On vs Boolearn

On-Key transcends being merely a virtual piano app - it's an inclusive musical universe! With its unique approach, it provides a welcoming environment for all aspiring musicians. Carefully chosen colors ensure visual comfort, and the clear, readable interface caters to a wide range of users. Dive into interactive lessons, refine your skills, and explore a vast musical repertoire. Whether you're a curious beginner or a seasoned enthusiast, On-Key adapts to your pace, offering support and encouragement with every note. Discover the magic of barrier-free music, join a vibrant community, and embark on your musical journey today. Download On-Key and let the music guide your inspiration, where everyone has a place to play and express themselves. Developed by Julia Gusmão, Luana Thomas, Matheus Venturini, Nathan Schostack and Pedro Muller.

Boolearn is an interactive educational platform designed to help you learn the world of digital electronics in a practical, accessible, and fun way. Developed by Gustavo Diefenbach, the game invites you to discover the foundations of the technology we use every day. Chapter I: Decimal and Binary Numbers Understand how decimal numbers work and discover the binary system, the core of digital computation. Chapter II: Logic Gates and Logic Levels The first chapter introduces the basics of digital logic, teaching how logic gates work and how logic levels (0 and 1) control digital systems. Step by step, you’ll learn to play with logic gates like AND, OR, NOT, and more — all through intuitive gameplay and hands-on challenges.