# Catdoku vs Bubble Pops

The clearest difference is price: Bubble Pops at Free against Catdoku's $1.99. Bubble Pops also leads on update cadence (daily vs every 3 weeks) and iOS requirement (13.0 vs 16.6). Catdoku's advantage is in-app purchases (none vs 10) and ads (none vs shown). On device support there is nothing between them.

Bubble Pops is free to download; Catdoku costs $1.99 up front. Bubble Pops sells 10 one-off in-app purchases. Catdoku asks for nothing beyond the download.

Catdoku ships an update every 3 weeks, Bubble Pops daily. The most recent releases landed on September 11, 2026 and September 20, 2026 respectively.

## The numbers

| Metric | Catdoku | Bubble Pops |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 3 weeks | **Daily** |
| Monetization | Paid | — |
| Size | 55 MB | 166 MB |
| Requires iOS | 16.6 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Sergio Marin](https://appshunter.io/developer/1731012600) | [cookapps](https://appshunter.io/developer/626650864) |

## What reviewers say

### Catdoku

[App page](https://appshunter.io/ios/app/catdoku/id6477891720)

This puzzle game reimagines Sudoku by replacing numbers with cute cats. It offers various grid sizes and daily challenges to keep players engaged. Enjoy a relaxing yet mentally stimulating experience with a feline twist.

**Highlights:** Cat-themed Sudoku gameplay, Multiple grid sizes (4x4, 6x6, 9x9), Daily puzzle challenges, Suitable for beginners and pros, Relaxing and mentally stimulating

**Features:** macOS Compatibility

**In-app purchases:** none


### Bubble Pops

[App page](https://appshunter.io/ios/app/bubble-pops-blast-in-3d/id6755452733)

**Features:** macOS Compatibility

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Starter Pack | $1.99 | one-time |
| Mini Coin Package | $1.99 | one-time |
| No Ads Pack | $4.99 | one-time |
| Small Coin Package | $7.99 | one-time |
| Heart Item Pack | $7.99 | one-time |
| Middle Coin Package | $14.99 | one-time |
| Heart Coin Pack | $29.99 | one-time |
| Big Coin Package | $29.99 | one-time |
| Super Coin Package | $54.99 | one-time |
| Mega Coin Package | $99.99 | one-time |


## Frequently asked questions

### Is Catdoku free?

Catdoku costs $1.99, with no in-app purchases.

### Is Bubble Pops free?

Bubble Pops is free to download, with in-app purchases available.

### Do Catdoku or Bubble Pops have ads?

Bubble Pops shows ads; Catdoku does not.

### Which is updated more often, Catdoku or Bubble Pops?

Catdoku ships an update every 3 weeks, and Bubble Pops daily. Most recently, Catdoku was updated on September 11, 2026 and Bubble Pops on September 20, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*