Java Data Structures Pro vs FaangIQ
Price, ratings, monetisation and update history for both apps, side by side โ with what reviewers say about each.
Java Data Structures Pro
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Master Data Structures and Algorithms using Java. Learn Data Structure and Algorithm concepts with our comprehensive tutorial app. Perfect for beginners starting their coding journey and developers preparing for technical interviews. All examples use Java. Available in 7 Languages: โข English, French, German, Italian, Portuguese, Russian, and Spanish โ study in your native language! What You'll Learn: โข Algorithm fundamentals and complexity analysis โข Arrays, strings, linked lists, stacks, and queues โข Hash tables, sets, trees, and graphs โข Sorting algorithms: insertion, merge, and quicksort โข Graph algorithms: BFS, DFS, Dijkstra's, and Prim's โข Dynamic programming, greedy algorithms, and backtracking Complete Learning Experience: โข 31 structured chapters from beginner to advanced โข Step-by-step tutorials with clear explanations โข Complete, runnable Java code examples โข Interactive quiz questions to test your knowledge User-Friendly Features: โข Dark and light theme options โข Offline learning - no internet required โข Search functionality across all content โข Bookmark important topics (favorites) โข Clean, distraction-free interface Perfect for: โข Complete beginners with no prior DSA experience โข Students preparing for coding interviews โข Computer science students learning algorithms โข Developers strengthening their problem-solving skills โข Self-learners building strong programming foundations Start your DSA mastery journey today - from basic concepts to interview-ready problem solving!
FaangIQ
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Master your next FAANG interview with 413+ real interview questions from Google, Amazon, Meta, Apple, Netflix, Microsoft, and Adobe. Study smarter, not harder โ no IDE needed. WHY FaangIQ? Unlike platforms that require a computer and IDE, FaangIQ transforms real technical interview questions into a quiz format you can practice anywhere โ on the train, during lunch, or before bed. Built for busy engineers who want to make every minute count. WHAT'S INSIDE - 413+ Curated Questions across 12 specialized categories - Real FAANG Interview Questions sourced from actual tech interviews - System Design (55 questions) โ scalability, distributed systems, architecture - Coding Logic (137 questions) โ algorithms, data structures, Big O notation - Technical MCQs (73 questions) โ Operating Systems, DBMS, Networks, OOP - Aptitude & Reasoning (90 questions) โ quantitative and analytical thinking - Database Management โ SQL, ACID, normalization, transactions - Plus: Riddles, Sequences, Word Problems for lateral thinking THREE DIFFICULTY LEVELS - Easy (137 questions): Build confidence and warm up with fundamentals - Medium (193 questions): Deepen understanding with moderate challenges - Hard (83 questions): FAANG-level difficulty for serious interview prep COMPANIES COVERED Questions sourced from real interviews at Google, Amazon, Meta (Facebook), Apple, Netflix, Microsoft, and Adobe. KEY FEATURES - Practice Mode: Get instant feedback, hints, and explanations as you learn - Test Mode: Simulate real interview conditions with no hints - Progress Tracking: See your accuracy and mastery across every category - Daily Streaks: Stay consistent and build a study habit - Detailed Explanations: Learn why each answer is correct, not just what - Offline First: No internet required โ all questions stored locally - Light & Dark Mode: Study comfortably day or night - Haptic Feedback: Feel every correct and incorrect answer WHO IS THIS FOR? - Software engineers preparing for FAANG interviews - CS students getting ready for campus placements - Career changers breaking into tech - Developers leveling up for senior roles - Anyone preparing for technical interviews at top companies FaangIQ is the interview prep app that fits in your pocket. No laptop needed. No subscriptions to expensive platforms. Just you, your phone, and 413+ questions standing between you and your dream job. Download now and start preparing for the interview that changes your career. Why this structure works: Section: First 3 lines Purpose: This is the only part visible before users tap "more" โ it's your hook Section: WHY FaangIQ? Purpose: Differentiates you from competitors immediately Section: WHAT'S INSIDE Purpose: Specific numbers build trust and credibility Section: THREE DIFFICULTY LEVELS Purpose: Shows structured progression Section: KEY FEATURES Purpose: Sells the experience, not just content Section: WHO IS THIS FOR? Purpose: Users see themselves in the list โ increases conversion
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Verdict
The clearest difference is price: FaangIQ at Free against Java Data Structures Pro's $4.99. FaangIQ also leads on update cadence (weekly vs every 4 months). On ads, in-app purchases, device support and iOS requirement there is nothing between them.
Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS
FaangIQ is free to download; Java Data Structures Pro costs $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Java Data Structures Pro ships an update every 4 months, FaangIQ weekly. The most recent releases landed on September 16, 2026 and September 11, 2026 respectively.
| Parameter | Java Data Structures Pro | FaangIQ |
|---|---|---|
| Price | $4.99 | Free โ better |
| Update frequency | Every 4 months | Weekly โ better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad | iPhone, iPad, iPod โ better |
| Requires iOS | 16.0 | 15.1 โ better |
| Further details โ not scored | ||
| Size | 18 MB | 30 MB |
| Age rating | 4+ | 4+ |
| Developer | ALG Software Lab | Yubraj Khatri |
In-app purchases
Java Data Structures Pro
No in-app purchases
FaangIQ
No in-app purchases
Questions
Is Java Data Structures Pro free?
Is FaangIQ free?
Do Java Data Structures Pro or FaangIQ have ads?
Which is updated more often, Java Data Structures Pro or FaangIQ?
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