Algorithms vs LeetCard
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Algorithms
Explore and learn about a wide range of algorithms through clear explanations and animations. Deepen your understanding with interactive simulation modes and discover algorithms related to encryption and security. This app offers a comprehensive journey into the world of computer science concepts.
- Animated algorithm explanations
- Interactive simulation mode
- Encryption and security algorithms
- Data structures explained
- Sorting algorithms
- Graph search algorithms
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Enjoy watching, trying, and learning with this guide to algorithms. The wide-ranging field of algorithms is explained clearly and concisely with animations. Deepen your understanding by exploring concepts in "Sim Mode". Also includes algorithms closer to home involving encryption and security. Come on, let's take a journey into the world of algorithms! ==== Categories and Included Topics ==== [ Sort ] Bubble Sort, Selection Sort, Insertion Sort, Heap Sort, Merge Sort, Quicksort [ Clustering ] k-means Algorithm [ List Search ] Linear Search, Binary Search [ Graph Search ] Breadth-First Search, Depth-First Search, Bellman-Ford, Dijkstra's Algorithm, A* algorithm [ Math ] Euclidian Algorithm, Primality Test [ Data Compression ] Run-Length Encoding, Huffman Coding [ Security ] Hash Functions, Shared-Key Cryptosystem, Public-Key Cryptosystem, Hybrid Cryptosystem, Diffie-Hellman Key Exchange, Message Authentication Codes, Digital Signatures, Digital Certificates [ Data Structures ] Lists, Arrays, Stacks, Queues, Hash Tables, Heaps, Binary Search Trees [ The Web ] PageRank [ Recursion ] Tower of Hanoi ==== Downloading and Viewing All of the Algorithms ==== This app is free to download. A portion of the app's topics can be viewed after choosing to "Purchase all algorithms". ==== On iPad ==== This app is also compatible for use on iPad, where it can be used in both horizontal and vertical orientations. ==== Supported languages ==== - English - Español (Spanish) - Português (Portuguese) - 中文 (简体字) (Chinese (Simplified)) - Русский (Russian) - 日本語 (Japanese) - 한국어 (Korean) The display language can be changed on the settings menu. ==== About VPP Compatible Version ==== We also provide Volume Purchase Program (VPP) compatible version as another app for educational institutions and companies. if need be, visit "Volume Purchase Program" (https://vpp.itunes.apple.com/) and search "Algorithms VPP".
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
Screenshots
Verdict
The clearest difference is review sentiment: Algorithms at 91% against LeetCard's 54%. Algorithms also leads on ads (none vs shown) and rating (4.7 vs 4.5). LeetCard's advantage is update cadence (every 2 days vs every 6 weeks). On price, ratings volume, in-app purchases and monetization model 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. Algorithms sells 1 one-off in-app purchase and LeetCard sells 3 in-app purchases, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.
Algorithms holds the better App Store score, 4.7 against 4.5. Both are backed by a comparable volume of ratings — 101 and 80 respectively. Written reviews point the same way: 91% of Algorithms's written reviews are positive against 54% of LeetCard's.
Algorithms ships an update every 6 weeks, LeetCard every 2 days. The most recent releases landed on October 8, 2026 and October 9, 2026 respectively.
| Parameter | Algorithms | LeetCard |
|---|---|---|
| Price | Free | Free |
| Rating | 4.7 (101 ratings) — better | 4.5 (80 ratings) |
| Positive reviews | 90.6% of reviews — better | 53.8% of reviews |
| Number of ratings | 101 — better | 80 |
| Update frequency | Every 6 weeks | Every 2 days — better |
| Ads | No — better | Yes |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 12.0 — better | 16.4 |
| Further details — not scored | ||
| Size | 32 MB | 124 MB |
| Age rating | 4+ | 4+ |
| Developer | Moriteru Ishida | Kubicle LLC |
Customer experience
Algorithms
LeetCard
Bugs and requests
Algorithms
Requested features
11 requests- Add code examples (Python, C++, JS)
- Include time complexity (Big O notation)
- Add more algorithms
- Include AI-related algorithms (neural networks, reinforcement learning)
- Add propositional and set logic for programmers
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- Animated examples of algorithms used together
- Add more tech-related topics (data engineering, analytics, ML, DB architecture)
- Add more features
- Add algorithm practice sections
- Add Red-black tree
- Add machine learning algorithms
LeetCard
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Algorithms
- All of the algorithms$2.99
LeetCard
- LeetCard Pro$3.991 Month
- LeetCard Pro3 Days trial$24.991 Year
- LeetCard Pro$39.99
