Gradation Piano vs DoReQuiz

Play the piano and watch your music come alive. Gradation Piano turns every note into a burst of color. Press a key and vibrant fluid — unique to that pitch — erupts from the keyboard and swirls across the display in real time, powered by a Metal-based fluid simulation. Features Full 88-key range — scroll freely from A0 to C8 Color-coded keys — each of the 12 pitches has its own hue, making it easy to recognize notes by sight Live fluid visuals — Metal GPU simulation reacts instantly to every touch, blending colors as you play chords Adjustable keyboard width — zoom in for larger keys or zoom out to see more of the keyboard at once Multi-touch — play full chords and let the colors mix

DoReQuiz turns musical listening into a tactile game. Listen to a short melody, find the notes on the keyboard, and progress round after round. The app is designed to train musical hearing without a complicated interface: a clear keyboard, immediate feedback, several difficulty modes, and a playful visual style inspired by small electronic instruments. Included modes: - Guided mode: keys light up to show the melody. - Easy mode: short phrases on one octave. - Normal mode: longer and more demanding melodies. - Instrument quiz: listen to a sound and choose the matching image. - Chords: find several notes played together. - Freestyle: play freely on the keyboard. DoReQuiz is made for beginners, children, curious musicians, and anyone who wants to practice listening, melodic memory, and note recognition in a direct way. No theory required to start: listen, play, repeat.