The name of the mileage tracker was provided. I just Googled it out of curiousity. Interesting concept, but you still have to go in, designate which destinations are "business", and add justifications to the "automatic" log which is stored online for you to download.
I am going to stick with my Excel spreadsheet, bolstered by third party receipts which show odometer readings during the year.
Shopping Southeast Pennsylvania, Delaware above the canal, and South Jersey since 2008