Comparison

Programming Hub vs DjVu to PDF

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

Head to head
About

Programming Hub

Learn to code through interactive, game-like lessons. Access over 5000 code examples and 35+ courses in various programming languages, all within a single app. Practice and build your skills with the world's fastest compiler.

Highlights
  • Interactive coding lessons
  • 5000+ code examples
  • 35+ programming courses
  • Fastest compiler on iOS
  • Concept-based illustrations
  • Categorized program view
Features
Read full description

Build your programming skills in a fun way. Learn to code with a game-like learning experience. Explore interactive coding lessons with a one-stop code learning app. Learn to code with HTML, Javascript, C, C++, C#, Swift, Python, R Programming, Java, Artificial Intelligence, CSS, etc. for free. You will learn to code like an expert, and also enjoy it like a game. It's easy, it's fast and it's fun! With a huge collection of 5000+ programs (code examples), 35+ courses, and the fastest compiler in the world, all your programming needs are bundled in a single app for your daily practice.

 What all programming languages you can learn with this coding tutor app?

 • Learn Java - Java is an object-oriented, general-purpose, high-level programming language.


 • Learn C Programming - C programming is a powerful general-purpose language. • Learn C++ - C++ is used nearly everywhere for everything from systems programming, numerical and scientific computing, web development, writing compilers, console games, desktop applications, and so on. • Learn HTML - HTML is the standard markup language for creating web pages and web applications.

 • Learn Javascript - JavaScript is a web programming language that is run by most browsers.

 • Learn R Programming: R is a programming language and software environment for statistical analysis, graphics representation, and reporting. With the “Programming Hub: Learn to code” app, you can -
 • Learn CSS
 • Learn VB.net 
• Learn C# (C Sharp)
 • Learn Python 2.7 • Learn Python 3 • Learn Linux Shell Scripting
 • Learn R Programming
 • Learn Swift
 • Learn SQL 
• Learn jQuery 
• Learn Assembly 8086 ************************** APP FEATURES ************************** While we make coding learning easy and fun, here are features that would make us your single choice to learn programming languages - • Programming Courses: To make your learning more interesting, our experts have created bite-sized and interactive courses that will help you learn programming like never before. • Programming & Coding Examples: 5000+ programs in 20+ programming languages and counting, programming hub has one of the largest collection of pre-compiled programs with output for practice and learning.

 • Compiler: The fastest compiler in the world on iOS with support to compile and run over 20+ programming languages. Other Features to improve your programming learning experience includes -
 1. Concept-based illustrations to easily learn to code in a fun way
 2. Interactive learning experience
 3. Quick Search for programs 
4. Categorized View for programs
 5. No Harmful Permissions required 
6. Periodic Updates with new programming examples and course content 7. Feedback and support from coding experts More on Programming Hub VIP Access and PRO membership: 

Programming Hub VIP Access gives you unlimited access to all courses, continuous extensions to the courses, and the additional courses we release on a regular basis. Programming Hub VIP Access is USD 5.99 for 3 months, quoted in U.S. dollars (prices may differ in countries other than the United States). Programming Hub PRO membership is USD 6.99 for 1 month, USD 14.59 for 3 months, and USD 41.99 for 1 year quoted in U.S. dollars (prices may differ in countries other than the United States). Upon confirmation of purchase, payment will be charged to your iTunes account and your account will be charged for renewal within 24 hours before the end of the current period at the price of the chosen subscription. Any unused portion of a trial period, if offered, will be forfeited when you purchase a subscription. You can cancel your subscription in the Account Settings section of your App Store or iTunes settings after you have made the purchase. Our Privacy Policy and Terms of Use are available at https://programminghub.io/legal. If you have any questions, don't hesitate to get in touch with us at hello@programminghub.io

About

DjVu to PDF

Easily convert DjVu files to PDF format with this user-friendly application. It offers fast, high-quality conversions, ensuring your documents remain intact and universally compatible. Ideal for students and professionals needing to simplify document management.

Highlights
  • Fast DjVu to PDF conversion
  • High-quality output preservation
  • Intuitive user interface
  • Secure file processing
  • Universal PDF compatibility
  • Easy file sharing
Features
Read full description

Welcome to DjVu to PDF Converter, the ultimate solution for seamlessly converting your DjVu files to PDF format on-the-go! This intuitive and user-friendly app is designed to provide you with a hassle-free experience, allowing you to effortlessly transform your DjVu documents into widely compatible and easily shareable PDF files. Key Features: Easy and Fast Conversion: With DjVu to PDF Converter, you can quickly convert your DjVu files into PDF format in just a few taps. Say goodbye to complex and time-consuming processes; our app streamlines the conversion for you. High-Quality Output: Preserve the integrity of your content during the conversion process. Our app ensures that the resulting PDF files maintain the original quality of your DjVu documents, including text, images, and formatting. User-Friendly Interface: We believe in simplicity and ease of use. Our app's intuitive interface guides you through the conversion process with straightforward instructions, making it suitable for users of all experience levels. Privacy and Security: We prioritize your privacy and data security. DjVu to PDF Converter ensures that all your files are processed securely and are not accessible by unauthorized parties. Universal Compatibility: Once converted, your PDF files can be opened and viewed on any device or operating system, making it simple to share with colleagues, friends, or family. Whether you're a student, professional, or just someone dealing with DjVu files regularly, DjVu to PDF Converter is a must-have app in your toolkit. Simplify the process of converting DjVu to PDF and take advantage of the convenience and versatility of this app. Say hello to effortless file conversion and goodbye to compatibility issues! Download DjVu to PDF Converter now and join the thousands of satisfied users who have made document conversion a breeze. If you have any questions or suggestions, feel free to reach out to our support team. Happy converting! Subscription is required for the complete functionality of the app. We offer weekly and annual subscription plans.Payments and Renewal:Payment will be charged to iTunes Account at confirmation of purchase. Subscription automatically renews unless auto-renew is turned off at least 24-hours before the end of the current period.Account will be charged for renewal within 24-hours prior to the end of the current period.You can manage or turn off auto-renew in your Account settings at any time after purchase. Terms of Service: https://www.app-privacy-policy.com/live.php?token=Zbkqk9hgSJLjpb18b0GuyO6EILWsj9By Privacy Policy: https://gist.github.com/adityaw114/947d16819256c78a3cb60ec99c292231

Screenshots

Programming Hub4 screens
DjVu to PDF3 screens

Verdict

The call

The clearest difference is review sentiment: Programming Hub at 72% against DjVu to PDF's 0%. Programming Hub also leads on rating (4.8 vs 3.4) and monetization model (free with in-app purchases vs subscription). DjVu to PDF's advantage is iOS requirement (14.0 vs 16.0). 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. Programming Hub sells 10 in-app purchases, starting at $1.49 per year and DjVu to PDF sells 2 in-app purchases, starting at $6.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Programming Hub holds the better App Store score, 4.8 against 3.4. That said, the two scores are not equally well evidenced: Programming Hub has 9.9K ratings behind it against 5, so its average is the more settled of the two. Written reviews point the same way: 72% of Programming Hub's written reviews are positive against 0% of DjVu to PDF's.

UpkeepUpdate frequency

Programming Hub ships an update every 2 months, DjVu to PDF every 11 months. Both last shipped on November 3, 2026.

Scorecard6 real differences · 4 level
Programming Hub versus DjVu to PDF: the parameters behind the verdict, then further details
ParameterProgramming HubDjVu to PDF
PriceFreeFree
Rating4.8 (9.9K ratings) — better3.4 (5 ratings)
Positive reviews72.3% of reviews — better0.0% of reviews
Number of ratings9.9K — better5
Update frequencyEvery 2 months — betterEvery 11 months
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchases — betterSubscription
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS16.014.0 — better
Further details — not scored
Size82 MB4 MB
Age rating4+4+
DeveloperRightsol Private LimitedKshitija Wagh

Customer experience

Programming Hub

All ratings9,853 ratings
Positive94.5%
Neutral2.1%
Negative3.5%
Written reviews1,216 reviews
Positive72.3%
Neutral6.1%
Negative21.6%

DjVu to PDF

All ratings5 ratings
Positive60.0%
Neutral0.0%
Negative40.0%
Written reviews5 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

Bugs and requests

Programming Hub

Reported bugs

4 issues
  • Courses not loading or crashing
  • Certificates not being awarded properly
  • Inconsistent behavior with pro access
  • Bugs in test/quiz functionality

Requested features

4 requests
  • Add more advanced programming courses
  • Improve progress tracking and syncing across devices
  • Implement a dark mode option
  • Allow skipping of lessons and more flexibility in navigation

DjVu to PDF

Not enough reviews yet to summarise bugs or requests.

In-app purchases

10 purchases

Programming Hub

Subscriptions8
  • PRO for 1 year with discount$1.491 Year
  • VIP Access$5.993 Months
  • 1 Month Coding Pass$9.991 Month
Show 5 more
  • PRO membership for 3 months$14.493 Months
  • Pro access for 1 year$18.991 Year
  • PRO access for 1 year + Trial$29.491 Year
  • PRO membership 1 year 75% OFF$31.991 Year
  • 365 Days of Unlimited Coding$44.951 Year
One-time2
  • Lifetime Upgrade$19.99
  • Unlock PRO: Lifetime Access$39.99
2 purchases

DjVu to PDF

Subscriptions2
  • All Access$6.991 Month
  • All Access$29.991 Year

Questions

Is Programming Hub free?
Programming Hub is free to download, with in-app purchases available.
Is DjVu to PDF free?
DjVu to PDF is free to download, with in-app purchases available.
Which has better reviews, Programming Hub or DjVu to PDF?
Programming Hub is rated higher. Programming Hub averages 4.8 out of 5 from 9.9K ratings, while DjVu to PDF averages 3.4 from 5 ratings.
Do Programming Hub or DjVu to PDF have ads?
Neither Programming Hub nor DjVu to PDF shows ads.
Which is updated more often, Programming Hub or DjVu to PDF?
Programming Hub ships an update every 2 months, and DjVu to PDF every 11 months. Most recently, Programming Hub was updated on November 3, 2026 and DjVu to PDF on November 3, 2026.

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