Humming Score app for iPhone and iPad

I want to record a melody that comes to my mind...
This is an application that can be used in such a case to generate sheet music from humming and surrounding sounds.

feature
・Score images can be output (Post your score to SNS!)
・Generate sheet music in real time (somewhat fun!)
・Completely free (no charging elements at all!)

Configurable items, etc.
・Number of notes per bar: 4/8/16
・BPM: 60-200
・Semitone display: sharp/flat
・ Number of songs that can be saved: 64
・Microphone used: front/back/bottom of iPhone

You can also modify or play back the score later.