Leetcode Ally
All-in-One Prep: DSA, React, JavaScript, SQL, Mongo & System Design
App details
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App description
Android App Analysis and Review: Leetcode Ally, Developed by Ethos Typos. Listed in Education Category. Current Version Is 20.0.2, Updated On 22/11/2025 . According to users reviews on Google Play: Leetcode Ally. Achieved Over 167 thousand Installs. Leetcode Ally Currently Has 4 thousand Reviews, Average Rating 4.5 Stars
🚀 Learn DSA, Full Stack Development & Crack Coding Interviews
The ultimate app for DSA, System Design, SQL, MongoDB, React, JavaScript, CSS, and full-stack developer interview prep. Perfect for students, programmers, and professionals preparing for FAANG and top tech interviews.
💻 All-in-One Programming & Interview Prep App
🧠 Master DSA (Data Structures & Algorithms)
Complete DSA handbook
9000+ curated problems
Topic-wise & company-wise sheets
Step-by-step solutions, hints & videos
Save questions & track progress
🎯 Personalised DSA Roadmap
Create custom goals
Daily reminders
Home-screen progress widgets
🤝 LeetCode Integration
Sync & track your LeetCode progress
Add friends and compare stats
Daily Problem of the Day widget
⚡ Learn Full Stack Development
JavaScript
Complete JS handbook
Practice problems
AI chat for doubts
Interactive coding playground
React
Beginner-to-advanced React handbook
Interview-focused problems & quizzes
24×7 AI help
SQL (MySQL)
In-depth SQL tutorials
Real practice queries
Query playground + AI support
MongoDB
NoSQL concepts made simple
Interview-ready questions
Instant AI assistance
🏗️ System Design for Developers
Clear system design concepts
Real-world examples
Case studies from top tech companies
Ideal for backend & full-stack roles
🌟 Extra Features for Smarter Learning
Convert articles & courses to audio
Widgets for goals, sheets & daily problems
Dark/Light mode
Comment, bookmark & share
Ad-free Premium option
💪 Your Complete Coding & Interview Preparation App
Whether you're preparing for placements, full-stack developer roles, or programming interviews, this app helps you learn faster, practice smarter, and stay consistent.
🔥 Download now and start your journey to becoming a top-tier developer!
We are currently offering version 20.0.2. This is our latest, most optimized version. It is suitable for many different devices. Free download directly apk from the Google Play Store or other versions we're hosting. Moreover, you can download without registration and no login required.
We have more than 2000+ available devices for Samsung, Xiaomi, Huawei, Oppo, Vivo, Motorola, LG, Google, OnePlus, Sony, Tablet ... with so many options, it’s easy for you to choose games or software that fit your device.
It can come in handy if there are any country restrictions or any restrictions from the side of your device on the Google App Store.
Changelog / 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
? 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