There is a price war between taxi companies. Apps are making taxis cheaper. Some companies cut fares in half. London taxi drivers are unhappy with taxi apps. They say drivers of app taxis do not have enough knowledge of London's streets. Some taxi fares in London went down from $45 to $7.50.

A taxi app boss said the price war would mean more profits. He said companies should do things to be different. A London taxi driver said business was good. He said technology helps taxi drivers. One of New York's biggest taxi companies is unhappy with taxi apps. Singapore said it would regulate taxi app companies.