# 数独侦探手 vs Math24 Puzzles

The clearest difference is in-app purchases: 数独侦探手 at none against Math24 Puzzles's 7. 数独侦探手 also leads on iOS requirement (12.0 vs 16.6). On price, ads and device support there is nothing between them.

Both are free to download. Math24 Puzzles sells 7 in-app purchases, starting at $3.99 per month. 数独侦探手 asks for nothing beyond the download.

## The numbers

| Metric | 数独侦探手 | Math24 Puzzles |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/math24-puzzles/id6757363803/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | — | Every 2 days |
| Monetization | — | Free |
| Size | 25 MB | 14 MB |
| Requires iOS | **12.0** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Zhuhai Record Yi Technology Co.,Ltd.](https://appshunter.io/developer/1638483191) | [青青 胡](https://appshunter.io/developer/1866328401) |

## What reviewers say

### 数独侦探手

[App page](https://appshunter.io/ios/app/id6745168821)

**Features:** macOS Compatibility

**In-app purchases:** none


### Math24 Puzzles

[App page](https://appshunter.io/ios/app/math24-puzzles/id6757363803)

This app offers a comprehensive brain training system based on the "24 Game," featuring over 1,300 levels with a 9-step difficulty progression. It includes an AI math coach to analyze thinking patterns and provide step-by-step solutions, with printable worksheets and audio mode for flexible learning.

**Highlights:** 1,362 curated levels, 9-step difficulty progression, AI math coach for personalized guidance, Logic insight and solution reconstruction, Printable PDF worksheets, Audio mode for progress announcements, Customizable hint limits

**Features:** macOS Compatibility

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Membership | $3.99 | per month |
| Quarterly Membership | $9.99 | per 3 months |
| Annual Membership | $29.99 | per year |
| 20 Hint Keys | $2.99 | one-time |
| 50 Hint Keys | $5.99 | one-time |
| 100 Hint Keys | $7.99 | one-time |
| Permanently unlock 1362 levels | $17.99 | one-time |


## Frequently asked questions

### Is 数独侦探手 free?

数独侦探手 is free to download, with no in-app purchases.

### Is Math24 Puzzles free?

Math24 Puzzles is free to download, with in-app purchases available.

### Do 数独侦探手 or Math24 Puzzles have ads?

Neither 数独侦探手 nor Math24 Puzzles shows ads.

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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.*