Comparison

XHelper vs JavaScript前端面试手册(JSea)

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

XHelper

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
Read full description

XHelper is a simple utility for developers. Features - Hash strings using SHA256. - Epoch & Unix timestamp conversion tools. - Encode strings with base64. - Decode base64 strings. If you have any issues or ways to improve the app. Please don't hesitate to reach out.

About

JavaScript前端面试手册(JSea)

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
Read full description

JSea for JavaScript is a comprehensive interview preparation app for front-end developers. It offers a variety of features to help you ace your next interview, including: 1. JS Basics Tutorial: A comprehensive tutorial covering the fundamentals of JavaScript. 2.JS Algorithms Tutorial: Learn about common algorithms and data structures, with explanations and links to further reading. 3. 1000+ Interview Questions: Practice with a wide range of interview questions, including those covering JavaScript, Angular, ReactJS, and VueJS. 4. Detailed Answers: Get detailed explanations for each question, helping you understand the concepts behind the answers. JSea for JavaScript is the perfect tool for front-end developers who want to improve their interview skills and land their dream job. Download it today and start preparing for your next interview!  [ { "feature": "1. JavaScript Tutorial", "info": "A very simple tutorial for teaching programming basics with Javascript." }, { "feature": "2. JavaScript Algorithms", "info": "Algorithms and data structures implemented in JavaScript with explanations and links to further readings." }, { "feature": "3. Algorithms and Problem Solving", "info": "The data structure and algorithm analysis tutorial takes you into a more advanced computer world, selects 150+ algorithm solutions, and provides JavaScript code solution." }, { "feature": "4. JavaScript Interview", "info": "1000+ Interview Questions including those covering JavaScript, Angular, ReactJS, and VueJS." }, ]

Screenshots

XHelper4 screens
JavaScript前端面试手册(JSea)4 screens

Verdict

The call

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.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

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.

UpkeepUpdate frequency

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.

Scorecard3 real differences · 7 level
XHelper versus JavaScript前端面试手册(JSea): the parameters behind the verdict, then further details
ParameterXHelperJavaScript前端面试手册(JSea)
PriceFreeFree
Rating—4.6 (9 ratings) — better
Positive reviews100.0% of reviews100.0% of reviews
Number of ratings—9 — better
Update frequencyEvery 16 monthsEvery 10 days — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPad, Mac — betteriPhone, iPad
Requires iOS18.017.0 — better
Further details — not scored
Size1 MB62 MB
Age rating4+4+
DeveloperVea Software LLC雷 戴

Customer experience

XHelper

Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

JavaScript前端面试手册(JSea)

All ratings9 ratings
Positive88.9%
Neutral0.0%
Negative11.1%
Written reviews2 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

XHelper

No in-app purchases

1 purchases

JavaScript前端面试手册(JSea)

One-time1
  • Get Pro$0.99

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.

Other comparisons