I will be even happier if you could introduce new friends to me! Share the link of CAD Pockets to your friends, and invite them to register and login to CAD Pockets, then both of you will be awarded with 1 month of Premium.
Sign in everyday
If you are so into me, I will also give all I have. Starting the app will automatically sign-in once a day. When you have signed-in for 10 days a month, you will have 1 month of Premium extended to your account.