# Senryu Note vs Sudoku Generator

The clearest difference is ads: Sudoku Generator at none against Senryu Note's shown. Sudoku Generator also leads on update cadence (every 2 days vs every 2 months). Senryu Note's advantage is iOS requirement (14.0 vs 17.6). On price, in-app purchases and device support there is nothing between them.

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

Senryu Note ships an update every 2 months, Sudoku Generator every 2 days. The most recent releases landed on October 11, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | Senryu Note | Sudoku Generator |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | **Every 2 days** |
| Monetization | — | Free |
| Size | 8 MB | 6 MB |
| Requires iOS | **14.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Mihoko Araki](https://appshunter.io/developer/1476136915) | [云涛 贾](https://appshunter.io/developer/1887721892) |

## What reviewers say

### Senryu Note

[App page](https://appshunter.io/ios/app/senryu-note/id1619329524)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| No Ads | $2.99 | one-time |


### Sudoku Generator

[App page](https://appshunter.io/ios/app/sudoku-generator-sudokuprint/id6769451072)

Generate and print multiple Sudoku puzzles on an A4 page. Customize grid sizes, difficulty, and layout for printable worksheets. Ideal for personal practice, classroom exercises, or creating puzzle collections.

**Highlights:** Batch printing of Sudoku puzzles, Multiple grid sizes (3x3 to 20x20), Adjustable difficulty levels, Smart A4 layout optimization, High-resolution PNG export, Direct AirPrint compatibility

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlimited Export | $0.99 | one-time |


## Frequently asked questions

### Is Senryu Note free?

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

### Is Sudoku Generator free?

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

### Do Senryu Note or Sudoku Generator have ads?

Senryu Note shows ads; Sudoku Generator does not.

### Which is updated more often, Senryu Note or Sudoku Generator?

Senryu Note ships an update every 2 months, and Sudoku Generator every 2 days. Most recently, Senryu Note was updated on October 11, 2026 and Sudoku Generator on October 17, 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.*