Greatester Catch
Productivity
Only for iPhone
Free · Designed for iPhone
iPhone
Your Complete Guide to Data Structures & Algorithms**
Greatester Catch transforms the way you learn computer science fundamentals. Whether you're a university student tackling your first algorithms course or preparing for technical interviews, this app provides everything you need to master DSA concepts.
COMPREHENSIVE LESSONS:
• Variables, Control Flow & Functions basics
• Arrays, Linked Lists, Stacks & Queues
• Hash Tables & Binary Trees
• Sorting Algorithms (Bubble, Quick, Merge, Heap)
• Searching Algorithms (Linear, Binary, Jump)
• Graph Traversal (BFS, DFS, Dijkstra)
Each lesson includes clear explanations, complexity analysis, and real-world applications.
INTERACTIVE ALGORITHM VISUALIZER
Watch algorithms come to life! Our beautiful visualizer lets you:
• See Bubble Sort swap elements step-by-step
• Understand Quick Sort's divide-and-conquer approach
• Visualize Binary Search halving the search space
• Track each operation with detailed explanations
PRACTICE & CHALLENGES
Test your knowledge with:
• Curated quiz questions with instant feedback
• Daily Challenges to build consistency
• Speed Rounds to sharpen quick thinking
• Weekly Contests to compete globally
TRACK YOUR PROGRESS
• Earn points for completed lessons and quizzes
• Maintain learning streaks for motivation
• Unlock achievements as you advance
• Monitor your mastery across all topics
BEAUTIFUL LEARNING EXPERIENCE
• Stunning gradient animations throughout
• Clean, intuitive interface
• Optimized for all iPhone screen sizes
• Light mode designed for comfortable studying
PERFECT FOR:
• Computer Science studentsф
• Self-taught programmers
• Coding bootcamp participants
• Technical interview preparation
• Anyone wanting to understand how software works
QUICK ACCESS TOPICS
Jump straight to key areas:
• Sorting Algorithms
• Searching Techniques
• Graph Theory
• Tree Structures
Start your journey to algorithmic mastery today. Download Greatester Catch and transform complex CS concepts into intuitive understanding!
Ratings & Reviews
This app has not received enough ratings or reviews to display an overview.
Fixed crash on startup for older devices.
Improved sync reliability.
UI glitches on the settings screen have been resolved.
The developer, Olena Shcheblykina, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Not Collected
The developer does not collect any data from this app.
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Provider
- Olena Shcheblykina
- Size
- 5.9 MB
- Category
- Productivity
- Compatibility
Requires iOS 16.6 or later.
- iPhone
Requires iOS 16.6 or later. - Mac
Requires macOS 13.5 or later and a Mac with Apple M1 chip or later.
- Languages
- English
- Age Rating
4+
- 4+
- Copyright
- © Olena Shcheblykina