Great app, although I would give it 5 stars if it had the option to turn off the use of the camera light. Most of the time I don’t want my camera light to flicker when playing the Morse code, I just want the sound. But I love that the light option is available for someone who is deaf, or maybe someone not able to use sound at the moment but wants to send a message to a friend, etc., the light option could come in handy. Just make it where I can turn it off or on and I will give this 5 stars and share with all my Ham radio friends! 😁 (the light flashes whether I hit the power button at the top or not.. maybe that’s supposed to toggle it on or off? But it didn’t do anything for mine).