I prefer mining with GPU or ant miner that is taking our personal information also one problem if we use many ape in our phone that is make our battery lifespan decreased.
This especially indicates that it cannot really recover the cost of their own data or even the cost of electric power. even they going to pay us paying with only few cents.
Then after i start to earn thinking that its a fun. I leave to fear and started earning and searching the ways as fun. you just have to keep trying but don't forget it study and improve every day.