Fraaax

App rich in content and very specific . It is well structured and even a technology neophyte could quickly find what he is looking for. I give it 4 stars because I think the only flaw is the lack of a version in other languages. I understand that English was adopted as the only language because it is the most widely used language, but adding a few more languages (such as Italian, German or French, which are also widely used) I think would benefit everyone. The implementation of new languages even in the absence of mastery of the above languages does not, I think, require much difficulty since