Yes. Your friend is telling you the truth. Way2sms provides free recharge for completing some of the tasks provided by this website. You can win some paisa by answering simple questions; you can also earn recharge by registering, inviting your friend, downloading apps and signing up to some website through Way2sms.
Login to your Way2sms account and select the free recharge option. You will come to know all the tasks which you can perform to win free recharge.