What are the key differences between Ultrasurf and Viscosity?

Compare Ultrasurf and Viscosity side by side on Lunoo to see detailed feature differences, AI scores, and expert analysis.

How are Ultrasurf and Viscosity scored?

Ultrasurf has an AI score of 5.9/10 and Viscosity has an AI score of 8.3/10. Scores are based on category fit, feature coverage, pricing signals, public reception, and recency.

Ultrasurf vs Viscosity 2026 - Compared

Ultrasurf

Viscosity

WINNER Viscosity

Viscosity edges ahead with a score of 8.3/10 compared to 5.9/10 for Ultrasurf. While both are highly rated in their resp...

Ultrasurf

7.25 Good

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emoji_events WINNER

Viscosity edges ahead with a score of 8.3/10 compared to 5.9/10 for Ultrasurf. While both are highly rated in their respective fields, Viscosity demonstrates a slight advantage in our AI ranking criteria. A detailed AI-powered analysis is being prepared for this comparison.

emoji_events Winner: Viscosity

verified Confidence: Low

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description Overview

Ultrasurf

Ultrasurf is a VPN service initially developed to bypass internet censorship in China, offering proxy servers to access blocked websites and applications.

Viscosity

Viscosity is a VPN client software that utilizes the OpenVPN protocol and allows users to connect to custom OpenVPN servers for secure internet access.