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Google Authenticator

7.6

Good

Free Plan

language

description Google Authenticator Overview

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.

recommend Best for: Ideal for users who need an additional layer of security beyond their passwords.

info Google Authenticator Specifications

Api	N/A
Platform	Android, iOS
Languages	English (default), multiple languages available
Integration	Google accounts, third-party apps

balance Google Authenticator Pros & Cons

thumb_up Pros

check Seamless integration with Google accounts
check Highly secure TOTP codes
check User-friendly interface
check Cross-platform availability on Android and iOS

thumb_down Cons

close Limited to two-factor authentication only
close No built-in password manager
close Dependent on internet for QR code scanning
close Lack of biometric support

help Google Authenticator FAQ

How does Google Authenticator generate TOTP codes?

Google Authenticator generates Time-Based One-Time Passwords (TOTP) using a secret key and the current time, ensuring each code is unique.

Is Google Authenticator free to use?

Yes, Google Authenticator is available for free on both Android and iOS platforms.

Can I use Google Authenticator without an internet connection?

While you need an initial setup with QR code scanning, the generated codes can be used offline once set up.

What is Google Authenticator?

How good is Google Authenticator?

Google Authenticator scores 7.6/10 (Good) on Lunoo, making it a well-rated option in the Password Manager category. Google Authenticator scores 9.0/10 due to its high security, user-friendly interface, and seamless integration with Google accounts. However, it lacks...

How much does Google Authenticator cost?

Free Plan. Visit the official website for the most up-to-date pricing.

What are the best alternatives to Google Authenticator?

See our alternatives page for Google Authenticator for a ranked list with scores. Top alternatives include: Authy, LastPass Authenticator, 1Password Family.

What is Google Authenticator best for?

Ideal for users who need an additional layer of security beyond their passwords.

How does Google Authenticator compare to Authy?

See our detailed comparison of Google Authenticator vs Authy with scores, features, and an AI-powered verdict.

Is Google Authenticator worth it in 2026?

With a score of 7.6/10, Google Authenticator is a solid option in Password Manager. See all Password Manager ranked.

What are the key specifications of Google Authenticator?

API: N/A
Platform: Android, iOS
Languages: English (default), multiple languages available
Integration: Google accounts, third-party apps

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Reviews & Comments

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7.6

Good

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Why this score

Google Authenticator scores 7.6/10 due to its high security, user-friendly interface, and seamless integration with Google accounts. However, it lacks a built-in password manager and is limited to two-factor authentication only.

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