Hi friends
I like to share my experience of using databack app I have installed the app on june 2017 still now iam using that app .this app gives you the portion of data used on sponsered apps say 5 mb per app per day
This helps you to bag daily 20 mb of data free . once it reaches 150 mb you can reedem basing on the plans provided by your sevice ptovider
Still now I got 1 gb of data as data back and recharged several times
It is genuine app . usefull when your data is excuasted provides as a backup data.
It gives daily spins where u can earn upto 10mb per day extra
I had my first recharge for 115 mb as my service provider was Airtel . recharge plans differs for service provider to provider
I recomend this app because it does not require much space. it does its work if u give permissions
On or after some time u can have a material amount of data
Tnq friends here is proof of my recharge