# Scan Number Place vs Sudoku Tutor

The clearest difference is ads: Scan Number Place at none against Sudoku Tutor's shown. Sudoku Tutor's advantage is update cadence (every 3 weeks vs every 2 months). 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.

Scan Number Place ships an update every 2 months, Sudoku Tutor every 3 weeks. The most recent releases landed on September 11, 2026 and September 12, 2026 respectively.

## The numbers

| Metric | Scan Number Place | Sudoku Tutor |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Size | 3 MB | 13 MB |
| Requires iOS | **17.5** | 17.6 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Ryoji Deguchi](https://appshunter.io/developer/1366723584) | [Kenichi Nakagawa](https://appshunter.io/developer/1831663034) |

## What reviewers say

### Scan Number Place

[App page](https://appshunter.io/ios/app/scan-number-place/id1546410672)

**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 Scan Number Place free?

Scan Number Place 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 Scan Number Place or Sudoku Tutor have ads?

Sudoku Tutor shows ads; Scan Number Place does not.

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

Scan Number Place ships an update every 2 months, and Sudoku Tutor every 3 weeks. Most recently, Scan Number Place was updated on September 11, 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.*