# 数独解谜 vs 清北道远课堂

The clearest difference is in-app purchases: 数独解谜 at none against 清北道远课堂's 10. 数独解谜 also leads on device support. On price and iOS requirement there is nothing between them.

Both are free to download. 清北道远课堂 sells 10 one-off in-app purchases. 数独解谜 asks for nothing beyond the download.

## The numbers

| Metric | 数独解谜 | 清北道远课堂 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.0 (1 ratings)](https://appshunter.io/ios/app/ai/id1434018437/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | **No** | Yes |
| Ads | No | — |
| Monetization | Free | — |
| Size | 11 MB | 50 MB |
| Requires iOS | 13.0 | **12.0** |
| Devices | **iPhone, iPod** | — |
| Age rating | 4+ | 4+ |
| Developer | [佳俊 顾](https://appshunter.io/developer/723276801) | [Beijing Qingbei Daoyuan Information TECHNOLOGY CO LTD](https://appshunter.io/developer/1492213038) |

## What reviewers say

### 数独解谜

[App page](https://appshunter.io/ios/app/ai/id1434018437)

This app uses AI to recognize Sudoku puzzles from photos and solve them. You can manually adjust numbers and choose to reveal or hide the solution.

**Highlights:** Photo recognition of Sudoku puzzles, Machine learning for number identification, Manual number adjustment, One-click solution generation, Option to hide/reveal answers

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

**In-app purchases:** none


### 清北道远课堂

[App page](https://appshunter.io/ios/app/id1661394870)

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 区域地理精品课 | $299.99 | one-time |
| 现代语文精品课 | $349.99 | one-time |
| 人文地理精品课 | $349.99 | one-time |
| 分子与细胞精品课 | $349.99 | one-time |
| 化学反应原理精品课 | $349.99 | one-time |
| 自然地理精品课 | $349.99 | one-time |
| 世界史精品课 | $399.99 | one-time |
| 生物精品课合集 | $599.99 | one-time |
| 地理精品课合集 | $599.99 | one-time |
| 历史精品课合集 | $599.99 | one-time |


## Frequently asked questions

### Is 数独解谜 free?

数独解谜 is free to download, with no in-app purchases.

### Is 清北道远课堂 free?

清北道远课堂 is free to download, with in-app purchases available.

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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.*