The only gas stations in my area that are listed as options on this app are seedy and unclean, with loiterers and riffraff in the parking lots. As a woman I would not get gas at any of these stations after dark, and I don't usually fill up anywhere with dirty bathroom facilities (prefer to go in and wash my hands immediately after fueling). Maybe the app is worth it if this isn't the case in your area, or if you don't care. No Casey's, Kum N Go, QuikTrip, or Hyvee Gas, so it's a no go for me.