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Tunnelblick vs Viscosity

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

Tunnelblick icon
Tunnelblick
Viscosity icon
Viscosity

Tunnelblick vs Viscosity: The Verdict

⚡ Summary:

Tunnelblick: Tunnelblick is a free, open source VPN client for macOS that allows users to connect to VPN servers that use the OpenVPN protocol. It provides an easy-to-use interface to create secure connections for data privacy and access to restricted resources.

Viscosity: 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.

Both tools serve their respective audiences. Compare the features, pricing, and user ratings above to determine which best fits your needs.

Last updated: May 2026 · Comparison by Sugggest Editorial Team

Feature Tunnelblick Viscosity
Sugggest Score 31 —
User Rating ⭐ 3.5/5 (32) —
Category Security & Privacy Security & Privacy
Pricing Free —
Ease of Use 3.0/5 —
Features Rating 3.8/5 —
Value for Money 4.7/5 —
Customer Support 2.4/5 —

Product Overview

Tunnelblick
Tunnelblick

Description: Tunnelblick is a free, open source VPN client for macOS that allows users to connect to VPN servers that use the OpenVPN protocol. It provides an easy-to-use interface to create secure connections for data privacy and access to restricted resources.

Type: software

Pricing: Free

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

Tunnelblick
Tunnelblick Features
  • OpenVPN client for macOS
  • Easy-to-use graphical user interface
  • Supports connecting to OpenVPN servers
  • Configuration via VPN configuration files
  • Auto-connect on launch
  • Notifications for connection status
  • Open source software
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

Tunnelblick
Tunnelblick

Pros

  • Free and open source
  • Simple to set up and use
  • Works with many VPN providers
  • Reliable and stable
  • Actively developed and supported

Cons

  • macOS only (no Windows or Linux support)
  • Limited to OpenVPN protocol only
  • No built-in VPN server capabilities
  • Less flexibility in advanced configuration than OpenVPN CLI
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

Tunnelblick
Tunnelblick
  • Free
Viscosity
Viscosity
  • Not listed

⭐ User Ratings

Tunnelblick
3.5/5

32 reviews

Viscosity

No reviews yet

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Tunnelblick
Tunnelblick
Reviews, pricing & alternatives →
Viscosity
Viscosity
Reviews, pricing & alternatives →

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