Please check your device's compatibility before you buy a scale at http://perfectdrinkapp.com/compatibility If you're having issues, check the troubleshooting tips at http://perfectdrinkapp.com/support Perfect Drink® is the first interactive cocktail mixing app.  Use with the Perfect Drink scale to mix hundreds of delicious cocktails. Just choose a recipe, pour, shake/stir, and enjoy! The result is perfect every time. Watch the virtual glass fill up as you pour.  The app measures each ingredie