About VisiGrab: Algorithms & DSA
VisiGrab is your interactive DSA visualizer — the easiest way to master algorithms and data structures through step-by-step visual animations. Whether you're a computer science student preparing for campus placement, a...
VisiGrab is your interactive DSA visualizer — the easiest way to master algorithms and data structures through step-by-step visual animations. Whether you're a computer science student preparing for campus placement, a self-taught developer getting ready for tech interviews, or an experienced programmer brushing up on DSA concepts, VisiGrab makes learning algorithms intuitive and engaging.
🔍 Why VisiGrab?
Traditional ways of studying algorithms — textbooks, lectures, and video tutorials — often make it hard to truly understand how an algorithm works step by step. VisiGrab solves this by letting you watch each algorithm execute visually, interact with the data, and build deep understanding through hands-on exploration. Learn at your own pace, not at the speed of a video.
📚 Comprehensive DSA Coverage
Data Structures:
• Array
• Linked List
• Stack
• Queue
• Hash Table (chaining technique)
• Binary Search Tree (BST)
• AVL Tree
• Red-Black Tree
• Graph
Sorting Algorithms:
• Bubble Sort
• Selection Sort
• Insertion Sort
• Merge Sort
• Heap Sort
• Quick Sort
Tree Traversals:
• Pre-order traversal
• In-order traversal
• Post-order traversal
• Breadth-first traversal (BFS)
• Inserting and deleting nodes in BST
• Inserting and deleting nodes in AVL and Red-Black Trees
Graph Algorithms:
• Depth-first search (DFS)
• Breadth-first search (BFS)
• Dijkstra's algorithm (shortest path)
• Bellman-Ford algorithm
• Minimum Spanning Tree — Prim's algorithm
• Minimum Spanning Tree — Kruskal's algorithm
• Union-Find
• Graph Constructor — build and visualize your own graphs
Hash Table Operations:
• Inserting data into a hash table
• Deleting data from a hash table
💻 Code Examples in Java and Python — C++ Coming Soon
Every algorithm visualization is accompanied by its implementation code in both Java and Python, with C++ support coming soon. See the direct link between the code and the visual animation — understand not just what the algorithm does, but how the code makes it happen. Full source code available on GitHub.
🌍 Available in 10 Languages
VisiGrab supports English, German, French, Spanish, Portuguese, Polish, Ukrainian, Japanese, Korean, and Chinese (Simplified) — making it accessible to CS students worldwide.
🎯 Perfect for Coding Interview Preparation
Preparing for your next technical interview at a top tech company? VisiGrab helps you visualize and understand the DSA topics most commonly asked in coding interviews. Build a strong foundation in data structures and algorithms and go into your interview with confidence. Ideal for LeetCode practice, competitive programming preparation, and CS exam study.
🎮 Gamified Learning Experience
VisiGrab features a gaming-inspired design that makes studying algorithms fun and motivating. Interactive controls let you step through each algorithm at your own pace, manipulate data in real-time, and see results instantly.
✨ Key Features
• Interactive visual animations for every algorithm and data structure
• Step-by-step execution — pause, rewind, and control the pace
• Code view with Java and Python implementations
• Offline access — study anywhere, no internet required
• Gamified interface that keeps you engaged
• Comprehensive coverage from basic to advanced DSA topics
• One-time purchase — no subscriptions, no ads, no recurring fees
• Perfect study companion for CS courses, coding interviews, and competitive programming
📱 Learn DSA Anytime, Anywhere
Whether you're commuting, waiting between classes, or studying at home, VisiGrab turns your phone into a powerful algorithm learning tool. No internet connection needed — your complete DSA course is always available offline.
Download VisiGrab today and start mastering algorithms and data structures visually!
Previous Versions
Here you can find the changelog of VisiGrab: Algorithms & DSA since it was posted on our website on 2021-12-11 20:14:55.
The latest version is 1.19.0 and it was updated on 2026-06-10 20:05:02. See below the changes in each version.
VisiGrab: Algorithms & DSA version 1.19.0
Updated At: 2026-06-06
Changes: • Added a "Slides" table of contents to Array, Linked List, Stack, and Queue presentations — tap any row to jump straight to that slide.
• These presentations now remember your last opened slide. Restart in the menu jumps back to the first slide.
VisiGrab: Algorithms & DSA version 1.18.0
Updated At: 2026-05-24
Changes: Added Trie data structure with Insert, Delete, and StartsWith (Autocomplete) operations.
VisiGrab: Algorithms & DSA version 1.17.1
Updated At: 2026-05-03
Changes: • Improved Topological Sort (Kahn's algorithm) visualisation
• Added Topological Sort to Graph Constructor
VisiGrab: Algorithms & DSA version 1.16.0
Updated At: 2026-03-08
Changes: - Added Bellman-Ford algorithm
- Expanded Dijkstra info dialog
- Code section: Replit replaced with GitHub link
VisiGrab: Algorithms & DSA version 1.15.9
Updated At: 2025-12-02
Changes: New language added: Simplified Chinese
VisiGrab: Algorithms & DSA version 1.15.7
Updated At: 2025-11-22
Changes: Korean language is now available in the app
VisiGrab: Algorithms & DSA version 1.15.6
Updated At: 2025-10-05
Changes: Polish language added
VisiGrab: Algorithms & DSA version 1.14.0
Updated At: 2024-08-06
Changes: 1. Union-Find Data Structure: Now available to enhance understanding of network connectivity and related challenges.
2. Kruskal’s Algorithm: Newly added to provide a robust method for computing the Minimum Spanning Tree (MST) in weighted graphs.
3. Enhanced Algorithm Code: Refined code for DFS, BFS, Prim’s MST, and Dijkstra ensures more effective learning experiences.
4. New Look: Our app icon and name have been updated to better reflect our evolving brand and mission.
VisiGrab: Algorithms & DSA version 1.13.6
Updated At: 2024-05-13
Changes: The "Random" menu item has been replaced with "Examples" for both the Minimum Spanning Tree and Dijkstra's algorithm presentations. Similar to the updates made previously for DFS and BFS, each of these sections now includes four predefined examples. This change fosters a more structured and illustrative learning experience, allowing for a clear demonstration of these algorithms on specific, consistent examples.
VisiGrab: Algorithms & DSA version 1.13.5
Updated At: 2024-05-04
Changes: 1. Enhanced visual presentations for Bubble Sort, Selection Sort, Insertion Sort, and Quick Sort, including both Lomuto and Hoare partition schemes. Minor refinements have also been made to Merge Sort and Heap Sort to enhance learning engagement.
2. The code for all sorting algorithms has been improved for better readability.
Disclaimer
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