Comparison

JavaScript前端面试手册(JSea) vs API Zen

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

Head to head
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." }, ]

About

API Zen

Features
Read full description

API Zen brings the convenience of HTTP API endpoint testing on the go. With its intuitive request composer and detailed response information, it helps developers test endpoints with ease. Main features • Simple and intuitive request composer and viewer • Supports headers, request parameters, request body with JSON, XML, raw input, forms with file, image attachments, multipart and binary data • Organize endpoints into workspaces and projects • Enable iCloud syncing when creating a new workspace. If syncing is disabled workspace will be created on device only. • Seamless switching between local and iCloud workspaces • Option to add custom HTTP methods per project • Detailed response information which includes headers, cookies, metrics and connection information • View raw response with syntax highlighting • Preview HTML response output as web page • View all response history • SSL validation per request • Environment group with variables per workspace with option to select different environment per request • Supports dark mode • Import/Export workspace data API Zen is free for use. The app accepts optional donations which supports the development work.

Screenshots

JavaScript前端面试手册(JSea)4 screens
API Zen4 screens

Verdict

The call

The clearest difference is update cadence: JavaScript前端面试手册(JSea) at every 10 days against API Zen's every 2 months. API Zen's advantage is iOS requirement (13.0 vs 17.0). On price, ads, in-app purchases 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 and API Zen sells 3 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

JavaScript前端面试手册(JSea) ships an update every 10 days, API Zen every 2 months. The most recent releases landed on September 10, 2026 and September 15, 2026 respectively.

Scorecard2 real differences · 8 level
JavaScript前端面试手册(JSea) versus API Zen: the parameters behind the verdict, then further details
ParameterJavaScript前端面试手册(JSea)API Zen
PriceFreeFree
Rating4.6 (9 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings9 — better—
Update frequencyEvery 10 days — betterEvery 2 months
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchases—
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS17.013.0 — better
Further details — not scored
Size62 MB7 MB
Age rating4+4+
Developer雷 戴Jaseem Valiya Valappil

In-app purchases

1 purchases

JavaScript前端面试手册(JSea)

One-time1
  • Get Pro$0.99
3 purchases

API Zen

One-time3
  • Thanks$3.99
  • Thank you$5.99
  • Thank you very much$7.99

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 API Zen free?
API Zen is free to download, with in-app purchases available.
Do JavaScript前端面试手册(JSea) or API Zen have ads?
Neither JavaScript前端面试手册(JSea) nor API Zen shows ads.
Which is updated more often, JavaScript前端面试手册(JSea) or API Zen?
JavaScript前端面试手册(JSea) ships an update every 10 days, and API Zen every 2 months. Most recently, JavaScript前端面试手册(JSea) was updated on September 10, 2026 and API Zen on September 15, 2026.

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