# XHelper vs JavaScript前端面试手册(JSea)

The clearest difference is in-app purchases: XHelper at none against JavaScript前端面试手册(JSea)'s 1. JavaScript前端面试手册(JSea)'s advantage is update cadence (every 10 days vs every 16 months). On price, review sentiment, ads and device support there is nothing between them.

Both are free to download. JavaScript前端面试手册(JSea) sells 1 one-off in-app purchase. XHelper asks for nothing beyond the download.

XHelper ships an update every 16 months, JavaScript前端面试手册(JSea) every 10 days. The most recent releases landed on September 14, 2026 and September 28, 2026 respectively.

## The numbers

| Metric | XHelper | JavaScript前端面试手册(JSea) |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.6 (9 ratings)](https://appshunter.io/ios/app/javascriptjsea/id6444237224/reviews)** |
| Number of ratings | — | **9** |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 16 months | **Every 10 days** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 1 MB | 62 MB |
| Requires iOS | 18.0 | **17.0** |
| Devices | **iPhone, iPad, Mac** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Vea Software LLC](https://appshunter.io/developer/578466740) | [雷 戴](https://appshunter.io/developer/696880612) |

## What reviewers say

### XHelper

[App page](https://appshunter.io/ios/app/xhelper/id1329601633)

A straightforward utility for developers to perform common cryptographic and encoding tasks. It allows hashing strings with SHA256, converting between epoch and Unix timestamps, and encoding/decoding with base64.

**Highlights:** SHA256 string hashing, Epoch and Unix timestamp conversion, Base64 encoding, Base64 decoding

**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 | $0.99 | one-time |


## Frequently asked questions

### Is XHelper free?

XHelper is free to download, 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 XHelper or JavaScript前端面试手册(JSea) have ads?

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

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

XHelper ships an update every 16 months, and JavaScript前端面试手册(JSea) every 10 days. Most recently, XHelper was updated on September 14, 2026 and JavaScript前端面试手册(JSea) on September 28, 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.*