Apple dropped iOS 27 at WWDC 2026, and two things dominate the release: a refined Liquid Glass interface and a Siri that finally works more like a real assistant. If you’ve been holding off on upgrading, here’s what you need to know before you decide.

  1. Siri Is Now a Standalone App

This is the biggest change in iOS 27. Siri no longer lives just as a voice prompt you summon and forget. It’s a dedicated app now, with a chat interface that looks like iMessage. You can scroll back through past conversations, search previous requests, and start new ones without losing context from before.

That persistent memory is genuinely useful. Ask Siri something today, come back tomorrow, and it still knows what you were talking about. It handles back-and-forth naturally without you having to repeat yourself every time.

Siri now lives primarily in the Dynamic Island. Swipe down from there to activate it. More accessible than before, less buried.

  1. Screen Awareness Changes How You Use It

Siri can see what’s on your screen and act on it. You’re reading an email with an address, and Siri can pull up directions without you copying anything. You’re browsing a recipe, and it can add ingredients to your shopping list. You don’t tell it where to look; it figures that out.

The cross-app feature goes further. Apple demoed Siri finding a dessert mentioned in a Messages thread, building a menu around it, and drafting a message to share with friends. That’s not a voice command; it’s closer to an AI running a small task for you. Whether that lands as helpful or intrusive depends on your tolerance for automation, but it works.

Responses now include bullet points and images, and Siri can pull from the web for more detailed answers. You can also swap Siri out for ChatGPT or Gemini if you prefer, both for general queries and for Writing Tools and Image Playground.

  1. Liquid Glass: Better, Not Different

Liquid Glass was introduced in iOS 26. iOS 27 doesn’t overhaul it; it tightens it. You now get precise control over the glass effect intensity and the frosted look through Settings → Display & Brightness → Liquid Glass. Two styles available: Clear (default) and Tinted.

App icons pick up extra refractive glass layers, which adds a subtle depth that didn’t exist before. The separation between glass layers is more pronounced, so elements feel less flat. If you found iOS 26’s version too heavy or too transparent, iOS 27 gives you sliders to fix that.

The interface isn’t going anywhere. Apple addressed the mixed early feedback with adjustments rather than a reversal.

  1. Performance Upgrades Worth Noting

Photos loads imported images 70% faster. Swiping between Home Screen pages is quicker. The CPU scheduler has been updated for better resource handling, which should help with battery and with heavier tasks running in the background.

These aren’t headline features, but day-to-day they matter more than most people expect. A phone that feels snappier to use is more pleasant even when nothing dramatic changed.

  1. Third-Party AI Choices

For the first time, you can set a third-party AI as your default for Writing Tools and Image Playground. ChatGPT and Gemini are the current options alongside Siri. This is a meaningful shift. Apple is treating AI as a layer you can configure, not just a built-in they control.

Siri itself runs on Apple Intelligence with what Apple calls next-generation Apple Foundation Models, though it relies on Google Gemini for some tasks behind the scenes.

Quick Verdict: iOS 27 is worth installing. The new Siri is the most genuinely useful upgrade Apple has shipped to the assistant in years. Screen awareness and cross-app synthesis aren’t perfect, but they move Siri from a search shortcut to something that can actually handle small tasks. Liquid Glass refinements are minor but welcome. Performance gains are real. If you’re on a compatible iPhone, update this fall.