Anyone using this?

https://play.google.com/store/apps/details?id=net.adyno.adyno&hl=en

I just downloaded it. Seems pretty cool but I havent had a chance to compare it to my old G-tech. It asks a lot more info about the car compared to the old g-tech I have. I am still searching for rolling resistance to enter into its data base.

Go with about 15% for stock tires and 20-25% for anything larger and wider than stock.

I went with 17% for drivetrain loss but the rolling resistance is a different category in the data entry. I went with .015%, thats what most cars had that were already on their site. I have tires on the smaller side.