Built‑In Grammar Checking Comes to Messages and Mail
Apple is moving grammar checking from the app store into the operating system itself. In the next major iOS release, an Apple grammar checker and broader iOS 27 writing tools will be integrated directly into core apps like Messages and Mail. Instead of copying text into a separate app, users will see suggested revisions inline, with options to accept all, accept individually, or reject them. This mirrors familiar Grammarly workflows, but without leaving the conversation or email draft. The new Writing Tools feature is designed to catch embarrassing typos and awkward phrasing before texts and work emails are sent, effectively turning the default keyboard and system apps into an always‑on AI writing assistant. By embedding these capabilities at the system level, Apple is laying the groundwork for more consistent, context‑aware AI writing assistance across everyday communication on the iPhone.
How Apple’s AI Writing Assistance Compares to Grammarly
Functionally, Apple’s upcoming AI writing assistance overlaps heavily with what Grammarly offers on iPhone. Both promise grammar and style suggestions, cleaner sentences, and protection against embarrassing mistakes. But Apple’s approach is deeply native: Writing Tools are built into the keyboard and system apps, and a Grammarly alternative iPhone users can access without juggling multiple extensions or permissions. Apple is also tying this to Siri, with a Grammarly‑like revision interface and a “Write With Siri” experience for generating emails, texts, and longer passages. While Grammarly still leads on cross‑platform support and advanced tone analysis, Apple’s tight integration may be enough for many casual and professional users who mainly need clear, correct writing within Messages, Mail, and other iOS apps. The convenience of one-tap corrections inside the default interface is Apple’s key differentiator.
What This Means for Third‑Party Writing Apps
System‑level iOS 27 writing tools could reshape the market for grammar and writing apps on iPhone. When capable editing and AI text generation are available out of the box, many users may see less need for standalone subscriptions or extra downloads. Basic use cases—polishing a text to a manager, cleaning up a sales email, or fixing grammar in a note—will likely be fully handled by Apple’s built‑in tools. That said, third‑party apps like Grammarly can still differentiate through deeper analytics, cross‑device workflows, and support for platforms Apple does not control. They may pivot toward premium business features, specialized compliance checks, or team‑level writing dashboards. Apple’s move doesn’t eliminate the market, but it raises the baseline of what users expect for free, forcing competitors to move further upmarket or specialize.
Part of Apple’s Bigger AI Push Inside iOS
The Apple grammar checker is only one piece of a wider AI strategy. Reports indicate Apple is turning Siri into a more chatbot‑like assistant, backed by powerful large language models and capable of handling multi‑step requests. Writing Tools live alongside features such as “Write With Siri,” AI‑generated wallpapers, and the ability to create custom Shortcuts with natural‑language prompts. Together, these changes suggest Apple wants AI to disappear into everyday actions: drafting a message, tweaking phrasing, or automating a routine. Apple also appears focused on privacy, reportedly letting users control how long Siri retains conversation history and exploring flexible choices of underlying AI models. For users, the result is subtle but significant: more intelligent behavior inside familiar apps rather than a separate, flashy AI destination—and writing assistance is becoming one of the most visible benefits.
The User Upside: No Extra Apps, No Extra Friction
For millions of iPhone owners, the most immediate benefit of Apple’s AI writing assistance is simplicity. There is no need to hunt for a Grammarly alternative iPhone app, manage logins, or juggle trial periods and recurring subscriptions just to reduce typos. Instead, the iOS 27 writing tools are available the moment the device is updated, integrated into the keyboard, Messages, Mail, and potentially other Apple apps over time. This lowers the barrier to better writing for users who might never install a dedicated tool but still worry about sending sloppy texts or error‑filled work emails. It also creates a more consistent experience across the system: the same suggestions and interface, wherever you type. As AI becomes a default part of typing on iPhone, writing assistance shifts from a niche add‑on to a standard feature everyone can rely on.