# Sudoku Note vs Paper Sudoku

The clearest difference is ads: Sudoku Note at none against Paper Sudoku's shown. Paper Sudoku's advantage is iOS requirement (17.0 vs 26.0). On price, update cadence, in-app purchases and device support there is nothing between them.

Both are free to download. Sudoku Note sells 1 one-off in-app purchase and Paper Sudoku sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Sudoku Note ships an update weekly, Paper Sudoku every 10 days. The most recent releases landed on October 31, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | Sudoku Note | Paper Sudoku |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.5 (2 ratings)](https://appshunter.io/ios/app/sudoku-note/id6757120330/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | **Weekly** | Every 10 days |
| Monetization | Free with in-app purchases | — |
| Size | 46 MB | 7 MB |
| Requires iOS | 26.0 | **17.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Eunjeong Im](https://appshunter.io/developer/1530216032) | [Liam Todd](https://appshunter.io/developer/1893728464) |

## What reviewers say

### Sudoku Note

[App page](https://appshunter.io/ios/app/sudoku-note/id6757120330)

Enjoy Sudoku with a paper-like experience using your finger or Apple Pencil. This app features handwriting recognition for input and puzzles designed with step-by-step difficulty explanations.

**Highlights:** Handwritten number input, Apple Pencil support, Handwriting recognition, Step-by-step puzzle difficulty, Detailed solving technique explanations

**Features:** Family Sharing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Sudoku Note I | $3.99 | one-time |


### Paper Sudoku

[App page](https://appshunter.io/ios/app/paper-sudoku/id6807072076)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Paper Sudoku Pro | $2.99 | one-time |


## Frequently asked questions

### Is Sudoku Note free?

Sudoku Note is free to download, with in-app purchases available.

### Is Paper Sudoku free?

Paper Sudoku is free to download, with in-app purchases available.

### Do Sudoku Note or Paper Sudoku have ads?

Paper Sudoku shows ads; Sudoku Note does not.

### Which is updated more often, Sudoku Note or Paper Sudoku?

Sudoku Note ships an update weekly, and Paper Sudoku every 10 days. Most recently, Sudoku Note was updated on October 31, 2026 and Paper Sudoku on October 29, 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.*