I heard Tuta/Mullvad are quantum-resistant end-to-end encrypted and that Mullvad VPN is better at avoiding trigging captcha.
While Proton services are hosted in Switzerland which has the strongest privacy laws in the world and avoids the surveillance of NATO.
Switzerland does not have the strongest data protection laws in the world. Don’t fall for the Proton marketing bs. Some NATO countries (Germany e.g.) have better laws.