Can you please at least site some of those apps so that it will be more substantial, like what app is that and how they turn out to be a scam. Im sure this will really be a great help, not only for newbies.
It's hard to find legit websites anymore because there are many scams and a lot of scams that are under the guise of cryptocurrency, so you should be careful when investing or using dangerous applications because you can hack into the device you are using.