# Legacy Sudoku vs SudoEarth

The clearest difference is update cadence: SudoEarth at weekly against Legacy Sudoku's every 2 months. Legacy Sudoku's advantage is iOS requirement (15.0 vs 17.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Legacy Sudoku sells 1 one-off in-app purchase and SudoEarth sells 2 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

Legacy Sudoku ships an update every 2 months, SudoEarth weekly. The most recent releases landed on October 30, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Legacy Sudoku | SudoEarth |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Weekly** |
| Size | 141 MB | 30 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Peter Chira Kamau](https://appshunter.io/developer/1714160329) | [月 胡](https://appshunter.io/developer/1601604273) |

## What reviewers say

### Legacy Sudoku

[App page](https://appshunter.io/ios/app/legacy-sudoku/id6741679393)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $2.99 | one-time |


### SudoEarth

[App page](https://appshunter.io/ios/app/sudoearth/id6765543717)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| SudoEarth Premium · Monthly | $2.99 | per month |
| SudoEarth Premium · Yearly | $19.99 | per year |


## Frequently asked questions

### Is Legacy Sudoku free?

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

### Is SudoEarth free?

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

### Do Legacy Sudoku or SudoEarth have ads?

Neither Legacy Sudoku nor SudoEarth shows ads.

### Which is updated more often, Legacy Sudoku or SudoEarth?

Legacy Sudoku ships an update every 2 months, and SudoEarth weekly. Most recently, Legacy Sudoku was updated on October 30, 2026 and SudoEarth on October 25, 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.*