# Number Place Class vs Sudoku Tutor

The clearest difference is ads: Number Place Class at none against Sudoku Tutor's shown. Number Place Class also leads on update cadence (every 6 days vs every 3 weeks). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Number Place Class ships an update every 6 days, Sudoku Tutor every 3 weeks. The most recent releases landed on September 17, 2026 and September 12, 2026 respectively.

## The numbers

| Metric | Number Place Class | Sudoku Tutor |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Every 6 days** | Every 3 weeks |
| Size | 6 MB | 13 MB |
| Requires iOS | 18.6 | **17.6** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Yukihiro Shioya](https://appshunter.io/developer/1565306192) | [Kenichi Nakagawa](https://appshunter.io/developer/1831663034) |

## 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 Tutor

[App page](https://appshunter.io/ios/app/sudoku-tutor-camera-solver/id6755796331)

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

**In-app purchases:** none


## Frequently asked questions

### Is Number Place Class free?

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

### Is Sudoku Tutor free?

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

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

Sudoku Tutor shows ads; Number Place Class does not.

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

Number Place Class ships an update every 6 days, and Sudoku Tutor every 3 weeks. Most recently, Number Place Class was updated on September 17, 2026 and Sudoku Tutor on September 12, 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.*