Comparison

Javascript教程 vs Ebook Formats Converter

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

Head to head
About

Javascript教程

Learn Javascript programming with this app, covering fundamentals, object-oriented concepts, and advanced topics. It includes a Q&A section for technical points and a comprehensive test bank to assess your knowledge. Features like bookmarking, image zooming, and adjustable font sizes enhance the learning experience.

Highlights
  • Javascript programming fundamentals
  • Object-oriented and advanced concepts
  • Technical Q&A
  • Test question bank
  • Bookmark last read position
  • Image zoom and font resizing
  • Swipe navigation and orientation support
Features
Read full description

Javascript教程是一款面向 JavaScript 学习者的离线阅读应用,适合初学者系统入门,也适合在需要时快速查阅基础概念和常用知识点。 应用内整理了 JavaScript 相关学习内容,覆盖语言基础、对象、函数、浏览器环境、DOM 操作、常见语法与进阶主题。内容随应用安装,打开即可阅读,适合通勤、碎片时间和无网络环境下学习。 主要功能: - 离线阅读 JavaScript 教程内容 - 按书籍和章节组织,查找更清晰 - 支持阅读进度记录,方便继续阅读 - 支持书签收藏,快速回到重点内容 - 支持字号调节和多种阅读模式 - 支持本地书库统计和最近阅读记录 - 支持应用内购买去除广告

About

Ebook Formats Converter

Easily convert ebooks between numerous formats like EPUB, MOBI, and PDF. Organize your library by editing metadata and access past conversions. Download or export files in batches with a user-friendly interface.

Highlights
  • Multiple ebook format conversion
  • Metadata editing
  • Conversion history
  • Batch download and export
  • User-friendly interface
Features
Read full description

Ebook Format Converter is a powerful and easy-to-use tool that supports converting between a wide range of ebook formats, including EPUB, AZW3, MOBI, PDF, DOCX, FB2, KEPUB, PDB, RTF, SNB, and TXT. Perfect for readers who need compatibility across different devices and apps. Key Features: - Format Conversion: Seamlessly convert between various popular and uncommon ebook formats with just one tap. - Metadata Editing: Customize or modify book title, author, and other metadata to keep your library organized. - Conversion History: Access past conversion records for easy management and re-downloads. - Download & Export: Quickly download converted files or export them in batches. - User-Friendly Interface: Clean and intuitive design makes it easy to use—even for beginners. Whether you need to read an EPUB on your Kindle, convert a MOBI to PDF for archiving, or edit book metadata, Ebook Format Converter is your all-in-one solution for ebook management and format compatibility. If you choose to purchase premium membership, payment will be charged to your iTunes account ,and your account will be charged for renewal within 24-hours prior to the end of the current period. Auto-renewal may be turned off at any time by going to your settings in the iTunes Store after purchase . Prices are in U.S. dollars, may vary in countries other than the U.S. and are subject to change without notice. No cancellation of the current subscription is allowed during the active subscription period. Privacy Policy: https://www.zkmeitian.com/page/privacy/ebookconverter User Agreement: https://www.zkmeitian.com/page/agreement/ebookconverter

Screenshots

Javascript教程4 screens
Ebook Formats Converter4 screens

Verdict

The call

The clearest difference is ads: Ebook Formats Converter at none against Javascript教程's shown. Ebook Formats Converter also leads on iOS requirement (12.0 vs 15.0). Javascript教程's advantage is review sentiment (100% vs 92%). On price, update cadence, in-app purchases and monetization model 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教程 sells 1 one-off in-app purchase and Ebook Formats Converter sells 3 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly every 4 months. The most recent releases landed on June 20, 2026 and September 16, 2026 respectively.

Scorecard3 real differences · 7 level
Javascript教程 versus Ebook Formats Converter: the parameters behind the verdict, then further details
ParameterJavascript教程Ebook Formats Converter
PriceFreeFree
Rating5.0 (1 ratings) — better—
Positive reviews100.0% of reviews — better91.7% of reviews
Number of ratings1 — better—
Update frequencyEvery 4 monthsEvery 4 months
AdsYesNo — better
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.012.0 — better
Further details — not scored
Size67 MB52 MB
Age rating4+4+
Developer宏斌 樊Meitian Trading

Customer experience

Javascript教程

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Ebook Formats Converter

Written reviews12 reviews
Positive91.7%
Neutral0.0%
Negative8.3%

In-app purchases

1 purchases

Javascript教程

One-time1
  • 去除广告插件$3.99
3 purchases

Ebook Formats Converter

Subscriptions3
  • VIP月会员$2.991 Month
  • VIP季会员$4.993 Months
  • VIP年会员$7.991 Year

Questions

Is Javascript教程 free?
Javascript教程 is free to download, with in-app purchases available.
Is Ebook Formats Converter free?
Ebook Formats Converter is free to download, with in-app purchases available.
Do Javascript教程 or Ebook Formats Converter have ads?
Javascript教程 shows ads; Ebook Formats Converter does not.
Which is updated more often, Javascript教程 or Ebook Formats Converter?
Javascript教程 ships an update every 4 months, and Ebook Formats Converter every 4 months. Most recently, Javascript教程 was updated on June 20, 2026 and Ebook Formats Converter on September 16, 2026.

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