Algorena: Learn Algorithms
Visual DSA & Interview Prep
About
Learn algorithms through interactive execution and prediction. This app provides step-by-step visualizations and quizzes to solidify understanding, with personalized drills based on your mistakes. It's designed for interview preparation and deep conceptual mastery.
What's New in Algorena
2.0
October 5, 2026
Now available globally
Subscriptions & In-App Purchases
$0.99
Algorena Pro
All 43 extra advanced lessons. Zero Ads
Developer apps
FAQ
How does Algorena teach algorithms?
Algorena teaches algorithms by having you watch them execute step-by-step, then pausing to let you predict the next move. This interactive approach, combined with concept-proving questions, ensures deep understanding rather than memorization.
What kind of algorithms can I learn with Algorena?
Algorena covers 58 skills across 18 tracks, including fundamental concepts like arrays, search, and sorting, as well as advanced topics such as dynamic programming, graph algorithms, and string matching.
Is Algorena suitable for interview preparation?
Yes, Algorena is specifically built for interview preparation. It focuses on mastery per skill, offers a climbing rank based on curriculum progress, and includes features like the Daily 5 to keep your knowledge sharp.
What is included in Algorena Pro?
Algorena Pro unlocks all 43 advanced lessons, the Coach's drills, and the Daily 5 across all skills. It also offers an ad-free experience and includes all future lessons for a one-time payment.
Does Algorena have ads?
The free version of Algorena contains advertisements. To remove ads and access additional features, users can upgrade to Algorena Pro.
Is my progress saved in Algorena?
Algorena prioritizes user privacy by not requiring an account or sign-in. Your progress is stored locally on your device, ensuring that your data never leaves your device.
How often is Algorena updated?
Algorena was last updated on October 5, 2026, indicating a commitment to ongoing development and improvements. Future lessons are included with Algorena Pro.
What devices does Algorena support?
Algorena is available for iPhone and iPad, making it accessible to a wide range of Apple users interested in learning algorithms.
