YOU MUST ALSO HAVE DRIVERDIARY FREE INSTALLED IN ORDER TO USE THE PRO VERSION. THIS IS ONLY A KEY FILE TO UNLOCK THE PRO FEATURES WITHIN DRIVERDIARY AND DOES NOT OPEN OR HAVE A LAUNCHER ICON. IT WILL NOT APPEAR IN YOUR APP DRAWER, ONLY IN YOUR MANAGE APPS MENU. Sync your data between multiple devices. DriverDiary Pro is the first and only vehicle tracking app to incorporate sync functionality. Do you know how much it costs to drive your vehicle every day? Find out with our comprehensive stats as you enter and track your fill ups, service costs and expenses. DriverDiary has a familiar, user friendly interface and conforms to Androids latest standards unlike most other similar apps. DriverDiary is compatible on all devices running Android 2. 1 and up including tablets. It has an unsurpassed feature list in the free version, including unlimited vehicles and records and import/export/backup functionality. Where other apps limit you and charge, DriverDiary is fully functional and UNLIMITED for FREE. We believe that the data you enter is yours and you should be able to export it, back it up and do whatever you want with it whenever you want without having to pay an additional charge to get to it. If you encounter any bugs or errors, please email us or use the "Report" button so we can attempt to resolve the issue before leaving a bad rating and/or a bug report in the comments. We can't reply to the comments to help you or notify you when the bug is fixed. We fix bugs quickly when they arise and we want you to contact us. We pride ourselves on our customer service and quick response times. PRO Features-All standard features plus. Sync your data to the SweyPro server for easy restore of data and syncing to multiple Android devices-Automatic Sync-Automatic backupâ? â? -Use GPS/Network location to populate location addresses and attempt pre-populate of gas station -Backup/Restore to Dropbox, Box and Google Drive-Add multiple attachments to any item including images and files. Get EPA fuel efficiency ratings for your vehiclesâ? -Map view of fill ups and trips that contain addresses-Add vehicle by VINâ? â? â? -Recalls and TSB's viewable for vehicles added by VINâ? â? â? -Factory service types and reminders for vehicles added by VINâ? â? â? -AD FREE. Warm fuzzy feeling of supporting the dev. â? EPA fuel efficiency ratings currently available ONLY for US sold vehicles dating back to 1984. Some upcoming model year vehicles may not yet have ratings available. â? â? Automatic backup and service reminders use your devices built in alarm manager and NOT a constantly running background service. DriverDiary is resource and battery friendly. â? â? â? Adding a vehicle by VIN, recalls, TSB's and factory services currently available ONLY for vehicles dating back to 1990Please leave a review for DriverDiary Pro if you download it and use it. Let others know what you think. Any comments or suggestions for future versions, please email us and let us know. We want your feedback. This app is acar fuel log. Driver Diary fuel mileage tracker.