No boasting. It is most used app for cashless transaction, be it paying utility bills including telephone , mobile prepaid postpaid, gas, water, metro card recharge, fuel etc. Also u many roadside sellers also adopting this app for easy transaction to avoid keeping cash or change for payment. Facts shouts itself. After demonitization, maximum people moved to the paytm app. Its customer base incresed by 400% . its user interface is user friendly making it easier and understandable to anyone who is using it for the first time. Go for it for cashless transaction to promote cashless transaction.