Mobile App + Desktop IDE Cross-Platform Support

LeetCode Epiphany Your Ultimate Cross-Platform Coding Assistant 🌟

Start coding on your mobile device and seamlessly continue on desktop IDE. Android mobile app with JetBrains IDE plugin integration for the complete coding challenge experience.

Download Mobile App Install IDE Plugin View Source

Platforms

Mobile First

Always Available

One-Click

Code Submit

Two Sum Easy

Add Two Numbers Medium

Longest Substring Medium

IntelliJ IDEA - LeetCode Epiphany

class Solution {
    public int twoSum(int[] nums, int target) {
        // Use HashMap for optimization
        Map<Integer, Integer> map = new HashMap<>();
        for (int i = 0; i < nums.length; i++) {
            return new int[]{map.get(complement), i};
        }
    }
}

Powerful Features

Comprehensive enhancement for your programming contest experience

Mobile-First Experience

Android mobile app enables coding practice anytime, anywhere, with desktop data sync for seamless learning environment switching

Multi-Platform Integration

Direct access to problems from LeetCode, LeetCode CN, LuoGu, AtCoder, CodeForces, HackerRank and more within your IDE

One-Click Submission

Submit code instantly and get real-time feedback, eliminating browser switching and keeping you focused on coding

Multi-Language Support

Compatible with multiple programming platforms and languages in a single project, no need for multiple IDEs or separate projects

Multiple Solutions

Support writing multiple solutions for the same problem, with code, test cases, and explanations for each approach

Submission History

Complete submission history tracking, monitor solving progress, and compare performance of different solutions

Supported Platforms

Covering mainstream competitive programming platforms to meet diverse needs

LeetCode

World-renowned algorithm problem bank

✅ Supported

LeetCode Chinese

Chinese version of LeetCode platform

✅ Supported

LuoGu

Leading Chinese programming problem bank

✅ Supported

AtCoder

Renowned Japanese competitive platform

✅ Supported

CodeForces

International top-tier competitive platform

✅ Supported

HackerRank

Skills assessment and interview platform

✅ Supported

Mobile Application

Practice Anytime, Anywhere

LeetCode Epiphany mobile version perfectly recreates the desktop experience, enabling efficient algorithm practice during commutes and breaks.

Data Synchronization

Real-time sync with desktop version progress

Offline Mode

Support offline viewing and code writing

Smart Reminders

Daily practice reminders to build learning habits

Dark Mode

Eye-friendly dark theme for comfortable night study

iOS version coming soon

9:41

LeetCode Epiphany

127 Solved

68% Accuracy

15 Streak Days

Today's Recommendations

Two Sum Easy

Array Hash Table

Longest Palindromic Substring Medium

String Dynamic Programming

JetBrains IDE Plugin

Get started with the desktop plugin in three simple steps

Open JetBrains IDE

Launch your IntelliJ IDEA, PyCharm, CLion, or any other JetBrains IDE

Search Plugin

Go to Plugins > Marketplace, search for LeetCode Epiphany and click install

Restart IDE

Restart your IDE to activate the plugin and begin your algorithm mastery journey!

Complete Platform Coverage

Whether you use mobile devices or desktop IDE, LeetCode Epiphany provides a consistent, high-quality experience.

Android Mobile App

Practice algorithms anywhere with offline mode support

Download Now →

JetBrains IDE Plugin

Compatible with IntelliJ IDEA, PyCharm, CLion, and more

Installation Guide →

Mobile App

Desktop IDE

Data Sync