Tune instruments with precision and noise filtering
Tune instruments with auto noise filtering. Select frequency and tuning settings. Display pitch for each string as high or low. Calibrate piano sound using an open string. Adjust A4 frequency between 428 and 452.
Allows users to adjust and calibrate instrument pitches. Select frequency and tuning settings. Display pitch for each string with high or low indicators. Calibrate piano sound by clicking open strings. Adjust A4 frequency between 428 and 452 Hz.
Create pixel art with a one-handed interface, layer system, and 1024x1024 canvas. Select ranges, use a visible grid, and edit with native performance. Save and share artwork directly.
Create sheets for bubble mark sheets. Set custom question and choice counts. Support uppercase, lowercase, and numeric choices. Allow multiple answers per question. Tap to select answers and highlight lines with long press or checkbox.
Create mind maps with customizable structures and drag-and-drop nodes. Add text, colors, and icons to nodes. Export maps as high-quality images. Sync across devices and share maps directly.