every 13 months. The most recent releases landed on October 26, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | Boo! | Kitty Q |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.8 (201 ratings)](https://appshunter.io/ios/app/boo/id1299443361/reviews) | **[4.9 (400 ratings)](https://appshunter.io/ios/app/kitty-q/id1571930863/reviews)** |
| Number of ratings | 201 | **400** |
| Positive reviews | **96.1% of reviews** | 91.4% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 5 months** | Every 13 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 20 MB | 1.3 GB |
| Requires iOS | 12.0 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 9+ | 9+ |
| Developer | [Bart BONTE](https://appshunter.io/developer/568141787) | [Philipp Stollenmayer](https://appshunter.io/developer/580506869) |

## What reviewers say

### Boo!

[App page](https://appshunter.io/ios/app/boo/id1299443361)

Dip pumpkins in paint and use attributes to mask parts to solve Halloween-themed puzzles. The difficulty increases as you progress through 42 levels, with a daily puzzle mode unlocked upon completion.

**Highlights:** Pumpkin painting puzzles, Masking attributes, Increasing difficulty, 42 Halloween levels, Daily puzzle mode, Unlockable content

**Features:** Family Sharing, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| no ads | $2.49 | one-time |

**What reviewers like**

- 🧩 Simple yet challenging puzzle mechanics
- 🎨 Cute and appealing art style
- 🎵 Great music and audio design
- 👍 User-friendly interface
- 📱 Minimal and non-intrusive ads

**What reviewers complain about**

- ⏱️ Game is too short
- 🎨 Color contrast issues on low brightness
- 📺 Some ads are lengthy
- 🔄 Game resets when app is closed
- ⚙️ Occasional freezing/crashing issues

**Reported bugs**

- Level 24 progression bug - puzzle completes but won't advance
- App freezes at logo on iOS 14.7.1
- Game occasionally freezes after level completion
- Purchase restoration not working properly
- Color differentiation issue between white and neon yellow

**Requested features**

- More levels (most frequently requested)
- Increased difficulty options
- Endless or infinite mode
- Speed run mode with timing
- Hardcore mode


### Kitty Q

[App page](https://appshunter.io/ios/app/kitty-q/id1571930863)

Embark on a quantum adventure to solve puzzles and help a cat escape superposition. Explore the bizarre rules of the quantum world with guidance from a physicist's descendant. Discover over 20 scientific facts about quantum physics through engaging challenges.

**Highlights:** Quantum physics puzzles, Explore quantum world rules, Learn scientific facts, Character guidance, Unique cat adventure

**Features:** Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 🐱 Cute cat character
- 💡 Interesting quantum physics concepts
- 👍 Engaging puzzles
- 🚀 No ads or in-app purchases
- 🎨 Lovely art style and design

**What reviewers complain about**

- 🕰️ Game is too short
- 🤔 Some puzzles can be challenging
- 📚 Lack of language options (only English)

**Reported bugs**

- Crashes on startup for some users
- Difficulty choosing between live or dead cat ending

**Requested features**

- More levels or chapters
- Ability to reset the game
- Multilingual support


## Frequently asked questions

### Is Boo! free?

Boo! is free to download, with in-app purchases available.

### Is Kitty Q free?

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

### Which has better reviews, Boo! or Kitty Q?

Kitty Q is rated higher. Boo! averages 4.8 out of 5 from 201 ratings, while Kitty Q averages 4.9 from 400 ratings.

### Do Boo! or Kitty Q have ads?

Boo! shows ads; Kitty Q does not.

### Which is updated more often, Boo! or Kitty Q?

Boo! ships an update every 5 months, and Kitty Q every 13 months. Most recently, Boo! was updated on October 26, 2026 and Kitty Q on October 27, 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.*