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Tom’s Guide
Tom’s Guide
Technology
Philip Michaels

Blue-green bubble divide — the state of iOS and Android messaging and how it’s about to change

Google Messages on Android phone next to Messages app on iPhone.

History is marked by great divides: The House of York and the House of Lancaster. The Hatfields and the McCoys. And, if you've ever tried to send text messages between an iPhone and Android device, the blue bubbles and the green ones.

As someone who primarily uses an iPhone for his texting needs, I've never really given the blue-green divide much thought. When I text my fellow iPhone-toting friends, everything shows up just fine — images look good, emoticons are faithfully rendered, we can even send each other animated confetti an balloons on appropriate occasions.

This does happen with my text messages to Android phones. The photos don't look nearly as sharp and forget about extra features working the way they're supposed to.

What we have here are dueling messaging standards. Apple uses its own in-house iMessage platform, which is why the iPhone-to-iPhone experience is so seamless. Android devices are using RCS, or Rich Communication Services. And while that's meant a better experience than the old SMS/MMS platforms when Android users text each other, cross-platforming message between default texting apps still leaves plenty to be desired.

Things should change somewhat later this year. Apple has already announced plans to bring RCS support to the iPhone at some point in 2024, and most expect that to be part of this year's iOS 18 update. With iOS 18 set to receive a preview at WWDC 2024 in June, we could get our first glance at what a Messages app with RCS support might look like. The trouble is, it's unlikely to address all the issues Android and iPhone texters have run into over the years.

Here's a rundown of how we got here and what the future of messaging holds.

What is RCS?

(Image credit: Future)

RCS was developed as a messaging platform to replacing the aging SMS and MMS standards, which had grown unable to support some of the more sophisticated features that texters were demanding. RCS went live on Android phones in 2019, promising an experience that was more like Apple's iMessage platform. That meant text and images were sent simultaneously over a data connection alongside extra features you probably now take for granted like typing indicators and read receipts. Google added end-to-end encryption for beta users at the end of 2022 before rolling out to everyone in 2023.

Well, not everyone. Apple steadfastly refused to join the RCS party, preferring its own iMessages approach, which brings us to where we are now — blue bubbles and green bubbles and subpar media quality, with very little cross-platform functionality.

Why doesn't Apple support RCS?

You'd have to ask Apple that question. When CEO Tim Cook was asked at a tech event in 2022 why Apple didn't add RCS support, he suggested that Apple's customer base hadn't requested the feature. Pressed by a reporter who noted that he and his Android-using mother had a hard time texting photos to one another, Cook's advice was to "buy your mom an iPhone."

That may get closer to Apple's real motivation for sticking to its own messaging platform. iMessage has proven very popular, and Apple likely sees it as a distinguishing feature for its iPhones. That would certainly explain why the different colors for message bubbles — Apple wants to make it very clear what device can expect the better texting experience.

To that end, the blue and green bubbles of Apple's messaging app have become something of a status symbol, according to some media reports. For example, a 2023 New York Times column noted that school-age kids are particularly sensitive to who's a blue bubble and who's been saddled with green.

But Apple is going to support RCS going forward?

(Image credit: Shutterstock)

Indeed. In late 2023, Apple confirmed plans to add RCS support at some point in 2024. ""We believe RCS Universal Profile will offer a better interoperability experience when compared to SMS or MMS," Apple said in a statement. "This will work alongside iMessage, which will continue to be the best and most secure messaging experience for Apple users."

That's another way of saying that iMessage isn't going to go anywhere. RCS support is being added alongside iMessage merely as a way of improving inter-platform texting.

Why did Apple change its tune about RCS?

There's no official word beyond Apple's statement from last November. But if we were to read between the lines, we would paraphrase Sesame Street and conclue that this change is being brought to you by the letters "E" and "U" — as in the European Union regulators that have been pressuring Apple to comply with the Digital Markets Act.

Already, Apple has added USB-C to the iPhone 15 lineup ahead of an EU edict that required universal standards on phones. iOS 17.4 added the ability to access third-party app stores, at least in countries that are part of the EU to comply with the Digital Markets Act.

That said, in February, the European Commission announced that it would not designate iMessage as a "core platform service," a move that would have opened iMessage up to further regulations. That decision came just two months after Apple's announcement about adding RCS support — more proof that in business as in comedy, timing is everything. 

So the green and blue bubbles will be no more?

No. They're not going anywhere. Apple has already said as much.

So what is going to change once Apple's Messages app supports RCS?

(Image credit: Future)

That's somewhat hard to say until we see the RCS implementation in action, but it's widely believed that the texting experience between Android and iOS devices will be better, if not exactly seamless. Features like read receipts, typing indicators, location sharing and reactions will likely be supported; the animated reactions and live stickers that iMessage users enjoy likely won't be.

According to TechRadar, Apple has no plans to support the proprietary extensions Google added to bring encryption to its flavor of RCS. Instead, Apple is apparently looking to work with the GSM Association, a mobile trade industry group, to bring encryption to the standard version of RCS.

When is this going to happen?

(Image credit: Shutterstock)

As noted at the start, Apple typically previews the year's big software releases at its Worldwide Developers Conference (WWDC). At that event, it releases betas of the software so developers can see how the new features work and update their apps accordingly. A few weeks after WWDC, Apple releases public betas that let the rest of us try things out. (Or at least the rest of us who don't mind installing potentially buggy beta software on our Apple devices.)

This year's WWDC gets started on June 10, and iOS 18 will almost certainly be a focus of Apple's opening keynote. We'd anticipate the public beta reaching would-be testers by the end of the month, with a full version of the update ready in the fall just before the release of the new iPhone 16 line.

One word of caution about the beta, besides the fact that it may contain show-stopping bugs: not every feature appears at once, as Apple updates its betas frequently throughout the summer. That means even after an iOS 18 beta lands, RCS support might not appear until later in the process.

Is there anything I can do between now and then?

If you're an Android user, you can try out the Custom Bubbles feature that's been added to Google Messenger. It lets you color-code your chat bubbles, assigning blue to your cross-platform chats at long last.

Yes, this is purely a cosmetic change for your eyes only. But at least it's something.

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