Have spent about 15 min figuring out why no servers are available on Firefox extension > only to find out that they dont offer it for free on Firefox. You can give it a try on Android instead. Really useless and wasting time if you want to use it on Firefox. They should have at least mentioned it explicitly.

you need to pay unlike the mobile app

I might be inclined to pay for Proton Plus if I could test the VPN extension. But I'm not going to pay for something that I cannot test.

I wouldn't waste my time installing this extension if it mentioned that it needs paying

Cannot use the extension without paying

Абсолютно не работает в бесплатной версии. Зачем обманывать людей! Зря только время потерял на установку на Arch Linux и на расширение.

Aucune possibilité de connexion sans abonnement payant alors que l'app Android / Mac/Windows propose des serveurs gratuits .

This is my first addon review ever.

I give it 1 star, because at the current time it has no use for me. It's paid. You get nothing free. I suggest to make it at least 10 minutes/ 1 hours a day free vpn.

If you add free stuff, I will edit my review

Hello, I thought Proton VPN was a libertarian socialist, I wouldn't have expected it to make an add-on for paid users.

Open source and all that nonsense just as an excuse to get email addresses?

Lures you with free use (See Website with the big Button "Proton Free"), although it is only for payment, which you only find out afterwards when you have already registered your email address.
Privacy and honesty look different.