CodingPrep - DSA & Interview

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About this app

CodingPrep is a clean, distraction-free technical interview preparation platform for software engineers, CS students, and coding candidates.

Operates 100% offline with zero ads, zero tracking, and no account required.

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WHAT'S INSIDE
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• 54 DSA Problems: Curated challenges (Easy, Medium, Hard) across Arrays, Trees, Graphs, DP, and more. Includes multi-language solutions (Python, Java, C++) and Big-O complexity analysis.
• 16 Algorithmic Patterns: Master reusable problem-solving techniques including Two Pointers, Sliding Window, Fast & Slow Pointers, and Merge Intervals.
• 120+ Core CS Concepts: Clear explanations and ASCII diagrams covering OOP (SOLID principles), DBMS (ACID, Normalization, Indexing), Operating Systems (Processes, Deadlocks, Paging), Computer Networks (OSI, TCP/IP, DNS, HTTP/3), and System Design basics.
• 32 SQL Challenges: Realistic query problems covering JOINs, GROUP BY, aggregations, subqueries, and Window Functions.
• Interview Hub & Mock Simulator: 64 technical & behavioral (STAR framework) questions, plus a timed mock interview room with scoring and readiness tracking.
• Developer Workspace: Global offline search (grep), custom bookmarks library, streak tracking, and dark/light terminal themes.

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PRIVACY & OFFLINE GUARANTEE
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• 100% Offline: No internet connection needed or requested.
• Zero Permissions: No access to camera, location, storage, or contacts.
• Zero Ads & Zero Tracking: No ads, no analytics, no background telemetry.
• Private & Local: All progress stays strictly on your device. Wipe your data anytime in Settings.
Master DSA problems, core CS concepts, SQL challenges & mock interview prep.
Updated on
Sep 29, 2026
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Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
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What’s new

Initial Release of CodingPrep:
• 54 DSA problems with multi-language code & Big-O analysis
• 16 algorithmic patterns & 120+ CS concepts
• 32 SQL challenges & 64 interview questions
• Timed mock interview room & streak tracking
• 100% offline, zero permissions, and completely ad-free!
Content rating
Everyone
Learn more

App support

About the developer
KAVYA ENTERPRISE
brijesh91292269@gmail.com
TULIP CITADEL CO OP HOUSING SOCIETY, B 403, BUDERPURA CHAR RASTA SHREYAS TEKRA AMBAWADI Ahmedabad, Gujarat 380015 India
+91 75748 16949