mCent app is very popular to earn free money for mobile recharge. In this app when you download apps you get credits which you can redeem for mobile talktime. When you refer someone on by using you referral link you get pretty good amounts.
When I use this app it was really easy to use. I am able to earn ₹100 in just one day. Here are the screenshots.
So download the mCent app and earn free mobile talktime.
Download link : https://mcent.com/app/?mcode=G663T1