# JavaScript前端面试手册(JSea) vs iKeleton OSC

The clearest difference is price: JavaScript前端面试手册(JSea) at Free against iKeleton OSC's $4.99. JavaScript前端面试手册(JSea) also leads on update cadence (every 10 days vs every 24 months) and ratings volume (9 vs 3). iKeleton OSC's advantage is in-app purchases (none vs 1) and rating (5.0 vs 4.6). On ads and device support there is nothing between them.

JavaScript前端面试手册(JSea) is free to download; iKeleton OSC costs $4.99 up front. JavaScript前端面试手册(JSea) sells 1 one-off in-app purchase. iKeleton OSC asks for nothing beyond the download.

iKeleton OSC holds the better App Store score, 5.0 against 4.6. Both are backed by a comparable volume of ratings — 9 and 3 respectively.

JavaScript前端面试手册(JSea) ships an update every 10 days, iKeleton OSC every 24 months. The most recent releases landed on September 28, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | JavaScript前端面试手册(JSea) | iKeleton OSC |
| --- | --- | --- |
| Price | **Free** | $4.99 |
| Rating | [4.6 (9 ratings)](https://appshunter.io/ios/app/javascriptjsea/id6444237224/reviews) | **[5.0 (3 ratings)](https://appshunter.io/ios/app/ikeleton-osc/id6448196217/reviews)** |
| Number of ratings | **9** | 3 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 10 days** | Every 24 months |
| Monetization | **Free with in-app purchases** | Paid |
| Best chart rank | — | **#151** |
| Size | 62 MB | 4 MB |
| Requires iOS | 17.0 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [雷 戴](https://appshunter.io/developer/696880612) | [Gwangyu Lee](https://appshunter.io/developer/1683904838) |

## What reviewers say

### JavaScript前端面试手册(JSea)

[App page](https://appshunter.io/ios/app/javascriptjsea/id6444237224)

Prepare for front-end developer interviews with this app. It provides tutorials on JS basics and algorithms, plus over 1000 interview questions with detailed answers for JavaScript, Angular, ReactJS, and VueJS.

**Highlights:** JS Basics Tutorial, JS Algorithms Tutorial, 1000+ Interview Questions, Detailed Answers, Angular, ReactJS, VueJS Coverage

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Get Pro | $0.99 | one-time |


### iKeleton OSC

[App page](https://appshunter.io/ios/app/ikeleton-osc/id6448196217)

**Currently charting:** #151 Top Paid · Developer Tools (US App Store)

This app captures body tracking data and transmits it to other devices via OSC. It's ideal for creating multimedia content by integrating motion data with various devices. Requires an A12 Bionic processor or newer for body tracking.

**Highlights:** Body tracking data capture, OSC protocol transmission, Multimedia content creation, Cross-device data sharing, Requires A12 Bionic processor or newer

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

**In-app purchases:** none


## Frequently asked questions

### Is JavaScript前端面试手册(JSea) free?

JavaScript前端面试手册(JSea) is free to download, with in-app purchases available.

### Is iKeleton OSC free?

iKeleton OSC costs $4.99, with no in-app purchases.

### Which has better reviews, JavaScript前端面试手册(JSea) or iKeleton OSC?

iKeleton OSC is rated higher. JavaScript前端面试手册(JSea) averages 4.6 out of 5 from 9 ratings, while iKeleton OSC averages 5.0 from 3 ratings.

### Do JavaScript前端面试手册(JSea) or iKeleton OSC have ads?

Neither JavaScript前端面试手册(JSea) nor iKeleton OSC shows ads.

### Which is updated more often, JavaScript前端面试手册(JSea) or iKeleton OSC?

JavaScript前端面试手册(JSea) ships an update every 10 days, and iKeleton OSC every 24 months. Most recently, JavaScript前端面试手册(JSea) was updated on September 28, 2026 and iKeleton OSC on September 19, 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.*