Tans: Logic for Kids vs On-Key Usage & Stats
Tans presents various types of logic-based games, using a playful and visually pleasing approach. Aimed at the children's audience, preferably in the age range of 7-9 years old, the application offers the proposition of aiding children in developing their reasoning skills by solving logical problems, while simultaneously acquiring basic concepts of logic. Designed to be used at home, with the assistance of family members and close individuals, Tans can be an excellent educational tool to support school learning, in addition to being another means to assist in the child's development for future challenges.
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Developers: Eduardo d'Alençon, Fernanda de Castro e Gustavo Diefenbach
Designer: Julia Gusmão
- Apple App Store
- Free
- Education
Store Rank
- -
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.
- Apple App Store
- Free
- Education
Store Rank
- -
Tans: Logic for Kids VS. 
On-KeyJanuary 18, 2026