# VisiGrab: Learn to Code & DSA — Visual Python coding study app > Interactive visual guide for mastering algorithms and data structures. (iPhone/iPad app by Ievgen Ovsii.) - Source: https://appshunter.io/ios/app/visigrab-learn-to-code-and-dsa/id1484525469 (this page in markdown: same URL + `.md`) - Developer: [Ievgen Ovsii](https://appshunter.io/developer/1484523214) - Category: Education, Developer Tools - Price: Free with in-app purchases - Rating: 4.80/5 from 74 App Store ratings · 17 written reviews indexed - Age rating: 4+ - Requires: iOS 15.0 · 310 MB - Languages: American English - Released: 2019-11-09 - Data updated: 2026-09-27 - Monetization: free with in-app purchases - User reviews in markdown: https://appshunter.io/ios/app/visigrab-learn-to-code-and-dsa/id1484525469/reviews.md ## What is VisiGrab? VisiGrab is your interactive DSA visualizer — the easiest way to master Python coding, Java, and C++ programming through step-by-step visual animations. Whether you're a computer science student preparing for a code study exam, a self-taught developer getting ready for tech interviews, or an experienced programmer brushing up on data structures, VisiGrab makes learning intuitive and engaging. Why VisiGrab? The true value of VisiGrab isn’t just the content itself—which you can find online for free—but the way you experience and process it. Studying data structures from raw sources often feels like wandering blindly through a dark cave. VisiGrab acts as your guide, taking you by the hand and leading you smoothly along the winding paths into the light. It is also the ultimate tool to overcome imposter syndrome. Many talented programmers feel like frauds simply because they lack a formal background in algorithms. VisiGrab cures this anxiety by making core computer science concepts so intuitive that they finally click. As a student or developer, you have a choice: waste weeks digging through tons of unstructured tutorials, or build a rock-solid computer science foundation in just a few days. Time is your most valuable resource, and this study app is designed to save it. By delivering content in an adapted, step-by-step sequence, VisiGrab builds a cohesive mental map in your mind, transforming you into a confident engineer. Comprehensive DSA Coverage Data Structures: • Array, Linked List, Doubly Linked List • Stack, Queue • Min-Heap • Hash Table (chaining & open addressing techniques) • Binary Search Tree (BST) & Trie • AVL Tree & Red-Black Tree • B-Tree • Graph & Graph Constructor (build your own graphs) Sorting & Operations: • Bubble, Selection, Insertion, Merge, Heap, Quick Sort • Pre-order, In-order, Post-order, and Breadth-first traversal (BFS) • Inserting and deleting nodes in BST, AVL, and Red-Black Trees • Depth-first search (DFS) & Dijkstra's algorithm (shortest path) • Bellman-Ford, Prim's, and Kruskal's Minimum Spanning Tree • Topological Sort & Union-Find Code Examples in Java, Python, and C++ Every visual DSA animation is accompanied by its implementation code in Java app format, Python coding, and C++. See the direct link between the code and the visual animation — understand not just what the concept does, but how the program 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 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 coding fun and motivating. Interactive controls let you step through each node at your own pace, manipulate data in real-time, and see results instantly. Key Features • Interactive visual animations for every binary tree, graph, and structure • Step-by-step execution — pause, rewind, and control the pace • Code view with Java, Python, and C++ implementations • Offline access — study app anywhere, no internet required • Gamified interface that keeps you engaged • One-time purchase — no subscriptions, no ads, no recurring fees Learn DSA Anytime, Anywhere Whether you're commuting, waiting between classes, or studying at home, VisiGrab turns your phone into a powerful code learning study app. No internet connection needed — your complete DSA course is always available offline. Download VisiGrab today and start mastering data structures visually! ## Key features - Interactive visualizations - Step-by-step algorithm unfolding - Comprehensive DSA coverage - Code examples in Python and Java - Gamified learning - Offline access - Lifetime access ## Pricing and in-app purchases Base price: Free. **One-time purchases** | Purchase | Price | Type | | --- | --- | --- | | Lifetime Access — All Content | $6.99 | one-time | ## Recent user reviews (10 of 17) All indexed reviews: https://appshunter.io/ios/app/visigrab-learn-to-code-and-dsa/id1484525469/reviews.md ### 5/5 — Add More Programming Languages *2026-06-30, version 1.18.0* The app is an excellent tool for understanding how data structures and algorithms work visually. The UI is clean, and the animations make learning so much easier. It’s one of the best visualizers I’ve used so far. However, it would be great if you could add more core programming languages to make it even more comprehensive. Some suggestions include: • Kotlin • Dart • Javascript • Swift Adding these would make the app an even more powerful learning companion for students and developers preparing for interviews or improving DSA fundamentals. Keep up the great work! Excited to see new updates and more algorithm visualizations in the future. ### 1/5 — Asking subscription for such basic thing??? *2026-01-17, version 1.12.0* Asking subscription for such basic thing??? ### 5/5 — Code language *2026-01-05, version 1.12.0* Bro please provide C++ language for the code given been waiting for long time for the update. ### 5/5 — Muy buena. Y la tradujeron al Español! *2025-12-12, version 1.12.0* Excelente! Sigan agregando ejemplos en Python ### 5/5 — Una joya de app *2025-12-11, version 1.12.0* Actualizo mi reseña, ahora con la nueva actualización se añadieron otros idiomas. Totalmente recomendada para aprender sobre estructuras de datos y algoritmos. Gracias al desarrollador por la actualización 😁 ### 5/5 — Good but a bit pricey tbh *2025-04-22* I like the effort and visualizations but i think the price is a bit much for something easily found online. Its interactive which is great but $5 id pay for it, not $10 **Developer response:** Thank you for your review and five stars! I understand your concern about the price of the app. I would like to point out that this is a one-time fee and the content with updates will be yours forever. The content is indeed easy to find online. It's just a matter of how it's organized. I think this app is very well-designed and has great pedagogical value. Believe me, you are unlikely to regret purchasing this application - a number of things here are unique and you will no longer have difficulties with knowledge in this area, since the visualization remains in memory for a long time. Thanks again for your feedback and opinion on the price. By the way, the price started at two dollars. As content was added, the price went up a little. Money is hard to come by for many people and I don't want to say that $10 is not that much. Everything is relative. ### 4/5 — Please make a way for users to mark items complete *2025-02-14* Nice study tool. Would be better if we could mark sections understood as we move through sections to make it easier to navigate. **Developer response:** Thanks for suggesting the topic completion feature. I will add it in future updates. ### 5/5 — Best iOS app for DSA! *2024-08-09* This is a great app to watch and learn algorithms in detailed simulation along with its pseudo code! Amazing app, but it’d be great if the storage space could’ve been optimised. 200-300mb app is kinda big for a 16gb iPhone here 😔 **Developer response:** Thanks for the great review and for noting the app’s size. I’m aware it’s a bit large, and I’ll consider this for future updates. Also, look out for a new release with fresh content this month! Your feedback is invaluable - thanks again. ### 5/5 — Do you have this in python? *2024-07-03* Python? **Developer response:** Thank you for the 5-star review! Yes, the app includes Python implementations for data structures and algorithms. Just head to the ‘Code’ section in each topic’s menu, and you can toggle between Java and Python to see the code in your preferred language. ### 5/5 — Highly Recommended *2024-05-02* I highly recommend this application to those seeking to either newly learn or reinforce their understanding of fundamental data structures. Designer(s) show deep understanding of data structures through the illustrations and their backing program codes. They provide quality updates and improvements to the application as well which I have seen over the time. Top notch and inspiring, keep up the good work! **Developer response:** Thank you so much for the glowing review and recommendation! It's great to know that the updates and improvements are making a positive impact. Your support and kind words inspire me to keep enhancing the app. Thanks again for your encouragement! ## Frequently asked questions about VisiGrab ### What is VisiGrab? VisiGrab is an educational app designed to help users master algorithms and data structures through interactive visualizations and step-by-step explanations. It covers a wide range of topics from fundamental sorting algorithms to advanced graph traversal techniques. ### What algorithms and data structures does VisiGrab cover? VisiGrab offers comprehensive coverage including sorting algorithms (Bubble, Selection, Insertion, Quick, Merge, Heap), data structures (Arrays, Linked Lists, Stacks, Queues, Hash Tables, Trees, Graphs), and advanced concepts like AVL Trees, BFS, DFS, and Dijkstra's algorithm. ### Can I use VisiGrab offline? Yes, VisiGrab provides offline access, allowing you to study algorithms and data structures anytime and anywhere without an internet connection. ### Does VisiGrab have ads? No, VisiGrab is ad-free, providing an uninterrupted learning experience for its users. ### What is the learning methodology of VisiGrab? VisiGrab employs an interactive and visual learning methodology. Users can watch algorithms unfold dynamically, manipulate data, and engage with gamified elements to deepen their understanding and retention of complex DSA concepts. ### How does VisiGrab help with technical interviews? VisiGrab is designed to help users ace technical interviews by building a solid foundation in algorithms and data structures. The interactive visualizations and comprehensive coverage help in sharpening problem-solving skills essential for interview success. ### What programming languages are used for code examples in VisiGrab? VisiGrab includes code examples implemented in Python and Java, allowing users to see practical applications of the algorithms and data structures they are learning. ### What is the pricing model for VisiGrab? VisiGrab offers lifetime access with a one-time purchase, meaning there are no ongoing subscriptions required. It is available for free with optional in-app purchases. ## Version history (last 5 releases) ### 1.23.0 — 2026-09-25 Added B-Tree — add and remove keys, choose the maximum degree, and watch the nodes split, borrow and merge ### 1.22.0 — 2026-08-28 • Added end-of-topic quizzes to every remaining topic — sorting algorithms, trees, traversals, and graph algorithms • Heap: build-heap now runs step by step from the info dialog, showing every comparison and swap ### 1.21.0 — 2026-08-16 • Rebuilt the Hash Table topic as a slide-show presentation — reworked separate chaining and added open addressing, with insert, search, and delete • Long-press a topic on the home screen to mark it as learned ### 1.20.0 — 2026-07-22 Added Min-Heap ### 1.19.0 — 2026-07-02 Added end-of-topic quizzes for Array, Linked List, Doubly Linked List, Queue, and Stack — open one anytime from the menu ## Apps similar to VisiGrab | App | Rating | Price | Category | | --- | --- | --- | --- | | [Data Structure Display](https://appshunter.io/ios/app/data-structure-display/id1455489695) | 4.5 (676) | Free | Education | | [DSA Master - Data & Algorithms](https://appshunter.io/ios/app/dsa-master-data-and-algorithms/id1672776683) | 4.2 (35) | Free | Education | | [Codelet](https://appshunter.io/ios/app/codelet/id1517315454) | 4.7 (127) | Free | Education | | [LeetCard: Coding Flashcards](https://appshunter.io/ios/app/leetcard-coding-flashcards/id6478087443) | 4.4 (75) | Free | Education | | [Leet Track](https://appshunter.io/ios/app/leet-track/id1662188122) | 5.0 (6) | Free | Education | | [Learn Data Structures](https://appshunter.io/ios/app/learn-data-structures/id6446444404) | — | Free | Education | ## Related topics [algorithmics](https://appshunter.io/ios/topics/algorithmics) · [learn data structures pro](https://appshunter.io/ios/topics/learn-data-structures-pro) · [learn data structures](https://appshunter.io/ios/topics/learn-data-structures) · [leetcode learn](https://appshunter.io/ios/topics/leetcode-learn) · [dsa](https://appshunter.io/ios/topics/dsa) · [data structures](https://appshunter.io/ios/topics/data-structures) · [data structures java](https://appshunter.io/ios/topics/data-structures-java) · [data structures basics](https://appshunter.io/ios/topics/data-structures-basics) · [algorithmic](https://appshunter.io/ios/topics/algorithmic) --- *Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-09-27.*