SOME users can have multiple browsers installed. Some can absolutely not. In fact, 1.6 billion users can only have one installed and it's not Chrome or Chromium based.
Assuming you're talking about iOS: and their OS won't let them install your app to manage files or flash microcontrollers anyway. It's not your problem when they choose an actively hostile platform.
Assuming you're talking about iOS: and their OS won't let them install your app to manage files or flash microcontrollers anyway. It's not your problem when they choose an actively hostile platform.