If you have to commute between different cities, InstaCab is one of the best portal to book cabs online. Presently known as Roder, the cab service is one of the reliable ones among others. The service is offered by experienced cab drivers with a flat minimal rate to provide you the best price. Such a service also reduces the difficulty of negotiating with the drivers over the final bill. The advance technology used allows you to monitor the distance traveled and calculates the least possible amount for the entire ride. You may also avail online coupon Instacab to get additional discounts on your rides on a frequent basis.