Cool Tach
Make your vehicle Tweet!  Cool Tach is a Tachometer for your vehicle that will send your vehicle's RPM value as a status update to Twitter. Cool Tach connects to your vehicle's computer system via Wi-Fi.


Features:
  • Sends your RPM status to your Twitter account to create a history log.
  • Status update rate is adjustable from 1 to 100 minute intervals.
  • Ability to select from multiple accounts allowing the user to have a separate account for their vehicle, or use their own account to let followers know their RPM status.
  • Status updates can be disabled to use the application as a simple auxiliary tachometer.
Uses:
  • Monitor RPMs while troubleshooting under the hood
  • Auxiliary RPM gauge inside vehicle 

    https://itunes.apple.com/ca/app/cool-tach/id481486569?mt=8&uo=4&at=10lqRJ&ct=coolapp
 https://itunes.apple.com/ca/app/cool-tach/id481486569?mt=8&uo=4&at=10lqRJ&ct=coolapp