LeetCard vs AlgoViz
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
LeetCard
Prepare for coding interviews with AI-powered flashcards and adaptive learning. Master data structures, algorithms, and coding patterns with personalized plans and intelligent hints. Track your progress with detailed analytics to identify weak areas and stay motivated.
- AI-powered hints
- Personalized study plans
- Smart flashcards
- Clean organization
- Personalized dashboard
- Detailed analytics
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LeetCard is an AI-powered coding interview prep app that helps you master problems through smart flashcards, adaptive learning, and focused practice. Whether you're brushing up on fundamentals or grinding LeetCode Hard, LeetCard keeps you on track with personalized plans, clean organization, and intelligent hints - so you never get stuck. Key Features: • AI-powered hints for every problem, powered by OpenAI • Personalized study plans that adapt to your level • Smart flashcards for fast, on-the-go review • Clean organization of problems, notes, and progress • A personalized dashboard to stay focused and motivated • Detailed analytics to monitor growth and spot weak areas Support: • Privacy Policy: https://www.kubicle.studio/leetcard/privacy.html • Terms and Conditions: https://www.kubicle.studio/leetcard/terms.html
AlgoViz
This app offers interactive visualizations and step-by-step execution to help users understand complex data structures and algorithms. It features a physics engine for dynamic graph displays and allows custom inputs for real-time experimentation. Ideal for anyone looking to learn or master software engineering concepts visually.
- Interactive data structure visualizations
- Step-by-step algorithm execution
- Force-directed physics engine for graphs
- Custom input and live editing
- Comprehensive help section
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Master Data Structures & Algorithms Visually AlgoViz is an interactive visualization tool designed to help you grasp complex data structures and algorithms with intuitive animations and real-time interaction. Whether you're a beginner or an advanced learner, AlgoViz makes studying efficient and engaging. Learn and master some of the most important concepts in software engineering. Key Features - Force-Directed Physics Engine – Experience dynamic graph visualizations that react naturally to interactions. - Interactive Visualizations – Watch arrays, trees, graphs, and linked lists come to life as you manipulate them. - Step-by-Step Algorithm Execution – Follow sorting, searching, and pathfinding algorithms in real time. - Custom Inputs & Live Editing – Experiment with your own data and see changes unfold instantly. - Comprehensive Help Section – Get detailed explanations of each structure and algorithm as you learn. Make algorithm learning intuitive, visual, and fun with AlgoViz!
Screenshots
Verdict
The clearest difference is review sentiment: AlgoViz at 100% against LeetCard's 50%. AlgoViz also leads on rating (5.0 vs 4.4) and in-app purchases (none vs 3). LeetCard's advantage is ratings volume (83 vs 1) and iOS requirement (16.4 vs 18.1). On price and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. LeetCard sells 3 in-app purchases, starting at $3.99 per month. AlgoViz asks for nothing beyond the download.
AlgoViz holds the better App Store score, 5.0 against 4.4. That said, the two scores are not equally well evidenced: LeetCard has 83 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 50% of LeetCard's written reviews are positive against 100% of AlgoViz's.
| Parameter | LeetCard | AlgoViz |
|---|---|---|
| Price | Free | Free |
| Rating | 4.4 (83 ratings) | 5.0 (1 ratings) — better |
| Positive reviews | 50.0% of reviews | 100.0% of reviews — better |
| Number of ratings | 83 — better | 1 |
| Update frequency | Every 2 days | — |
| Ads | Yes | No — better |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Free — better |
| Devices | iPhone | iPhone |
| Requires iOS | 16.4 — better | 18.1 |
| Further details — not scored | ||
| Size | 124 MB | 5 MB |
| Age rating | 4+ | 4+ |
| Developer | Kubicle LLC | Duc-Phung Hoang |
Customer experience
LeetCard
AlgoViz
In-app purchases
LeetCard
- LeetCard Pro$3.991 Month
- LeetCard Pro3 Days trial$24.991 Year
- LeetCard Pro$39.99
AlgoViz
No in-app purchases









