Proton VPN is a VPN service with many features and a strong focus on privacy.
Proton VPN is one of the few VPN services that offer multiple plans with different feature sets. They offer 4 plans, Free, Basic (5€/month), Plus (10€/month) and Visionary (30€/month).
Just like most VPN providers, Proton VPN also offers strong reductions when the plan is taken out over a longer period of time. The one-year plan is 20% cheaper and the two-year plan is 33% cheaper.
Read more on the pricing page of the service.