Apps Like Java4Java for iPhone and iPad
Ranked alternatives
Showing 1–20 of 1,000 ranked alternatives.
VisiGrab: Learn Algorithms
Ievgen Ovsii
Study and data structures visually
Visualize and interact with and data structures through dynamic animations. Explore step-by-step breakdowns of sorting, searching, and graph . Practice coding exercises and test knowledge with quizzes.
Revisions-DSA Coding Practice
Jason Zhao
Challenges and track progress
Interviews with algorithm and data structure exercises. Solve problems with step-by-step guidance. Track progress and review solutions. Simulate real interview scenarios and receive feedback.
Sololearn: Learn to Code
SoloLearn Inc.
Programming languages on the go
Programming through interactive lessons and hands-on practice in languages like Python, JavaScript, and Java. Complete coding challenges, track progress, and access a community for support and collaboration.
LeetCard: Coding Flashcards
Kubicle LLC
Practice problems with smart
Study problems with AI-generated hints and adaptive learning. Create personalized study plans. Organize for focused practice. Track progress and receive intelligent guidance during problem-solving.
Brilliant: Learn by doing
Brilliant Worldwide, Inc
Math and computer science concepts
Math and computer science through interactive lessons and personalized practice. Explore concepts visually, solve problems step-by-step, and receive instant feedback. Track progress and set learning goals to improve STEM skills.
LeetO(n)
Joshua Kim
Practice coding problems on the go
Learn coding concepts through flashcards that display problems and their optimal solutions. Practice solving algorithms with interactive problem sets. Track progress and review performance metrics to improve problem-solving skills.
GeeksforGeeks - Learn Coding
Sanchhaya Education Private Limited
Practice problems and DSA
Access tutorials, practice problems, and articles on Data Structures and Algorithms, Web Development, and technical interview preparation. Track progress with practice exercises and detailed explanations.
Leetly - Land a SWE Job
Brian Mason
Practice algorithms and data structures
Practice algorithms and data structures through gamified Leetcode exercises. Track progress with daily challenges and streaks. Earn rewards and level up by solving problems. View detailed solutions and explanations.
How we rank alternatives
Apps are ranked by functional similarity, category fit, rating confidence, and popularity.