Cash pirate is a good and best source for mobile earning app but its like a secondary part(part time) of income source. we earn nearly 5$ in 10-15 day only .its concept when we download some app by this app then its pay us some coin .when we earn 2.5k coin then we redeem.
We also use this app and I suggest you that download app and earn like as a secondary part of income . its very useful for student pocket money.