# Sudoku Note vs Inkgrid Sudoku

The clearest difference is rating: Inkgrid Sudoku at 4.0 against Sudoku Note's 3.5. Inkgrid Sudoku also leads on monetization model (free vs free with in-app purchases) and iOS requirement (16.0 vs 26.0). Sudoku Note's advantage is update cadence (weekly vs every 5 weeks). On price, ratings volume, ads and in-app purchases there is nothing between them.

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

Inkgrid Sudoku holds the better App Store score, 4.0 against 3.5. Both are backed by a comparable volume of ratings — 2 and 1 respectively.

Sudoku Note ships an update weekly, Inkgrid Sudoku every 5 weeks. The most recent releases landed on October 31, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Sudoku Note | Inkgrid Sudoku |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.5 (2 ratings)](https://appshunter.io/ios/app/sudoku-note/id6757120330/reviews) | **[4.0 (1 ratings)](https://appshunter.io/ios/app/inkgrid-sudoku/id6761793330/reviews)** |
| Number of ratings | **2** | 1 |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Weekly** | Every 5 weeks |
| Monetization | Free with in-app purchases | **Free** |
| Size | 46 MB | 22 MB |
| Requires iOS | 26.0 | **16.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Eunjeong Im](https://appshunter.io/developer/1530216032) | [YUHUI WANG](https://appshunter.io/developer/1888324190) |

## 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 |


### Inkgrid Sudoku

[App page](https://appshunter.io/ios/app/inkgrid-sudoku/id6761793330)

Enjoy daily Sudoku puzzles with a newspaper-like feel. Offers various play modes, learning tools, and detailed stats. Share your progress with friends.

**Highlights:** Daily new Sudoku puzzles, Endless puzzle mode, Enter your own puzzles, Interactive solving techniques, Multiple play modes, Solution replays, Progress tracking and stats

**Features:** Family Sharing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Inkgrid Premium | $3.99 | one-time |


## Frequently asked questions

### Is Sudoku Note free?

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

### Is Inkgrid Sudoku free?

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

### Which has better reviews, Sudoku Note or Inkgrid Sudoku?

Inkgrid Sudoku is rated higher. Sudoku Note averages 3.5 out of 5 from 2 ratings, while Inkgrid Sudoku averages 4.0 from 1 ratings.

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

Neither Sudoku Note nor Inkgrid Sudoku shows ads.

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

Sudoku Note ships an update weekly, and Inkgrid Sudoku every 5 weeks. Most recently, Sudoku Note was updated on October 31, 2026 and Inkgrid Sudoku on October 24, 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.*