Authy

VS

Signal

Cybersecurity Comparison

Authy vs Signal: Side-by-Side Comparison

Authy
Signal
Rating
★★★★★★★★★★
4.5/5
★★★★★★★★★★
4.7/5
Free Tier
Yes
Yes
Trial Days
None
None
Pricing
Free for personal use; Twilio Authy API for developers from $0.09/authentication
Completely free, funded by donations
Company
Twilio
Signal Foundation
Founded
2012
2014
Best For
Users wanting reliable backup of 2FA codes across multiple devices securely
Privacy advocates wanting the most trusted end-to-end encrypted messaging available

Pros & Cons

200 Jobs AI Will Replace
FREE REPORT

200 Jobs AI Will Replace

Is yours on the list? 52% of workers are already worried. Find out where your career stands before it's too late.

We respect your privacy. Unsubscribe anytime.

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

Signal

Signal Protocol encryption is industry standard adopted by WhatsApp and others
No metadata collection; Signal cannot see who you message or when
Disappearing messages with customizable timer per conversation thread
Note to Self encrypted personal notes sync across all your devices
Completely free with no ads, no data collection, and open-source code
Requires phone number for registration exposing identity to contacts
Desktop app requires phone to be active for some notification features

Use Case Analysis

Which is better for Two Factor Authentication?

Both Authy and Signal support Two Factor Authentication workflows. Signal has a slight edge with a 4.7 rating and The gold standard encryption protocol used as the basis for all major secure messengers. If Two Factor Authentication is your primary use case, Signal is the safer pick.

Which is better for Encryption?

Both Authy and Signal support Encryption workflows. Signal has a slight edge with a 4.7 rating and The gold standard encryption protocol used as the basis for all major secure messengers. If Encryption is your primary use case, Signal is the safer pick.

Which is better for Privacy?

Both Authy and Signal support Privacy workflows. Signal has a slight edge with a 4.7 rating and The gold standard encryption protocol used as the basis for all major secure messengers. If Privacy is your primary use case, Signal is the safer pick.

Which is better for Password Management?

Both Authy and Signal support Password Management workflows. Signal has a slight edge with a 4.7 rating and The gold standard encryption protocol used as the basis for all major secure messengers. If Password Management is your primary use case, Signal is the safer pick.

Which is better for Endpoint Security?

Both Authy and Signal support Endpoint Security workflows. Signal has a slight edge with a 4.7 rating and The gold standard encryption protocol used as the basis for all major secure messengers. If Endpoint Security is your primary use case, Signal is the safer pick.

Verdict

Signal edges out Authy with a 4.7 vs 4.5 rating. Signal's main advantage: The gold standard encryption protocol used as the basis for all major secure messengers. 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 Download Free

Related Comparisons

Authy vs Proton Mail Authy vs YubiKey Authy vs VeraCrypt Authy vs Duo Security
200 Jobs AI Will Replace - Is yours on the list? 52% of workers are already worried. Find out where your career stands before it's too late.