# Number Place Class vs Sudoku

The clearest difference is in-app purchases: Number Place Class at none against Sudoku's 2. Number Place Class also leads on ads (none vs shown). Sudoku's advantage is iOS requirement (16.0 vs 18.6). On price, update cadence and device support there is nothing between them.

Both are free to download. Sudoku sells 2 one-off in-app purchases. Number Place Class asks for nothing beyond the download.

Number Place Class ships an update every 6 days, Sudoku every 3 days. The most recent releases landed on November 3, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Number Place Class | Sudoku |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 6 days | **Every 3 days** |
| Size | 6 MB | 147 MB |
| Requires iOS | 18.6 | **16.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Yukihiro Shioya](https://appshunter.io/developer/1565306192) | [KUO CHENG-YEN](https://appshunter.io/developer/1875151535) |

## What reviewers say

### Number Place Class

[App page](https://appshunter.io/ios/app/number-place-class/id1565306190)

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

**In-app purchases:** none


### Sudoku

[App page](https://appshunter.io/ios/app/sudoku-notes-games/id6760650479)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| bone | $0.99 | one-time |
| Unlock perks | $2.99 | one-time |


## Frequently asked questions

### Is Number Place Class free?

Number Place Class is free to download, with no in-app purchases.

### Is Sudoku free?

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

### Do Number Place Class or Sudoku have ads?

Sudoku shows ads; Number Place Class does not.

### Which is updated more often, Number Place Class or Sudoku?

Number Place Class ships an update every 6 days, and Sudoku every 3 days. Most recently, Number Place Class was updated on November 3, 2026 and Sudoku on October 28, 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.*