Across the world, the biggest smartphone manufacturers are Apple (28%), Samsung (24%), Xiaomi (12%), Oppo (6%) and Vivo (5%). However, there are geographic patterns in popularity, with Apple dominating North America, East Asia and Europe, while Samsung leads in South America, Africa and West Asia in addition to its home turf of South Korea. Xiaomi is the most popular phone brand across South Asia, Spain, Venezuela, Ukraine and Madagascar, while Tecno is popular in West and Central Africa. Oppo, Vivo and Huawei lead in Indonesia, Bhutan and Togo respectively.
RCS on android is similar, and when IOS 18 comes out of beta it’ll finally support RCS which basically solves this completely. Uses wifi or data, sms fallback, works cross platform, and allows for high quality pictures/video, read receipts and reactions