Leetcode Ally

Ethos Typos

Contains adsIn-app purchases

About this app

🚀 Master DSA, Full Stack Development & Crack Coding Interviews with Confidence! 🚀

Looking for the best app to learn Data Structures and Algorithms (DSA), Full Stack Development, and prepare for coding interviews? Whether you’re a Computer Science student, aspiring software engineer, or preparing for FAANG and product-based company interviews, this app is your ultimate coding companion.

Get everything you need — from concepts and problems to interview experiences and system design — all in one place.

💻 All-in-One Learning Platform for Programmers

🧠 Master DSA (Data Structures & Algorithms)
Stop searching multiple websites — everything you need to master DSA is here.

📚 Complete DSA Handbook with clear explanations
📝 9000+ Handpicked & Curated DSA Problems
🏢 Company-wise & Topic-wise Interview Sheets
🧩 Interview Experiences from Real Candidates
💡 Step-by-step Solutions, Hints & Video Tutorials
🔖 Add Questions to Your Revision List
📈 Track Your Learning Progress

Perfect for beginners and advanced coders preparing for coding interviews or placement exams.

🎯 My Goals – Personalized DSA Learning
Your custom roadmap to mastering Data Structures and Algorithms.

📆 Create Your Own Personalized DSA Plan
🔔 Stay Consistent with Daily Reminders
📊 Home Screen Widget to Track Progress

🤝 LeetCode Integration
Your new LeetCode companion app — track and compare progress effortlessly!

📊 Sync & Track Your LeetCode Progress
👯‍♀️ Add Friends and Compare your progress with them
📆 Stay Updated with the Daily Problem of the Day

⚡ JavaScript – Learn & Practice
Build a solid foundation in JavaScript programming with interactive learning.

📚 Comprehensive JavaScript Handbook
💡 Practice Problems for Hands-on Learning
🤖 AI Chat for Instant Doubt Solving
🧠 Playground to Write & Run Code in Real Time

🖥️ React – Frontend Development for Interviews
Master React.js for frontend development and interviews.

📚 Detailed React Handbook for Beginners to Pros
🎯 Interview-Focused Problems and Quizzes
🤖 24×7 AI Support for Quick Help
💯 Practice & Test Your Skills Anytime

🗄️ MySQL – Learn SQL the Right Way
Become confident in database management with MySQL.

📖 In-depth MySQL Handbook Covering All Topics
💪 Real Practice Problems to Test Knowledge
🤝 AI Chat for Quick Assistance
🧩 Playground to Write & Execute Queries

🍃 MongoDB – NoSQL Made Simple
Learn MongoDB for modern backend development.

📚 Detailed MongoDB Concepts Explained
🎯 Interview-Focused Practice Questions
🤖 AI Support to Clear Doubts Instantly

🏗️ System Design – Ace the Interview
Your one-stop solution for System Design interview preparation.

🧩 Clear Concepts with Real-World Examples
🏢 Case Studies from Top Tech Companies
💡 Ideal for SDE, Backend, and Full Stack Roles

🌟 Key App Features

🔊 Listen & Learn: Convert any article, course, or editorial into audio — learn hands-free anywhere!

🧩 Widgets: Stay on top of your progress right from your home screen.
📆 Daily Problem of the Day Widget
📈 Sheet Progress Tracker
🎯 Goal Progress Tracker

🌗 Dark & Light Modes: Switch themes anytime.

💭 Comment, Bookmark & Share: Interact and keep track of your learning.

🌟 Go Ad-Free with Premium
Unlock a distraction-free learning experience with our Premium Plan.
No ads — just pure focus on your DSA and Full Stack learning journey.

💪 Your Ultimate Coding Companion

From learning and practicing to acing your coding interviews, this app is designed to be the only coding app you need.

🎯 Whether you’re preparing for campus placements, off-campus drives, or career transitions, we help you practice smarter, stay consistent, and achieve your goals faster.

Don’t just prepare. Prepare the right way.
Download now and take the first step toward your dream tech job! ✨

Ratings and reviews

This is an amazing app! I am satisfied as a casual learner because there is so much content to get a hold of. Such a great productivity app!

app not opening now, i tried everything edit: when i open the app, the app starts and gets struck on the screen which has dark yellow logo and leetcode ally written below it. it is struck like this only, i tried uninstalling and installing and it worked but now again it is struck like this. i tried to clear cache and data also

It is just stuck on the splash screen, I uninstalled it then installed it again but still not working. edit:the update is fantastic

What's new

🎯 Your Personalized DSA Plan
🌟 Go Ad-Free with Premium
💻 All-New Learning Verticals:
🏗️ System Design - Case Studies
⚡ JavaScript - Handbook, Practice Problems, Playground
🌟 React - Course, Interview Problems
🗄️ MySQL - Handbook, Practice Problems, Playground
🍃 MongoDB - Course, Interview Problems
🔊 Listen to any article, course, or editorial
🧩 3 New Widgets - Problem of the Day, Sheet Progress, Goal Progress
💭 Comment on articles and editorials
🌗 Switch between Light & Dark themes