# Sudoku 9×9 vs Remember

The clearest difference is in-app purchases: Sudoku 9×9 at none against Remember's 1. Remember's advantage is update cadence (every 4 days vs every 2 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Remember sells 1 one-off in-app purchase. Sudoku 9×9 asks for nothing beyond the download.

Sudoku 9×9 ships an update every 2 months, Remember every 4 days. The most recent releases landed on October 2, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Sudoku 9×9 | Remember |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 4 days** |
| Size | 1 MB | 78 MB |
| Requires iOS | 17.0 | **16.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Ryosuke Asano](https://appshunter.io/developer/1858758761) | [Yahmir LLC.](https://appshunter.io/developer/1877010650) |

## What reviewers say

### Sudoku 9×9

[App page](https://appshunter.io/ios/app/sudoku-99/id6757303711)

**Features:** macOS Compatibility

**In-app purchases:** none


### Remember

[App page](https://appshunter.io/ios/app/remember-memory-game/id6759132863)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $1.99 | one-time |


## Frequently asked questions

### Is Sudoku 9×9 free?

Sudoku 9×9 is free to download, with no in-app purchases.

### Is Remember free?

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

### Do Sudoku 9×9 or Remember have ads?

Neither Sudoku 9×9 nor Remember shows ads.

### Which is updated more often, Sudoku 9×9 or Remember?

Sudoku 9×9 ships an update every 2 months, and Remember every 4 days. Most recently, Sudoku 9×9 was updated on October 2, 2026 and Remember 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.*