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Proton VPN vs Viscosity

Professional comparison and analysis to help you choose the right software solution for your needs.

Proton VPN icon
Proton VPN
Viscosity icon
Viscosity

Proton VPN vs Viscosity: The Verdict

Last updated: May 2026 · Comparison by Sugggest Editorial Team

Feature Proton VPN Viscosity
Sugggest Score — —
Category Security & Privacy Security & Privacy
Pricing Freemium —

Product Overview

Proton VPN
Proton VPN

Description: Proton VPN is a free and paid virtual private network (VPN) service that focuses on privacy and security. It encrypts internet traffic and hides IP addresses, allows users to access blocked websites, and protects against tracking and hacking while browsing.

Type: software

Pricing: Freemium

Viscosity
Viscosity

Description: Viscosity is a VPN client for macOS and Windows that allows you to connect to VPN services and tunnels. It has an easy-to-use interface and supports many VPN protocols like OpenVPN, L2TP, and IPSec.

Type: software

Key Features Comparison

Proton VPN
Proton VPN Features
  • Military-grade encryption
  • No logs policy
  • Kill switch
  • Secure Core servers
  • Tor over VPN
  • P2P support
  • Split tunneling
  • Ad blocking
Viscosity
Viscosity Features
  • User-friendly interface
  • Supports many VPN protocols like OpenVPN, L2TP, IPSec
  • Auto-connect on launch
  • Per-app VPN routing
  • Split tunneling
  • NAT traversal
  • Scripting support

Pros & Cons Analysis

Proton VPN
Proton VPN
Pros
  • Excellent security features
  • Fast speeds
  • Works with Netflix
  • Allows torrenting
  • Good free plan
Cons
  • Small server network
  • No custom VPN protocols
  • Limited configuration options
Viscosity
Viscosity
Pros
  • Easy to set up and use
  • Reliable connections
  • Lots of configuration options
  • Good performance
  • Supports many protocols
Cons
  • No free version
  • Expensive subscription plan
  • Limited to 2 simultaneous connections in standard version
  • No ad blocking

Pricing Comparison

Proton VPN
Proton VPN
  • Freemium
Viscosity
Viscosity
  • Not listed

Related Comparisons

Learn More About Each Product

Proton VPN
Proton VPN
Reviews, pricing & alternatives →
Viscosity
Viscosity
Reviews, pricing & alternatives →

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