Speedline Taxi is a free iPhone application by SPEEDLINE TAXI LTD, falling under the Travel & Navigation category. The app allows users to book taxis swiftly with just two taps, catering to areas like Bedford, Milton Keynes, Northampton, and Wellingborough. With over 2000 vehicles, Speedline Taxis offers quick service for various travel needs, whether it's a short trip to the local shop or a ride to the airport. Users can book immediately or schedule rides in advance, view price estimates, and choose payment options ranging from in-app card transactions to cash payments.

Safety features include real-time driver tracking, driver details display, and direct communication with drivers. Additionally, users can request multi-seater vehicles or VIP upgrades, rate drivers post-trip, and even tip them through the app. The app is part of the RIIDE network, ensuring reliable cab bookings across the UK and Ireland.