People are now being more and more paranoid while paying in cash for goods and services, due to the ongoing Covid-19 pandemic. With this, there is a huge shift for people using online apps like Paytm, Google Pay and more for making payments. All of these apps come with Universal Payment Interface (UPI) integration. This is the second huge bump such apps have gotten in recent times, with the first one being in 2016, with the demonetisation of Rs 500 and Rs 1,000 banknotes. If you are also looking to go digital with your wallet, here is a list of the top five UPI apps that you can start using.