Apple Opens Siri AI to Third-Party Developers via New 'App Skills' in iOS 27.3

Key points

• Apple introduced 'app skills' for third-party developers, allowing them to define complex workflows and intents for Siri AI.
• The update is available in the iOS 27.3, macOS 27.3, and aligned platform developer betas.
• Siri can now perform multi-step actions, such as finding content in one app and sending it via another, based on user context.
• Users no longer need to specify the app name if the app is in the foreground or has an active Live Activity.
• Apple has also rolled out expanded Siri AI capabilities across its own native applications, including Calendar, Files, and Mail.

Background

This development follows Apple's initial launch of Siri AI with iOS 27, which focused on stability and native app integration. Previous updates, such as iOS 27.2, introduced 'Suggested Actions' in Messages and expanded language support. The new 'app skills' framework represents a significant shift from the limited schema-based integrations of the early Siri AI releases, aligning Apple's assistant more closely with the capabilities of other large language model-driven systems. This move also comes as competitors, such as Google, have been exploring AI-generated app deployment models, though Apple's approach remains focused on developer-defined skills within existing apps.

How outlets are covering it

9to5Mac emphasizes the technical shift from limited schemas to a flexible 'app skills' framework, highlighting how this allows apps to map complex intents, such as flight tracking or cross-app data transfer. The Verge focuses on the practical implications for users, noting that Siri can now leverage personal context and on-screen awareness to complete requests without explicit app naming, particularly during Live Activities. Engadget provides a broader context of iOS 27's stability improvements and other AI features, such as natural language shortcut creation, while acknowledging that third-party support is still evolving. Gear Patrol highlights related AI features in iOS 27.2, such as 'Suggested Actions' in Messages, which complement the new Siri capabilities by automating tasks based on conversation content. While all sources agree on the expansion of Siri's capabilities, 9to5Mac and The Verge focus on the developer and user experience of the new framework, whereas Engadget and Gear Patrol situate these changes within the broader landscape of iOS 27's AI integration and stability updates.

Why it matters

The introduction of 'app skills' marks a pivotal moment for Apple's AI strategy, moving Siri from a rigid, schema-based assistant to a flexible, context-aware system capable of handling complex, multi-step tasks. By opening this framework to third-party developers, Apple aims to create a more integrated and intelligent ecosystem, where apps can seamlessly interact with Siri and each other. This could significantly enhance user productivity and convenience, as Siri becomes better at understanding and executing nuanced requests. Additionally, this move positions Apple to compete more effectively with other AI-driven assistants, potentially influencing how developers design and integrate their apps with voice and AI technologies in the future.

What to watch

Apple is expected to release the public version of iOS 27.3, macOS 27.3, and aligned platform updates in the coming months, following the current developer beta phase. Developers will likely begin experimenting with the new 'app skills' framework, potentially leading to a wave of updated apps that leverage Siri's enhanced capabilities. Users can anticipate more sophisticated Siri interactions, including better cross-app coordination and contextual understanding. Apple may also expand the language support and integration depth of Siri AI in subsequent updates, further refining the assistant's performance and utility. The success of this initiative will depend on developer adoption and the quality of the 'app skills' created, which could define the next generation of AI-driven mobile experiences.