# 数独 vs 网课e族

The clearest difference is ads: 网课e族 at none against 数独's shown. 网课e族 also leads on update cadence (every 9 days vs every 37 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.

数独 ships an update every 37 months, 网课e族 every 9 days. The most recent releases landed on September 21, 2026 and May 17, 2026 respectively.

## The numbers

| Metric | 数独 | 网课e族 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (54 ratings)](https://appshunter.io/ios/app/id1582743885/reviews)** | — |
| Number of ratings | **54** | — |
| Positive reviews | 96.9% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 37 months | **Every 9 days** |
| Monetization | Free with in-app purchases | — |
| Size | 74 MB | 51 MB |
| Requires iOS | 13.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 12+ |
| Developer | [建华 范](https://appshunter.io/developer/1444536951) | [Hunan Baili Education Technology Co. Ltd](https://appshunter.io/developer/1555828634) |

## 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


### 网课e族

[App page](https://appshunter.io/ios/app/e/id1642689790)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 数独 free?

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

### Is 网课e族 free?

网课e族 is free to download, with no in-app purchases.

### Do 数独 or 网课e族 have ads?

数独 shows ads; 网课e族 does not.

### Which is updated more often, 数独 or 网课e族?

数独 ships an update every 37 months, and 网课e族 every 9 days. Most recently, 数独 was updated on September 21, 2026 and 网课e族 on May 17, 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.*