Paytm mobile app today is more popular.because with paytam aap we can take money and take money without going desitantion.IT save our time.with paytm aap we can reacharge any mobile on sit at the same place.Today time value is more it save our time also.we can pay also elctricity bill.paytm also give cash back also.now can use paytm app in metro card reacharge also .book ticket online eg-bus , train, movies.