# Kitty Falling Blocks vs Buttons Color Sort 3D

The clearest difference is in-app purchases: Buttons Color Sort 3D at none against Kitty Falling Blocks's 2. Buttons Color Sort 3D also leads on ads (none vs shown) and update cadence (every 3 weeks vs every 3 months). On price and device support there is nothing between them.

Both are free to download. Kitty Falling Blocks sells 2 one-off in-app purchases. Buttons Color Sort 3D asks for nothing beyond the download.

Kitty Falling Blocks ships an update every 3 months, Buttons Color Sort 3D every 3 weeks. The most recent releases landed on August 12, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | Kitty Falling Blocks | Buttons Color Sort 3D |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 3 months | **Every 3 weeks** |
| Size | 34 MB | 52 MB |
| Requires iOS | 13.0 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Mihoko Araki](https://appshunter.io/developer/1476136915) | [Muhammad Saqib](https://appshunter.io/developer/1628308754) |

## What reviewers say

### Kitty Falling Blocks

[App page](https://appshunter.io/ios/app/kitty-falling-blocks/id6450643251)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Infinite Life | $0.99 | one-time |
| Kitty with no ads | $0.99 | one-time |


### Buttons Color Sort 3D

[App page](https://appshunter.io/ios/app/buttons-color-sort-3d-fun-sort/id6673897643)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Kitty Falling Blocks free?

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

### Is Buttons Color Sort 3D free?

Buttons Color Sort 3D is free to download, with no in-app purchases.

### Do Kitty Falling Blocks or Buttons Color Sort 3D have ads?

Kitty Falling Blocks shows ads; Buttons Color Sort 3D does not.

### Which is updated more often, Kitty Falling Blocks or Buttons Color Sort 3D?

Kitty Falling Blocks ships an update every 3 months, and Buttons Color Sort 3D every 3 weeks. Most recently, Kitty Falling Blocks was updated on August 12, 2026 and Buttons Color Sort 3D on September 9, 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.*