Apple is set to unleash iOS 27 at its WWDC keynote on Monday, June 8, when the first developer beta becomes available for download. The same event will reveal iPadOS 27, macOS 27 and other software updates, giving enthusiasts a chance to test new features weeks before the official rollout on a wide range of Apple devices.

Developers and power users can grab the beta at no cost; Apple opened developer builds to anyone with a free Apple ID years ago. A public beta is slated for July, following the usual cadence of multiple developer releases that iron out bugs. Early adopters accept instability, while most users wait for the more polished public preview.

iOS 27 will ship to the general public in September, aligning with Apple’s annual OS schedule. The beta windows give developers time to adapt apps to new APIs and UI changes, which can affect App Store rankings and user experience. Consumers who skip beta testing avoid potential crashes but miss the chance to influence final refinements.

Anyone eager to dive in can enroll through the Settings app on iOS 27‑compatible iPhones today, while those preferring stability should hold out for the July public beta or the September official release. The staggered rollout ensures both feedback loops for Apple and a clear upgrade path for end users.