Logbook - TripTracker is a free travel and navigation application developed by SZ Software for Android devices. It provides an alternative to conventional logbooks by automatically tracking trips and generating logbook entries. It also allows users to manage vehicle expenses and keep track of their travel information.

The app features automatic determination of start and end address, start and end time, mileage, and travel time. It has a Bluetooth connection to the car, large and small widgets, and the ability to manage several cars in a car pool. Users can create private and business trips, use the speedometer, display distance with Google Earth, and filter entries by months and weeks. The app also provides an interactive calendar to display rides, and users can manually create entries within 24 hours.

Additionally, the app allows users to manage vehicle costs and supplement them with a photo. It has a backup and restore data feature, statistical analysis in bar and pie charts, and much more. The app is available in German and English, and users can help translate it to other languages by contacting the developer.

Overall, Logbook - TripTracker is a useful application for those who need to keep track of their trips and vehicle expenses. It is easy to use and provides a variety of features for users to manage their travel information.