NO!
Went from a reliable, intuitive app to a bubblegum-looking data miner. Forces you to enter ALL identifying information about the vehicles you had previously put into Gas Cubby. Tricks you to agree to upload all your data to the Cloud under the pretense of sending you an email backup (then they only send you a link to sign in to view your data). Pushes you hard to allow location tracking. So now they know exactly what car you drive, all gas/service details youve ever entered, and where you are at all times. And they say in their Terms that they share your info.
MyMarigold about
Fuelly: MPG & Service Tracker, v3.0.12