FaangIQ vs Data Structures Basics
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
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 β 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 β 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) β scalability, distributed systems, architecture - Coding Logic (137 questions) β algorithms, data structures, Big O notation - Technical MCQs (73 questions) β Operating Systems, DBMS, Networks, OOP - Aptitude & Reasoning (90 questions) β quantitative and analytical thinking - Database Management β 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 β 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" β 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 β increases conversion
Data Structures Basics
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Data Structures Basics is an independent practice app for learners who want to build confidence with core computer science concepts before class, interviews, exams, or project work. Work through 160 questions across Fundamentals, Practical Skills, Common Pitfalls, and Advanced Concepts. Every question includes an explanation, so you can understand why an answer works instead of only memorizing it. Features: - FSRS spaced-repetition intervals for smarter review - Weak-point heatmap to spot topics that need attention - Daily challenge for consistent practice - Mock exams for timed review sessions - Offline practice for studying anywhere - No login required Use it to review arrays, linked lists, stacks, queues, trees, graphs, hashing, sorting, complexity, and common implementation mistakes. Independent study app for Data Structures Basics practice. Not affiliated with, endorsed by, or sponsored by any company, certification body, exam operator, or vendor. All trademarks belong to their respective owners. Practice offline, no login required.
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Verdict
FaangIQ and Data Structures Basics are too close to call on the numbers: across 5 compared parameters β price, ads, in-app purchases and device support among them β neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
| Parameter | FaangIQ | Data Structures Basics |
|---|---|---|
| Price | Free | Free |
| Update frequency | Weekly | β |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.1 | 15.1 |
| Further details β not scored | ||
| Size | 30 MB | 38 MB |
| Age rating | 4+ | 4+ |
| Developer | Yubraj Khatri | Tsuyoshi Sezaki |
In-app purchases
FaangIQ
No in-app purchases
Data Structures Basics
No in-app purchases





