Authy

VS

Duo Security

Cybersecurity Comparison

Authy vs Duo Security: Side-by-Side Comparison

Authy
Duo Security
Rating
★★★★★★★★★★
4.5/5
★★★★★★★★★★
4.6/5
Free Tier
Yes
Yes
Trial Days
None
30-day trial
Pricing
Free for personal use; Twilio Authy API for developers from $0.09/authentication
Free for up to 10 users; Essentials from $3/user/mo; Advantage from $6/user/mo
Company
Twilio
Cisco
Founded
2012
2010
Best For
Users wanting reliable backup of 2FA codes across multiple devices securely
Enterprises needing MFA that verifies device security posture not just user identity

Pros & Cons

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Authy

Multi-device sync allows using TOTP codes across phone, tablet, and desktop
Encrypted cloud backup prevents losing all codes if phone is lost or broken
App protect PIN or biometric locks Authy from unauthorized app access
Works offline without internet connection for generating TOTP codes
Free for individual users with no subscription cost for basic features
Cloud backup creates potential attack surface not present in offline apps
Account tied to phone number creating SIM swap attack vulnerability

Duo Security

Cisco-backed enterprise MFA with trusted access verification for every request
Passwordless authentication via Duo Push notification eliminates password risk
Device trust verification checks health of devices before granting access
Single Sign-On integration works with all major identity providers seamlessly
Free tier supports up to 10 users for small team evaluation
Enterprise pricing can be expensive for small to medium businesses
Phone call and SMS fallback options are less secure than app-based MFA

Use Case Analysis

Which is better for Two Factor Authentication?

Both Authy and Duo Security support Two Factor Authentication workflows. Duo Security has a slight edge with a 4.6 rating and Cisco-backed device health verification ensures only secure devices access corporate apps. If Two Factor Authentication is your primary use case, Duo Security is the safer pick.

Which is better for Encryption?

Both Authy and Duo Security support Encryption workflows. Duo Security has a slight edge with a 4.6 rating and Cisco-backed device health verification ensures only secure devices access corporate apps. If Encryption is your primary use case, Duo Security is the safer pick.

Which is better for Privacy?

Both Authy and Duo Security support Privacy workflows. Duo Security has a slight edge with a 4.6 rating and Cisco-backed device health verification ensures only secure devices access corporate apps. If Privacy is your primary use case, Duo Security is the safer pick.

Which is better for Password Management?

Both Authy and Duo Security support Password Management workflows. Duo Security has a slight edge with a 4.6 rating and Cisco-backed device health verification ensures only secure devices access corporate apps. If Password Management is your primary use case, Duo Security is the safer pick.

Which is better for Endpoint Security?

Both Authy and Duo Security support Endpoint Security workflows. Duo Security has a slight edge with a 4.6 rating and Cisco-backed device health verification ensures only secure devices access corporate apps. If Endpoint Security is your primary use case, Duo Security is the safer pick.

Verdict

Duo Security edges out Authy with a 4.6 vs 4.5 rating. Duo Security's main advantage: Cisco-backed device health verification ensures only secure devices access corporate apps. That said, Authy may still be the better choice if Users wanting reliable backup of 2FA codes across multiple devices securely.

Try Them Yourself

The best way to choose is to trial both. See full details on each:

Download Free Try Duo

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