OTP Auth vs SMTP2GO
A side-by-side look at OTP Auth and SMTP2GO. For an in-depth review of either product, follow the links below.
OTP Auth
Security & Privacy
OTP Auth is a free and open source two-factor authentication app for Android and iOS. It generates timed one-time passwords for use in two-factor systems. It supports both HOTP and TOTP standards and can scan QR codes to easily set up accounts.
twofactor-authenticationopen-sourceqr-codehotptotp
SMTP2GO
Online Services
SMTP2GO is an email delivery service that allows you to send transactional and marketing emails through a simple API or SMTP server. It handles deliverability issues and provides detailed analytics and reports.
emailsmtpmarketinganalyticsreports
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