Donnie Wittbrodt
Fuel-It Ethanol Content
Free***Note that this app requires a custom Bluetooth module to function. Info on the module can be found here:http://www.fuel-it.biz/ethanol-analyzer-...
iOSJB4 Mobile
PaidNote that this app requires a custom Bluetooth Low Energy module and an iOS device that supports Bluetooth Low Energy (iPhone 4S and newer) to operate.
iOS