LastPass Authenticator might be a bit more popular than Duo mobile. We know about 1 link to it since March 2021 and only 1 link to Duo mobile. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.
Call me lazy but..for phone 2FA auth I'm using Duo in personal mode (TOTP). See guide.duo.com for a start. It's convenient and fast. My Yubikey is used for PC web 2FA and, no, I don't do any financials on mobile devices. Reason I picked Duo is Google Auth on Android had dings for not being secure (some say). BEWARE of Duo, if you try to buy they only sell in packs of 30 so that first bill could be... Source: almost 3 years ago
This is often discussed on this sub. When 2FA security is offered for a service you use, definitely use 2FA. Most people already know Google Authenticator, but for those that want to step away from Google, there are alternatives. Authy and LastPass are a few names I can recommend, though you'll have to DYOR on their differences. Source: over 2 years ago
andOTP - andOTP is a two-factor authentication App for Android 4.4+
Google Authenticator - Google Authenticator is a multifactor app for mobile devices.
Aegis Authenticator - Aegis Authenticator is a free, secure and open source app to manage your 2-step verification tokens...
Authy - Best rated Two-Factor Authentication smartphone app for consumers, simplest 2fa Rest API for developers and a strong authentication platform for the enterprise.
OTP Auth - The app for calculating one-time-passwords on iPhone and iPad.
Microsoft Authenticator - One app to quickly and securely verify your identity online, for all of your accounts.