Icabbi is a taxi-hailing app that is different from other apps in a few ways. First, Icabbi offers pre-booking of taxis, so you can schedule your ride up to 24 hours in advance. Second, Icabbi allows you to pay for your ride with cash or card, as well as through the app itself. Lastly, Icabbi has a share my ETA feature, which allows you to share your estimated time of arrival with others.