# SQL教程 vs 亲戚关系计算器

The clearest difference is in-app purchases: 亲戚关系计算器 at none against SQL教程's 1. 亲戚关系计算器 also leads on ads (none vs shown) and update cadence (every 3 weeks vs every 4 months). On price, device support and iOS requirement there is nothing between them.

Both are free to download. SQL教程 sells 1 one-off in-app purchase. 亲戚关系计算器 asks for nothing beyond the download.

SQL教程 ships an update every 4 months, 亲戚关系计算器 every 3 weeks. The most recent releases landed on September 30, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | SQL教程 | 亲戚关系计算器 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/sql/id1459206680/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 4 months | **Every 3 weeks** |
| Monetization | Free with in-app purchases | — |
| Size | 13 MB | 59 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [宏斌 樊](https://appshunter.io/developer/1452129040) | [Chengdu Fuli Bo Technology Co. LTD](https://appshunter.io/developer/1649260773) |

## What reviewers say

### SQL教程

[App page](https://appshunter.io/ios/app/sql/id1459206680)

This app offers comprehensive tutorials on SQL and database systems, complete with practice questions. It features a bookmarking system, image zooming, and adjustable font sizes for a personalized learning experience. Users can easily navigate through content and switch between portrait and landscape modes.

**Highlights:** SQL and database system tutorials, Practice question bank, Bookmark last read position, Image zooming, Adjustable font sizes, Portrait and landscape modes

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 去除广告插件 | $3.99 | one-time |


### 亲戚关系计算器

[App page](https://appshunter.io/ios/app/id6754026691)

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

**In-app purchases:** none


## Frequently asked questions

### Is SQL教程 free?

SQL教程 is free to download, with in-app purchases available.

### Is 亲戚关系计算器 free?

亲戚关系计算器 is free to download, with no in-app purchases.

### Do SQL教程 or 亲戚关系计算器 have ads?

SQL教程 shows ads; 亲戚关系计算器 does not.

### Which is updated more often, SQL教程 or 亲戚关系计算器?

SQL教程 ships an update every 4 months, and 亲戚关系计算器 every 3 weeks. Most recently, SQL教程 was updated on September 30, 2026 and 亲戚关系计算器 on October 6, 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.*