Watch the algorithm run
Play, pause and scrub through every step while the matching line of code lights up.
Work · Algo Mind
Live on both storesKotlin Multiplatform
Algo Mind
See algorithms run. Finally understand them. Step-by-step visualisations, code puzzles and cheat sheets that make sorting, searching and graph algorithms finally make sense, with solutions in Python, Java, Kotlin and C++. One shared Kotlin codebase, live on both stores.
PlatformsiOS + Android
StackKotlin Multiplatform
ModelFree tier + subscription
What it does
Built to be understood.
Prove you got it
Fill-in-the-blank code puzzles, step ordering and true-or-false checks after every lesson.
Four languages, one explanation
Every problem ships in Python and Kotlin; most of the library adds Java and C++.
In numbers
Algo Mind, by the numbers.
- Problems
- 1,577
- Topics
- 17
- Walkthroughs
- 160+
- Code puzzles
- 188
- Cheatsheets
- 21
- Video lessons
- 14
- Curriculum
- 8 chapters
- Languages
- 4
- Instagram followers
- 51K
Figures as of October 2026.
Questions
Asked often.
Is Algo Mind free?
It is free to download and free to start. As of October 2026, Algo Mind Pro costs $22 a month or $69 a year in the US; prices are set per country and are lower in many regions.
Which platforms does it run on?
iOS and Android, built from one shared codebase so both apps stay in step.