Secure your Zoho Account with easy-to-use, multi-factor authentication. Because hackers won't give you a second chance.
Cost / License
- Free
- Proprietary
Application type
Platforms
- Mac
- Android
- iPhone
- Android Tablet
- iPad
- Apple Watch
India
Proton Authenticator Alternatives
Apps similar to Proton Authenticator include Bitwarden, which is open source with a free version. Other options are KeePassXC, KeePass, Aegis Authenticator and Ente Auth. You're spoiled for choice with Authenticators like Proton Authenticator: we list more than 50 alternatives for Android, iPhone, iPad, Windows and Mac.
Alternatives list
x2y Authenticator is a privacy-focused 2FA app that securely stores TOTP tokens in an encrypted vault. Features include Stealth Mode, Panic Backups, and Local PC Sync, giving you full control over your authentication data.
Cost / License
- Free
- Open Source (MIT)
Platforms
- Android
Kenya
+3
Encrypted Windows app for managing 2FA codes with AEGIS-256 and Argon2id, supporting Windows Hello, portable use, multilingual interface, token import/export, QR code/manual entry, generic TOTP, local storage, and dark mode interface for enhanced security.
Cost / License
- Free
- Open Source (MIT)
Application type
Platforms
- Windows
Germany
EU
+3
OTP authenticator app for managing your 2FA / OTP codes on iPhone, iPad, Mac and Apple Watch.
Cost / License
- Freemium
- Proprietary
Application type
Platforms
- Linux
- Android
- iPhone
- Android Tablet
- iPad
- Apple Watch
- Linux Mobile
- Flathub
- Flatpak
Australia
2FAuth is a web based self-hosted alternative to One Time Passcode (OTP) generators like Google Authenticator, designed for both mobile and desktop.
Cost / License
- Free
- Open Source (AGPL-3.0)
Application type
Platforms
- Self-Hosted
- Docker
- Cloudron
France- EU
Open-source Android authenticator supporting TOTP and HOTP, material design UI, backup and restore via files, Google Drive, or Android backup, works offline, privacy-focused, no analytics or ads, suitable for securing logins on popular services.
Cost / License
- Free
- Open Source (Apache-2.0)
Application type
Platforms
- Android
- F-Droid
2fast (acronym for two factor authenticator supporting TOTP) is the first free, open source, two factor authenticator for Windows and Android with the ability to store the sensitive data encrypted at a place of your choice instead of a 3rd party cloud location.
Cost / License
- Free
- Open Source (GPL-3.0)
Application type
Platforms
- Windows
- Chocolatey
GTK+ application for securely managing TOTP & HOTP tokens. Content is encrypted on disk using AES256-GCM. Master password derived using PBKDF2 with 100k iterations & SHA512 as hash algorithm. Can import encrypted backups from andOTP & Authenticator+.
Cost / License
- Free
- Open Source (GPL-3.0)
Application type
Platforms
- Linux
- Flathub
- GNOME
Italy- EU
Secure your online accounts with Open Authenticator : a free, open-source and lovely-crafted TOTP (Time-Based One-Time Password) manager.
Cost / License
- Freemium
- Open Source (GPL-3.0)
Application type
Platforms
- Mac
- Windows
- Android
- iPhone
- Android Tablet
- iPad
- Linux
+2
Chronos is an open-source two-factor authentication (2FA) app designed to deliver robust security and reliable backup features. It supports both time-based (TOTP) and counter-based (HOTP) authentication methods.
Cost / License
- Free
- Open Source (AGPL-3.0)
Application type
Platforms
- iPhone
- iPad
Singapore
Daito is a web-based 2FA authenticator for TOTP tokens. It enables you to share 2FA tokens with others to simply protecting shared accounts. No phone needed.
Cost / License
- Paid
- Proprietary
Application type
Platforms
- Online
- Software as a Service (SaaS)
Sentinel is an elegant OTP Authenticator app for both iOS and MacOS. It relies only on the Apple's iCloud Keychain to share data across devices.
Cost / License
- Freemium
- Proprietary
Application type
Platforms
- Mac
- iPhone
- iPad
- Apple Watch
+1
