# 数独 vs 24点口算

The clearest difference is in-app purchases: 数独 at none against 24点口算's 3. 24点口算's advantage is update cadence (every 2 months vs every 37 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. 24点口算 sells 3 one-off in-app purchases. 数独 asks for nothing beyond the download.

数独 ships an update every 37 months, 24点口算 every 2 months. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | 数独 | 24点口算 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (56 ratings)](https://appshunter.io/ios/app/id1582743885/reviews)** | — |
| Number of ratings | **56** | — |
| Positive reviews | 96.9% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 37 months | **Every 2 months** |
| Monetization | Free with in-app purchases | — |
| Size | 74 MB | 42 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 9+ |
| Developer | [建华 范](https://appshunter.io/developer/1444536951) | [杭州家之馨电子商务有限公司](https://appshunter.io/developer/1641228139) |

## What reviewers say

### 数独

[App page](https://appshunter.io/ios/app/id1582743885)

Enjoy the classic logic puzzle with a clean interface and no ads or in-app purchases. Offers various grid sizes and difficulty levels to challenge your mind. Features customizable skins and a night mode for comfortable play.

**Highlights:** No ads, no in-app purchases, Multiple grid sizes (4x4, 6x6, 8x8, 9x9), 12 difficulty levels, Customizable skins, Night mode, Unlimited hints

**Features:** macOS Compatibility

**In-app purchases:** none


### 24点口算

[App page](https://appshunter.io/ios/app/24/id6443912541)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 月度会员 | $4.99 | one-time |
| 半年会员 | $7.99 | one-time |
| 年度会员 | $9.99 | one-time |


## Frequently asked questions

### Is 数独 free?

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

### Is 24点口算 free?

24点口算 is free to download, with in-app purchases available.

### Do 数独 or 24点口算 have ads?

Both 数独 and 24点口算 show ads.

### Which is updated more often, 数独 or 24点口算?

数独 ships an update every 37 months, and 24点口算 every 2 months. Most recently, 数独 was updated on October 24, 2026 and 24点口算 on October 25, 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.*