Apps similar to Sentinel Authenticator 2FA include Aegis Authenticator, which is free and open source. Other options are Proton Authenticator, Bitwarden Authenticator, 2FA Authenticator (2FAS) and Authy. You're spoiled for choice with Authenticators like Sentinel Authenticator 2FA: we list more than 50 alternatives for Android, iPhone, iPad, Mac and Windows.
SAASPASS is an Authenticator, Password Manager and a repository for Secure notes. It also secures access to computers such as Macs and Win with two-factor authentication. It can be used for personal use and/or by a company to secure their cloud apps.
United States
Qualys, Inc., is the most widely-deployed information security and compliance cloud solution in the world with over 7,700 customers including a majority of the Forbes Global 100 and a majority of the Fortune 100.
Invantive Authenticator is a two-step verification solution for use with TOTP-protected websites and products such as Exact Online. Made in Holland by a partner of Exact, awarded accountancy app partner of the year 2017.
Netherlands
EU
BelgiumEU
HENNGE OTP Generator is a virtual device application for multi-factor authentication (MFA), so-called two-step verification, which generates time-based one-time passwords (OTP).
Japan
Privacy-first two-factor authentication for iPhone, iPad, Mac, and Android that creates offline TOTP codes, imports accounts, syncs encrypted backups, provides biometric or PIN protection, organizes entries with search and icons, and highlights weak security setups.
Türkiye
Fast, offline 2FA codes in your browser — TOTP two-factor authentication. Quick import from Google Authenticator.
Coffer is a self-hosted, multi-user authenticator vault. It generates TOTP codes in the browser and encrypts each user's vault before storing it on the server. It also supports QR imports, groups, backups, and 2fas transfers.
Türkiye
2faConsole is a lightweight, cross-platform two-factor authentication (2FA) console application built with C# .NET. It uses the dependency-free Pxoqxo.Otp2fa library to provide secure, terminal-based OTP management.
Download TU Latch, a second factor authentication (2FA) and authorisation (2FAuth) app that provides additional protection for your digital services with authorisation controls, TOTP access control and web browsing security from your computer.
SpainEU
Two-step verification app with offline code generation, HOTP and TOTP support, biometric login, local auto backup, QR and image import, multi-language interface, account personalization, dark mode, label grouping, and data privacy controls for secure management.
India
