Siri’s Getting a Red Pen: AI Grammar Checker and Custom Wallpapers Leaked for iOS 27

With only 19 days to go until Apple’s Worldwide Developers Conference (WWDC) keynote on June 8, new reports on what we can expect when it unveils iOS 27 have been coming in rapid-fire, running the gamut from long-awaited Siri improvements to custom passes in Apple Wallet.

Now, Bloomberg’s Mark Gurman is back with some more iOS 27 leaks. Earlier this week, Gurman shared how Apple’s AI improvements will encompass far more than Siri, with several other core features expected to gain new Apple Intelligence features.

Last month, Gurman reported on Apple’s plans to bring generative AI editing to the Photos app and Siri-powered visual intelligence to the Camera, but it looks like Apple has more in mind than just graphics. In his latest report, Gurman highlights other coming improvements to Writing Tools, Shortcuts, and even custom wallpaper generation.

Writing Tools Takes on Grammarly

Writing Tools was one of the first AI features to show up when Apple Intelligence debuted in iOS 18.1, but while the feature seemed impressive during Apple’s demos — as they always do — the reality was much more limiting. While the new tools could handle simple proofreading and rewriting, they paled in comparison to what rivals like ChatGPT could do, not to mention more focused services like Grammarly, which has been adopting its own AI models.

The good news for anyone looking to get away from third-party services is that Apple reportedly plans to take on Grammarly itself with a more sophisticated AI-powered grammar checker that will be built into iOS 27, iPadOS 27, and macOS 27 at the system level — much the same way Writing Tools is now.

Perhaps the biggest benefit is that Apple plans to actually make this work like a grammar checker. While the proofreading capabilities of the original Writing Tools weren’t too bad, they suffered from being an “all-or-nothing” solution. Apple Intelligence would simply rewrite your entire text without providing any indications of what it had done to it. You were forced to either accept it as-is or do a manual comparison on your own before pasting it back into your document.

According to Gurman, Apple’s new Writing Tools will flag sections of text, allowing users to accept suggestions individually or navigate between those sections to see what it wants to change.

Apple also reportedly plans to bring the Writing Tools out from the background, likely as part of its new Siri enhancements. While Apple baked a ChatGPT extension into the tools in iOS 18.2, it obviously didn’t want to advertise this too prominently. However, with Siri expected to grow up in iOS 27, Apple is testing a new “Write with Siri” toggle that will appear at the top of the keyboard, along with a “Help Me Write” option that appears if users activate Siri while working in a text field.

‘Vibe-Coded’ Shortcuts

While Apple’s Shortcuts app is already pretty easy to use, allowing folks to visually string together instructions as building blocks to create handy automations on their iPhone, iPad, and Mac, Gurman says Apple is planning to bake Apple Intelligence into the tool, allowing users to create a new shortcut simply by describing what they want it to do.

This is something Apple has reportedly been working on for some time, with some reports suggesting it wanted to launch it in iOS 26 last year. However, its language models likely weren’t up to the task at the time.

AI-Generated Wallpapers

Lastly, Gurman says Apple is planning to link the wallpaper picker in iOS 27 and iPadOS 27 into Image Playground, allowing users to create custom backgrounds for their Lock Screen and Home Screen.

That will match what Google and Samsung already offer on their smartphones, and it’s actually kind of surprising Apple hasn’t already addressed this. After all, Image Playground came along in iOS 18.2, and it’s certainly shown itself more than capable for abstract image generation. Plus, Apple has already tied other apps into it, from Apple Invites to Pixelmator Pro, so the ability to generate custom wallpapers on the fly is actually long overdue.

[The information provided in this article has NOT been confirmed by Apple and may be speculation. Provided details may not be factual. Take all rumors, tech or otherwise, with a grain of salt.]