Google Authenticator vs LibreOTP

Google Authenticator — Google Authenticator is a multi-factor authentication mobile app that generates timed codes for user verification. It helps protect user accounts by requiring both a password and a randomly generated

LibreOTP — LibreOTP is an open source one-time password authenticator app for Android. It enables two-factor authentication for logins by generating timed one-time passwords based on open standards.

Google Authenticator offers Generates time-based one-time passwords (TOTP), Supports HMAC-based one-time passwords (HOTP), Easy to set up and use, Available on iOS and Android devices, Syncs across multiple devices, while LibreOTP provides Generates time-based one-time passwords (TOTP) according to RFC 6238, Supports HMAC-based one-time passwords (HOTP) according to RFC 4226, Compatible with Google Authenticator and other OTP apps, Open source under the GNU GPLv3 license, Available on F-Droid as well as Google Play Store.

Google Authenticator stands out for Provides an extra layer of account security, No additional hardware token required, Widely supported by many online services; LibreOTP is known for Free and open source, No ads or tracking, Actively developed and maintained.

Feature	Google Authenticator	LibreOTP
Overall Score	N/A	N/A
Primary Category	Security & Privacy	Security & Privacy
Pricing	N/A	Open Source

Product Overview

Google Authenticator

Description: Google Authenticator is a multi-factor authentication mobile app that generates timed codes for user verification. It helps protect user accounts by requiring both a password and a randomly generated 6-digit code that refreshes every 30 seconds.

LibreOTP

Description: LibreOTP is an open source one-time password authenticator app for Android. It enables two-factor authentication for logins by generating timed one-time passwords based on open standards.

Key Features Comparison

Google Authenticator Features

• Generates time-based one-time passwords (TOTP)
• Supports HMAC-based one-time passwords (HOTP)
• Easy to set up and use
• Available on iOS and Android devices
• Syncs across multiple devices
• Open source

LibreOTP Features

• Generates time-based one-time passwords (TOTP) according to RFC 6238
• Supports HMAC-based one-time passwords (HOTP) according to RFC 4226
• Compatible with Google Authenticator and other OTP apps
• Open source under the GNU GPLv3 license
• Available on F-Droid as well as Google Play Store

Pros & Cons Analysis

Google Authenticator

Pros

• Provides an extra layer of account security
• No additional hardware token required
• Widely supported by many online services
• Free to use

Cons

• Requires a smartphone
• Account recovery can be difficult if phone is lost
• Some users may find codes inconvenient
• Limited customization options

LibreOTP

Pros

• Free and open source
• No ads or tracking
• Actively developed and maintained
• Easy to use interface
• Supports secure password storage

Cons

• Limited to Android platform only
• Less known compared to commercial alternatives
• Lacks support for push notifications

Pricing Comparison

Google Authenticator

• Not listed

LibreOTP

• Open Source