Apple unveiled iOS 27 at WWDC 2026 on June 8. It’s in developer beta now, a public beta is expected in July, and the public release lands this fall alongside the new iPhones — running on iPhone 11 and later, though the most advanced AI features need newer hardware. Here’s what’s coming, and why this is one of the most consequential iOS releases in years for anyone building apps.

The headline: a rebuilt Siri

Siri has been rebuilt from the ground up. It now holds real back-and-forth conversations, understands what’s on your screen, searches across your messages, email and photos with personal context, pulls live information from the web, and takes actions across apps. There’s a new dedicated Siri app with conversation history synced over iCloud.

Under the hood, Apple’s next-generation Foundation Models were co-developed with Google using Gemini technology and run on-device and on Apple’s Private Cloud Compute — Apple is explicit that Google does not process user data. One caveat for European teams: the new Siri AI is delayed in the EU at launch because of the Digital Markets Act.

What else is new for users

  • Photos: AI “Reframe” (perspective) and “Extend” (aspect-fill) editing, plus a stronger Cleanup tool.
  • Safari: AI tab organization and a “Notify Me” feature that watches a page for changes.
  • Speed: Apple cites up to ~30% faster app launches, ~70% faster photo loading, and ~80% faster AirDrop.
  • Family: a redesigned Screen Time with “Time Allowances” and “Ask to Browse” — and open APIs so third-party apps can plug into the same guardrails.
  • Wallet & the small stuff: hotel room keys, Apple Cash bill-splitting, separate volume for alarms and timers, dual-camera FaceTime, and Markdown in Notes.

Why iOS 27 is a big deal for developers

The real story is the developer platform. Apple is making on-device and cloud AI dramatically more accessible:

  • Free Private Cloud Compute for developers with under 2 million first-time downloads — you can ship serious AI features with no server bill. For startups, that removes the biggest cost barrier.
  • Foundation Models framework gains image input and a unified Swift LanguageModel protocol — you can call Apple’s on-device model, Anthropic’s Claude, or Google’s Gemini through the same API and swap providers without rewriting.
  • Core AI, a new framework for running custom on-device models on Apple silicon.
  • Xcode 27 is Apple-silicon-only, ~30% smaller, and leans into agentic coding — agents can drive the simulator, run tests, localize, and fix crashes from Organizer.
  • App Intents is now the way to expose your app’s actions to Siri AI; SiriKit is on the way out, so plan to migrate.

What it means if you’re building an iOS app

Two things change immediately. First, AI features that used to require a backend and a cloud budget are now feasible to ship for free on Apple’s infrastructure — if you’ve been holding an AI idea, this is the moment. Second, the bar for polish and system integration is rising: apps that adopt App Intents and the refreshed design will feel native to the new Siri, while those that don’t will feel dated. Across the 200+ iOS apps we’ve shipped, releases like this reward the teams that move early.

Thinking about an iOS app — or want to add AI to an existing one? See what it costs, then tell us about your idea.

Based on Apple’s WWDC 2026 announcements and developer betas; final features and timing may change before the fall release.