AlgoNote: Algorithm Visualizer

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Content rating
Everyone
10+
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About this app

Stop memorizing — start understanding.

AlgoNote visualizes algorithms and data structures with step-by-step animations, helping you prepare for coding interviews more effectively.

■ Key Features
▶ Logic Visualization
Watch code execution as animations.
See variable changes and memory states in real time.

▶ Time Control
Rewind, pause, and adjust speed freely.
Analyze the state at any point in execution.

▶ Deep Understanding
Learn the principles, not just the patterns.
Understand why algorithms work from the ground up.

■ Algorithm Categories

• Basics
• Sorting
• Searching
• Graph
• Tree
• Dynamic Programming (DP)
• Data Structures
• Greedy
• Backtracking
• Two Pointers
• String
• Implementation / Simulation
• Math
• Bit Operations
• Prefix Sum
(New algorithms added regularly)

■ Supported Languages

Python, Java, JavaScript, C++

■ Who Is This For?

• Job seekers preparing for coding tests
• Developers preparing for technical interviews
• Students learning algorithms for the first time
• Anyone who wants a solid CS foundation

■ Pricing

• 24 basic algorithms free
• Premium subscription for full access

■ Contact
help@algonote.io
https://algonote.io

■ Keywords
algorithm, data structure, coding test, coding interview, visualization,sorting, BFS, DFS, dynamic programming, LeetCode, HackerRank
Updated on
Mar 2, 2026

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
No data shared with third parties
Learn more about how developers declare sharing
This app may collect these data types
Personal info and Device or other IDs
Data is encrypted in transit
You can request that data be deleted

What’s new

Algonote 프로덕션 출시
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Everyone
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App support

About the developer
예상국
pajamasi726@gmail.com
광명로 176 신흥역하늘채 아파트, 103동 504호 중원구, 성남시, 경기도 13355 South Korea

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