I am sorry about this student and what happened to them, but that’s not true. The crime though (mostly mugging and pickpocketing), especially in Rio and São Paulo cities, is something to be concerned about.

Source: I am brazilian.

Kagi has worked REALLY well for me for all topics, but it is a paid service…

As someone who works extensively with the spin offs instruments, I can safely say that they would be just as outraged. They are all bad quality, fail VERY frequently, and, guess what, you have to subscribe to be able to use all the features of the hardware you bought.