Customer Booking Manager Lt. by GIMIN Studio is a free Android business application designed to help manage customer reservations and bookings for various services such as hotels, pensions, car rentals, and hire services. The app offers a user-friendly interface with data presentation suitable for small and large touchscreens. It provides easy management of customer groups and own reservable resources/services like hotel rooms, cars for hire, etc.

One of the main features of the app is its calendar on the internet, which allows you to manage bookings from anywhere. The app also ensures data security by keeping all data only in the device without any data in the internet/cloud. It can work offline without an internet connection and offers different search modes. Moreover, it provides overbooking error control, taking a photo with description, two reservation/booking modes, and customer and resource management. The app supports horizontal and vertical screen orientation, event reminders, SMS reminders, and four color themes.