OTP Auth vs Substack
A side-by-side look at OTP Auth and Substack. 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
Substack
News & Books
Substack is an email newsletter platform that allows writers and publishers to easily create, design, and distribute email newsletters. It aims to let freelance writers and bloggers build direct relationships with readers.
emailnewsletterswritingpublishingblogging
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