What are the key differences between Google Authenticator and Duo Security?

Compare Google Authenticator and Duo Security side by side on Lunoo to see detailed feature differences, AI scores, and expert analysis.

How are Google Authenticator and Duo Security scored?

Google Authenticator has an AI score of 7.57/10 and Duo Security has an AI score of 8.28/10. Scores are based on category fit, feature coverage, pricing signals, public reception, and recency.

Google Authenticator vs Duo Security 2026 - Compared

Google Authenticator

Duo Security

WINNER Duo Security

Duo Security edges ahead with a score of 8.3/10 compared to 7.6/10 for Google Authenticator. While both are highly rated...

Google Authenticator

7.57 Good

Password Manager

emoji_events WINNER

Duo Security

8.28 Great

Password Manager Get Duo Security open_in_new

Google Authenticator Free plan available

payments

Duo Security From $10/user/month

psychology AI Verdict

Duo Security edges ahead with a score of 8.3/10 compared to 7.6/10 for Google Authenticator. While both are highly rated in their respective fields, Duo Security demonstrates a slight advantage in our AI ranking criteria. A detailed AI-powered analysis is being prepared for this comparison.

emoji_events Winner: Duo Security

verified Confidence: Low

Ready to decide? Get Duo Security arrow_forward

description Overview

Google Authenticator

Google Authenticator is a widely-used open-source two-factor authentication service that generates TOTP codes via QR code scanning. It integrates seamlessly with Google accounts and supports other services through third-party apps. Known for its simplicity and reliability, its particularly favored by businesses requiring easy setup and management.

Duo Security

Duo Security provides enterprise-grade two-factor authentication with push notifications, voice calls, and SMS-based one-time passwords (OTPs). It supports a wide range of platforms and integrates seamlessly with popular business applications. Duos advanced security features and robust management tools make it a preferred choice for large organizations.