Google says that RCS messaging in the Messages app for Android has 500M+ MAUs, and implores all mobile OSes to “upgrade”, in a dig at Apple
Context & Ripple Effects
This milestone caps a three-year build-out: after rolling RCS out to all Android users in the US in late 2019, Google has grown the protocol inside its own Messages app to half a billion monthly users — and is now using that number as leverage, publicly telling every mobile OS vendor to 'upgrade' with Apple clearly the target.
The framing matters because it precedes the escalation to come: months later Google would launch the Get The Message campaign attacking SMS/MMS quality gaps like low-resolution media and missing encryption, and by late 2023 the same metric would double past 1B MAUs. This post is where the pressure strategy gets its quantitative ammunition.
First-order effects
- Apple faces its first explicit, numbers-backed public callout on messaging: Google is arguing that iMessage's refusal of RCS degrades conversations between iPhone and Android users, turning a technical interop question into a consumer-facing grievance.
- For carriers and Android OEMs, Google's MAU figure validates RCS as a deployed reality rather than a spec — the default messaging app on most new Android devices now runs it at scale.
Second-order effects
- If Apple stays out while Google keeps publishing growth numbers, the burden of proof shifts: every green-bubble complaint now maps to a measurable installed base Google can cite, raising the cost of continued refusal ahead of any regulatory scrutiny of messaging interoperability.
- Rival messaging apps (WhatsApp, Telegram) watch a first-party protocol gain distribution they cannot match on Android defaults, pressuring them to differentiate on features RCS lacks — end-to-end encryption chief among them.
Third-order effects
- The pattern points toward messaging fragmenting along protocol lines rather than app lines: if RCS adoption keeps compounding through Android defaults, cross-platform texting could consolidate around carrier-grade standards, leaving Apple's walled garden as the outlier rather than the norm.
- Sustained public pressure campaigns backed by usage data are becoming Google's playbook for forcing interop concessions from Apple — a template likely to extend beyond messaging into other Apple-controlled boundaries.
The trend: Google is converting RCS from a carrier rollout into a scale-backed standard-setting campaign, using user-count milestones as leverage against Apple's iMessage exclusivity.