uBook by Rainbow City Taxis is a free iPhone app that allows users to book a taxi in under 10 seconds, providing them with exclusive priority service. With its passwordless registration flow, users can easily create an account and start booking taxis right away.

One of the standout features of uBook is the ability to login and book with your business account, which makes it convenient for professionals who need to automate their expenses. The app also includes a price estimator, giving users an average of how much their trip will cost before they book.

When booking a taxi, users can see the driver's and vehicle details, ensuring a safe and reliable experience. They can also track the driver's arrival on the map, so they know exactly when to expect their ride.

Additionally, uBook allows users to schedule future trips, making it easy to plan ahead and ensure transportation is taken care of.

Overall, uBook by Rainbow City Taxis offers a fast and convenient way to book taxis, with features that prioritize user safety and provide a seamless experience.