About LeetCode Coding Interview Prep
APAS - Master Coding Interviews Anywhere, Anytime! Your all-in-one coding interview preparation tool, built for software engineers aiming for success in the tech industry. Struggling with Coding Interviews? APAS Has Y
APAS - Master Coding Interviews Anywhere, Anytime!
Your all-in-one coding interview preparation tool, built for software engineers aiming for success in the tech industry.
Struggling with Coding Interviews? APAS Has You Covered!
🚀 Are you preparing for a job in the tech industry but unsure how to tackle challenging coding interview questions?
🤔 Want to enhance your algorithm and data structure skills but have limited time?
⏳ Afraid of forgetting the solutions to problems you've already learned?
Say goodbye to stress! With
APAS , you can master coding interview problems effortlessly and efficiently. Plus, enjoy the power of AI-driven coaching, all in the palm of your hand!
Why APAS Stands Out?
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All 3800+ LeetCode Problems : Master algorithm, data structure, and system design problems sourced from real-world interviews.
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Smart AI Coaching : Use the latest AI to help you translate code into the programming language you like, analyze time and space complexity, and explain code line-by-line in English!
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Spaced Repetition Review : Strengthen your long-term memory with adaptive review tracking.
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Mock Interviews : Simulate real interview scenarios with timed quizzes.
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Syntax-Highlighted Code : Easy-to-read solutions with line numbers, full-screen expansion, and clear explanations.
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Problem Marking & Notes : Mark problems as done or for later, and jot down quick notes.
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Advanced Search : Quickly locate problems by name or ID.
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Categorization : Explore problems sorted by difficulty, topic, or company-specific interview questions.
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Night Mode : Reduce eye strain with a battery-friendly dark theme.
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Offline Mode : Access all problems and solutions offline—anytime, anywhere.
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Regular Updates : Stay ahead with new Leetcode problems and instant notifications.
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Clean UI : Dive into detailed problem descriptions with one-click access to Java-based solutions.
What is APAS?
APAS stands for
Algorithm Problems and Solutions —your go-to coding interview app for
offline learning and preparation. Whether you're a coding novice or a seasoned developer, APAS simplifies your preparation by focusing on the essential concepts of algorithms and data structures.
Explore Data Structures & Algorithms
Data Structures:
- String, Array, Stack, Queue, Hash Table, Map
- Linked List, Heap, Tree, Trie, Segment Tree
- Binary Search Tree, Union Find, Graph, Geometry
Algorithms:
- Binary Search, Divide and Conquer, Recursion
- Dynamic Programming, Memoization, Backtracking
- Greedy, Sorting, Sliding Window, Bit Manipulation
- Breadth-First Search, Depth-First Search, Topological Sort
Why You’ll Love APAS:
✔ Comprehensive coverage of interview topics.
✔ Perfect for quick, on-the-go learning.
✔ Suitable for all levels of expertise.
Join Hundreds of Thousands of Developers Today!
💡 Start your journey toward acing coding interviews now. With APAS, you'll have the confidence and skills to tackle even the toughest challenges.
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Download APAS today and turn your coding dreams into reality!
Need Help or Have Feedback?
We’re here for you! Share your thoughts via in-app feedback or email us at
[email protected]. Your input drives our improvements!
Keywords
- LeetCode problems
- Coding interview preparation
- Algorithm learning app
- Data structures and algorithms
- Mock coding interviews
- AI for programming
Previous Versions
Here you can find the changelog of LeetCode Coding Interview Prep since it was posted on our website on 2016-09-28 19:23:32.
The latest version is 7.0.3 and it was updated on 2026-06-09 20:07:11. See below the changes in each version.
LeetCode Coding Interview Prep version 7.0.2
Updated At: 2026-03-28
Changes: 🚀 APAS 7.0.2 – Go Pro with Unlimited Learning!
💎 New Pro Mode: Unlock Full Pro with enhanced access and a cleaner experience.
♾ Unlimited Credits: Enjoy unlimited credits for AI features, so you can practice, explore solutions, and learn without limits.
📚 3800+ Problems, 7500+ Solutions: Master the most complete LeetCode set with powerful tools and structured learning.
⚡ Polish & Improvements
Upgrade your learning — go Pro with APAS 💪
LeetCode Coding Interview Prep version 7.0.3
Updated At: 2026-03-28
Changes: 🚀 APAS 7.0.3 – Smarter AI Agent, Better Practice
🧠 More Powerful AI Agent: Pick specific problems and solutions directly in conversations, with improved context and smarter responses
✨ Better Experience: New interactive UI including preferred language in Solutions and cleaner code previews
📚 3800+ Problems, 7800+ Solutions: Practice with the most complete and up-to-date LeetCode library
Practice smarter with AI — level up faster with APAS 💪
LeetCode Coding Interview Prep version 7.0.1
Updated At: 2026-03-18
Changes: 🚀 APAS 7.0.1 – Meet Your AI Interview Agent
🧠 New AI Agent (Beta): Get interactive help for tech interview prep — smarter guidance, free messages, and easy feedback for easier learning
📉 Fewer Ads, Better Flow: Reduced ad frequency for a better experience
📚 3800+ Problems, 7500+ Solutions: Practice the most complete LeetCode set with structured plans and powerful AI support
⚡ Performance Boost & Issue Fixes
Level up your interview prep with APAS 7.0.1 💪
LeetCode Coding Interview Prep version 7.0.0
Updated At: 2026-02-25
Changes: 🚀 APAS 7.0.0 – Meet Your AI Interview Agent
🧠 New AI Agent (Beta): Get interactive help for tech interview prep — smarter guidance, free messages, and easy feedback for easier learning.
📉 Fewer Ads, Better Flow: Reduced ad frequency for a better experience.
📚 3800+ Problems, 7500+ Solutions: Practice the most complete Leetcode set with structured plans and powerful AI support.
⚡ Stability & Performance Boost
Level up your interview prep with APAS 7.0.0 💪
LeetCode Coding Interview Prep version 6.7.4
Updated At: 2026-02-17
Changes: 🚀 APAS Update – Faster, More Reliable, Even Better Practice
📚 3800+ LeetCode Problems: Most complete and up-to-date problem set, powered by smoother search and navigation
⚡ Performance & Stability Boost: Faster startup, improved billing reliability, better memory management, database improvements, and multiple crash & ANR fixes
✨ Polish & Refinements: Cleaner UI, smoother scrolling, improved focus handling, and better overall responsiveness
Practice smarter and more confidently with APAS 💪
LeetCode Coding Interview Prep version 6.7.3
Updated At: 2026-02-07
Changes: 🚀 APAS Update – 3800+ Problems in Your Lists, Better Plans & Smoother Learning
⭐ Upgraded My Lists: Create and manage your own problem lists with quick saves directly from search results
🧠 Saved Learning Plans in a dedicated tab — view details, edit summaries, or delete plans anytime.
⚡ Smoother Experience and multiple crash fixes.
Practice smarter. Stay organized. Keep improving with APAS 💪
LeetCode Coding Interview Prep version 6.7.1
Updated At: 2026-01-24
Changes: 🚀 APAS Update – 3800+ Problems, 7500+ Solutions, 9 Study Plans & Ad Free!
📚 Master 3800+ Leetcode problems, explore 7500+ detailed solutions, and follow 9 guided study plans to stay on track.
✨ Ad-Free Mode: Enjoy a cleaner, distraction-free experience with the new Ads-Free purchase option.
🔍 New Problem Search: Quickly search and jump to any problem with the new Problem Search experience.
Practice smarter at scale — start learning with APAS today! 💪
LeetCode Coding Interview Prep version 6.7.0
Updated At: 2026-01-14
Changes: 🚀 APAS 6.7.0 – 3800+ Problems & Smarter Learning!
📚 3800+ Leetcode Problems: Practice the most complete and up-to-date problem set with faster loading and smoother pagination!
🔥 Learning Streaks: Build daily streaks, track weekly activity, and enjoy free credits!
⚡ Faster & More Stable: Optimized lists, smoother fast scrolling, reduced ANRs, and improved stability.
Code smarter, stay consistent — master 3800+ problems with APAS today! 💪
LeetCode Coding Interview Prep version 6.6.1
Updated At: 2026-01-04
Changes: 🚀 APAS 6.6.1 – 3700 Leetcode Problems with All Study Plans!
🧠 All Study Plans: All 9 curated study plans, like Top Interview 150, Top 100 Liked, DP, and Graph Theory
💻 New Language Support: Code translation and preferred languages now include C
📚 Always Available: Improved offline mode - keep learning even without network
⚡ Smoother & More Reliable: Reduced ANRs, improved code read stability, and fixed crashes
Learn smarter, grow faster — start mastering 3700 problems with APAS today! 💪
LeetCode Coding Interview Prep version 6.5.2
Updated At: 2025-11-27
Changes: 🚀 APAS 6.5.2 – Smarter, Cleaner, More Personal!
🌐 Preferred Language Support
Choose your preferred language when viewing solutions for a more personalized learning experience.
🛠 Fixes & Polish
Crash fix of the improved code viewer, now with line explanations, new code themes, offline highlighting, smoother scrolling, and a cleaner display.