# Sudoku Tutor vs だるまメモリードロップ

The clearest difference is ads: だるまメモリードロップ at none against Sudoku Tutor's shown. だるまメモリードロップ also leads on device support (4 vs 2) and iOS requirement (13.0 vs 17.6). On price, update cadence and in-app purchases there is nothing between them.

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

Sudoku Tutor ships an update every 3 weeks, だるまメモリードロップ fortnightly. The most recent releases landed on October 15, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | Sudoku Tutor | だるまメモリードロップ |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 3 weeks | **Fortnightly** |
| Size | 13 MB | 137 MB |
| Requires iOS | 17.6 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Kenichi Nakagawa](https://appshunter.io/developer/1831663034) | [michiaki shimada](https://appshunter.io/developer/1892736293) |

## What reviewers say

### Sudoku Tutor

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

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

**In-app purchases:** none


### だるまメモリードロップ

[App page](https://appshunter.io/ios/app/id6786693684)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Sudoku Tutor free?

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

### Is だるまメモリードロップ free?

だるまメモリードロップ is free to download, with no in-app purchases.

### Do Sudoku Tutor or だるまメモリードロップ have ads?

Sudoku Tutor shows ads; だるまメモリードロップ does not.

### Which is updated more often, Sudoku Tutor or だるまメモリードロップ?

Sudoku Tutor ships an update every 3 weeks, and だるまメモリードロップ fortnightly. Most recently, Sudoku Tutor was updated on October 15, 2026 and だるまメモリードロップ on October 13, 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.*