Almost every language learning blog bombards you with "the list of X best apps to learn a language". On the surface, it seems like such a great idea to have as many learning materials as you can. Variety can, after all, make your learning more interesting.
However, once again this is one of the habits which hinder your learning.
The problem is so-called "activation energy". This is energy you need to use in order to start conducting a given activity. The bigger it is, the smaller the chance that you will actually get down to work.
So what happens when you have 30 different learning tools?
The activation energy skyrockets! It's getting so hard to decide which one to use that eventually it leads to so-called "decision paralysis"