The short version: in 2026, texting between an iPhone and an Android phone finally feels like one conversation instead of two. Read receipts, typing indicators, high-resolution photos, and group chats now cross the platform line, and with iOS 26.5 those messages can be end-to-end encrypted by default. The green bubble versus blue bubble standoff that defined a decade of group chats is mostly over. What hasn't changed is the deeper problem: a personal text thread is still a bad place to run a paid project.
If you send invoices, contracts, and revisions to clients over your phone, this matters to you. Not because RCS fixes how you work, but because it removes the last excuse for treating a text message like a contract. Here is what actually shipped, what is still broken, and where the line sits between "great for chatting" and "fine for business."
What RCS actually is, in plain terms
RCS stands for Rich Communication Services. It is the carrier-backed successor to SMS and MMS, run as an open standard by the GSMA, the trade body for mobile operators. Think of it as the upgrade your text app needed twenty years ago: bigger files, typing dots, read receipts, reactions, and proper group chats, all over your data connection instead of the ancient SMS pipe.
Android phones have had it for years through Google Messages. The thing that changed everything was Apple. In September 2024, Apple shipped RCS support in iOS 18, which added read receipts, typing indicators, high-resolution photos and videos, voice memos, named group chats, and reactions when an iPhone texts an Android phone (according to Sinch). Before that, an iPhone talking to an Android phone fell back to SMS, which is why your photos arrived as blurry postage stamps and your group chats turned into chaos the moment one green bubble joined.
The scale is hard to ignore now. By May 2025, Google said more than a billion RCS messages were being sent every day in the United States alone (according to 9to5Google). One industry forecast, citing Juniper Research, expects RCS to reach roughly 3.8 billion active users by the end of 2026, helped along by Apple's adoption (according to ). For a standard that spent a decade as a footnote, that is a real shift.