LetterSub Mobile App – “Newsletters, Anytime. Anywhere.”
Posted on Wednesday, April 9th, 2025
LetterSub is a SaaS platform for newsletter management and subscription growth. The LetterSub platform and products are developed and owned by LetterSub Inc., a startup based out of California, USA.
LetterSub SaaS platform is available as a web application. Using its web portal, newsletter publishers can create and update newsletter profiles, manage newsletter content (including archives), and share/promote the newsletter content to increase subscription growth and reader engagement. A web-based reader interface is supported for subscribers of the newsletters to consume the content on the LetterSub platform.
In the last two phases (Phase 1 and Phase 2) the LetterSub mobile app project, a mobile application was developed to consume content that is published on the LetterSub platform by using Firebase for user authentication and as data store for user data and newsletter content.