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What is Proton Authenticator?

Proton Authenticator is a privacy-focused two-factor authentication app that generates time-based one-time passwords, thus providing an additional layer of security to online accounts beyond standard passwords and allowing users to protect their accounts across various devices. As an open-source application that uses end-to-end encryption, it guarantees that all cryptographic operations and secret keys are processed locally, meaning that even Proton's developers cannot access users' unencrypted 2FA data, thereby emphasizing a commitment to transparency and strong privacy by design. Users can synchronize their 2FA codes across multiple devices through encrypted backups, utilizing options such as iCloud or a Proton Account, while also having the capability to import codes from other authenticator apps and export them when needed, which grants them flexibility and control over their 2FA credentials without being locked into a single provider. In addition, Proton Authenticator is entirely free, with no advertisements or tracking, and features secure options like biometric locks and offline access, allowing users to generate login codes at any time, even without an internet connection. This makes it particularly appealing for individuals who prioritize security while efficiently managing their online accounts, as it combines usability with robust protective measures. Furthermore, its commitment to user privacy and transparency sets it apart in a market where many alternatives may compromise these values.

What is Aegis Authenticator?

Aegis Authenticator is a free and secure open-source application designed for Android, which aids users in managing their two-factor authentication tokens and bolstering the security of their online accounts through the generation of time-based or HMAC-based one-time codes (HOTP/TOTP) that are compatible with numerous services adopting standard 2FA protocols, making it a privacy-focused alternative to well-known applications like Google Authenticator and Authy. The app safely keeps tokens in a locally encrypted vault that can be accessed using a strong password and, optionally, device biometrics, while also providing various features such as encrypted backups, QR-code scanning, manual input, and the capability to import and export credentials from other authenticator tools, thus ensuring an easy and secure transition of existing 2FA configurations. Furthermore, Aegis includes extensive organizational features like customizable icons, grouping capabilities, multiple sorting options, and a search function, enabling users to effectively manage numerous accounts, all while its interface is designed with a strong emphasis on security and privacy. The commitment to open-source development not only builds community trust but also enhances transparency regarding its security measures, allowing users to feel confident in their choice of authenticator. This combination of features and principles makes Aegis Authenticator a highly regarded option in the realm of two-factor authentication solutions.

Media

Media

Integrations Supported

iCloud

Integrations Supported

iCloud

API Availability

Has API

API Availability

Has API

Pricing Information

Free
Free Trial Offered?
Free Version

Pricing Information

Free
Free Trial Offered?
Free Version

Supported Platforms

SaaS
Android
iPhone
iPad
Windows
Mac
On-Prem
Chromebook
Linux

Supported Platforms

SaaS
Android
iPhone
iPad
Windows
Mac
On-Prem
Chromebook
Linux

Customer Service / Support

Standard Support
24 Hour Support
Web-Based Support

Customer Service / Support

Standard Support
24 Hour Support
Web-Based Support

Training Options

Documentation Hub
Webinars
Online Training
On-Site Training

Training Options

Documentation Hub
Webinars
Online Training
On-Site Training

Company Facts

Organization Name

Proton

Date Founded

2014

Company Location

Switzerland

Company Website

proton.me/authenticator

Company Facts

Organization Name

Beem Development

Date Founded

2025

Company Location

United States

Company Website

getaegis.app/

Categories and Features

Authentication

Biometric
Credential Management
Knowledge-Based Authentication
Mobile Authentication
Multifactor Authentication
Out-of-Band Authentication
Policy Management
Self Service Portal
Single Sign On
Social Sign On

Categories and Features

Authentication

Biometric
Credential Management
Knowledge-Based Authentication
Mobile Authentication
Multifactor Authentication
Out-of-Band Authentication
Policy Management
Self Service Portal
Single Sign On
Social Sign On

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