As what many says its prefer to have a Myetherwallet it safe and easy to used, for ERC20 token you may used this wallet to saved you token.
So far i don't heard any issues about in this wallet, you are the responsible with you're private key just download the file on you're using gadget or print out you're private key in a piece of band paper and keep in the place safe. In this way of having private key in you're own then 100% of assurance that you're coin and tokens are safe to store.