Absolutely not.. You are not obliged to buy or rent any of Bashqash point of sale (POS) devices to enable your operations. You and your customers can use their own devices by installing the Android and/or iOS apps directly from the app stores. Our payment devices are 128bit secured and could issue bills right after the transaction completed. This may not be attained using the regular mobile devices. So we encourage you to use the devices for an enhanced experience for you and your customers