https://arstechnica.com/gadgets/2023/12/beepers-esoteric-fix-for-imessage-access-suggests-why-its-pushing-politically/

Beeper's Android app, which initially promised iMessage support with just a phone number, lost that connection once Apple started openly pushing back on it less than a week after it launched. Beeper has kept revising its approach, and its newest method—involving regular access to a physical Mac—suggests why the company has added a political component to its efforts.

Beeper started pushing back after its initial blockage, both through continued development and through media and political messaging. After a second, if smaller, Apple crackdown, co-founder Eric Migicovsky welcomed CBS Mornings into his garage, where he advanced his argument that Beeper was turning grossly insecure SMS messages between iPhone and Android users into secure, end-to-end encrypted chats. (CBS also interviewed James Gill, the 16-year-old whose work connecting to iMessage, using reverse-engineering methods, is the foundation of Beeper's iMessage tech).