Words and Puzzles for Kids

Words and Puzzles for Kids (Kidendo) is an ad-free, teacher- and psychologist-tested learning app for toddlers and children ages 1–5. Designed for safe independent play or guided parent-child interaction, Kidendo uses a parental security code and dynamic difficulty adjustment to adapt games to each child's progress. The simple, kid-friendly interface and realistic Montessori-style graphics encourage exploration while preventing undesired actions.

The app includes a growing collection of activities—shapes, colors, vocabulary with high-quality images, over 350 puzzle cards, memory matching, sorting, basic number concepts, recycling lessons, and musical instruments (xylophone and piano). Content is updated monthly, supports early development goals, and emphasizes attention, spatial orientation, memory, and concept understanding in a fun, engaging way.