# sudoku.studio vs Pupini

The clearest difference is price: sudoku.studio at Free against Pupini's $0.99. On update cadence, ads, in-app purchases and device support there is nothing between them.

sudoku.studio is free to download; Pupini costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

sudoku.studio ships an update every 4 months, Pupini every 2 months. The most recent releases landed on October 17, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | sudoku.studio | Pupini |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 2 months** |
| Size | 41 MB | 189 MB |
| Requires iOS | 15.1 | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Marcin Wojtera](https://appshunter.io/developer/1737207012) | [Sara Donczewska](https://appshunter.io/developer/1866964375) |

## What reviewers say

### sudoku.studio

[App page](https://appshunter.io/ios/app/sudokustudio/id6756391465)

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

**In-app purchases:** none


### Pupini

[App page](https://appshunter.io/ios/app/pupini/id6758520165)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is sudoku.studio free?

sudoku.studio is free to download, with no in-app purchases.

### Is Pupini free?

Pupini costs $0.99, with no in-app purchases.

### Do sudoku.studio or Pupini have ads?

Neither sudoku.studio nor Pupini shows ads.

### Which is updated more often, sudoku.studio or Pupini?

sudoku.studio ships an update every 4 months, and Pupini every 2 months. Most recently, sudoku.studio was updated on October 17, 2026 and Pupini on October 28, 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.*