# Fella vs JavaScript前端面试手册(JSea)

The clearest difference is price: JavaScript前端面试手册(JSea) at Free against Fella's $1.99. JavaScript前端面试手册(JSea) also leads on update cadence (fortnightly vs every 3 months). Fella's advantage is in-app purchases (none vs 1) and device support (4 vs 2). On ads there is nothing between them.

JavaScript前端面试手册(JSea) is free to download; Fella costs $1.99 up front. JavaScript前端面试手册(JSea) sells 1 one-off in-app purchase. Fella asks for nothing beyond the download.

Fella ships an update every 3 months, JavaScript前端面试手册(JSea) fortnightly. The most recent releases landed on October 8, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Fella | JavaScript前端面试手册(JSea) |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | — | **[4.6 (9 ratings)](https://appshunter.io/ios/app/javascriptjsea/id6444237224/reviews)** |
| Number of ratings | — | **9** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Fortnightly** |
| Monetization | — | Free with in-app purchases |
| Size | 4 MB | 58 MB |
| Requires iOS | **15.0** | 26.0 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [金友 胡](https://appshunter.io/developer/1562356894) | [雷 戴](https://appshunter.io/developer/696880612) |

## What reviewers say

### Fella

[App page](https://appshunter.io/ios/app/fella-project-i18n-tool/id1562360690)

**Features:** Vision Pro support

**In-app purchases:** none


### 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 | $1.99 | one-time |


## Frequently asked questions

### Is Fella free?

Fella costs $1.99, with no in-app purchases.

### 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.

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

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

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

Fella ships an update every 3 months, and JavaScript前端面试手册(JSea) fortnightly. Most recently, Fella was updated on October 8, 2026 and JavaScript前端面试手册(JSea) on October 24, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*