# Javascript教程 vs 爱书猫

The clearest difference is in-app purchases: 爱书猫 at none against Javascript教程's 1. 爱书猫 also leads on ads (none vs shown) and update cadence (every 2 months vs every 4 months). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Javascript教程 sells 1 one-off in-app purchase. 爱书猫 asks for nothing beyond the download.

Javascript教程 ships an update every 4 months, 爱书猫 every 2 months. The most recent releases landed on June 20, 2026 and August 23, 2026 respectively.

## The numbers

| Metric | Javascript教程 | 爱书猫 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/javascript/id1434963430/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 4 months | **Every 2 months** |
| Monetization | Free with in-app purchases | — |
| Size | 67 MB | 45 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 17+ |
| Developer | [宏斌 樊](https://appshunter.io/developer/1452129040) | [Qingdao micron Network Technology Co., Ltd](https://appshunter.io/developer/1543158517) |

## What reviewers say

### Javascript教程

[App page](https://appshunter.io/ios/app/javascript/id1434963430)

Learn Javascript programming with this app, covering fundamentals, object-oriented concepts, and advanced topics. It includes a Q&A section for technical points and a comprehensive test bank to assess your knowledge. Features like bookmarking, image zooming, and adjustable font sizes enhance the learning experience.

**Highlights:** Javascript programming fundamentals, Object-oriented and advanced concepts, Technical Q&A, Test question bank, Bookmark last read position, Image zoom and font resizing, Swipe navigation and orientation support

**Features:** macOS Compatibility

**In-app purchases (1)**

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


### 爱书猫

[App page](https://appshunter.io/ios/app/id1551571843)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Javascript教程 free?

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

### Is 爱书猫 free?

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

### Do Javascript教程 or 爱书猫 have ads?

Javascript教程 shows ads; 爱书猫 does not.

### Which is updated more often, Javascript教程 or 爱书猫?

Javascript教程 ships an update every 4 months, and 爱书猫 every 2 months. Most recently, Javascript教程 was updated on June 20, 2026 and 爱书猫 on August 23, 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.*