# 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 9 days. The most recent releases landed on October 31, 2026 and November 6, 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 9 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-learn-with-hints/id6807072076)

**Features:** macOS Compatibility, Vision Pro support, iPhone Duo 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 9 days. Most recently, Sudoku Note was updated on October 31, 2026 and Paper Sudoku on November 6, 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.*