Try Apple’s free Music Memos for iOS. It converts any input, including humming and singing, to a series of pitches: https://www.apple.com/music-memos/ https://w

Try Apple’s free Music Memos for iOS. It converts any input, including humming and singing, to a series of pitches: https://www.apple.com/music-memos/ https://www.apple.com/music-memos/