To give the scribeMD.ai app access to your microphone on an iOS device, follow these steps:

1. Open the Settings app on your iPhone or iPad.
2. Scroll down and tap on the app name "scribeMD.ai".
3. Tap on "Microphone".
4. Toggle the switch to the right to green, which means the app has access to your microphone.

Remember, you can return to this setting at any time to revoke microphone access if you no longer wish for the app to have this permission.