# Bubble Sort 3D vs Kitty Brain Blocks

The clearest difference is in-app purchases: Kitty Brain Blocks at none against Bubble Sort 3D's 1. Bubble Sort 3D's advantage is iOS requirement (9.0 vs 15.0). On price, ads and device support there is nothing between them.

Both are free to download. Bubble Sort 3D sells 1 one-off in-app purchase. Kitty Brain Blocks asks for nothing beyond the download.

## The numbers

| Metric | Bubble Sort 3D | Kitty Brain Blocks |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.2 (109 ratings)](https://appshunter.io/ios/app/bubble-sort-3d-color-puzzle/id1494280341/reviews)** | — |
| Number of ratings | **109** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 weeks | — |
| Monetization | Free with in-app purchases | — |
| Size | 127 MB | 132 MB |
| Requires iOS | **9.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Omer Bashir](https://appshunter.io/developer/1422493051) | [Dao Quang Kinh](https://appshunter.io/developer/1896775363) |

## What reviewers say

### Bubble Sort 3D

[App page](https://appshunter.io/ios/app/bubble-sort-3d-color-puzzle/id1494280341)

A 3D puzzle game where players match colored balls into tubes. It offers hundreds of challenging levels that increase in difficulty with more balls and tubes. This brain teaser requires strategy and focus to solve.

**Highlights:** 3D color matching gameplay, Hundreds of challenging levels, Increasing difficulty with more balls and tubes, Logic puzzle solving, Brain teaser for all ages, Stunning graphics and effects

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| No Ads | $2.99 | one-time |


### Kitty Brain Blocks

[App page](https://appshunter.io/ios/app/kitty-brain-blocks/id6792197653)

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

**In-app purchases:** none


## Frequently asked questions

### Is Bubble Sort 3D free?

Bubble Sort 3D is free to download, with in-app purchases available.

### Is Kitty Brain Blocks free?

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

### Do Bubble Sort 3D or Kitty Brain Blocks have ads?

Neither Bubble Sort 3D nor Kitty Brain Blocks shows ads.

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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.*