I have been using Windscribe for a few years now. It is an amazing VPN that I highly recommend. I only make use of the add-on when I'm at school because they've blocked everything but Google and Bing and, with Windscribe, I can use DuckDuckGo.
I use the desktop client the most. I have it on most of the time but, when my bandwidth gets low, I do have to turn it off. I've increased my bandwidth to 50GB/month by mining for Monero, which is a FANTASTIC business model. For this reason alone, I've recommended Windscribe to privacy-concerned individuals on numerous occasions!
