Question: app to let someone know you are driving?
Answer: AT&T DriveMode. Availability: Android & iOS. This app was developed by AT&T but is available for both Android and iOS phones, regardless of the carrier. ...  Down for the Count. Availability: iOS. ...  LifeSaver. Availability: Android & iOS. ...  Drivemode. Availability: Android. ...  Drivemode Dash. Availability: iOS.