Speech Central Is Ready for Siri AI with Apple Intelligence App Schemas

Which third-party apps are compatible with Siri AI? Speech Central is among the early apps to implement Apple’s new App Intents schemas—the technology that enables Siri AI to understand supported app content and actions through natural language.

Speech Central currently implements Apple’s system-defined audiobook schemas for both discovering reading items and playing them:

  • .books.audiobook for audiobook entities
  • .books.playAudiobook for audiobook playback actions

This is not merely legacy SiriKit support or a set of predefined Siri commands. Speech Central describes its content and playback capabilities using the standard schemas that Apple Intelligence and Siri AI understand.

What Makes an App Compatible with Siri AI?

Apple’s App Intents documentation describes schemas as a contract between an app and the system. Apple Intelligence uses them to identify, query, and understand app content and actions. Siri AI can then match that information to phrases people use in everyday conversation.

In practical terms, Speech Central does not need to anticipate and manually define every exact phrase a person might use. It exposes a recognized audiobook entity and a recognized play-audiobook action. Siri AI provides the natural-language understanding that connects a user’s request with those capabilities.

This is an important difference from the old Siri experience. Earlier versions of Siri frequently required users to remember a particular command structure. The new Siri AI experience is designed to understand more varied and conversational requests.

Prepared During the iOS 26 Development Cycle

Apple introduced the relevant App Intents schemas during the iOS 26 development cycle, when the new Siri experience was initially expected to arrive. Speech Central implemented the new schemas during that cycle rather than waiting for the assistant itself to become available.

The complete Siri AI experience ultimately materialized with iOS 27. At the time of writing, iOS 27 is in beta and its public release is expected in September 2026.

As with many previous Apple platform advances, Speech Central has moved early to implement the underlying technology. This means that the app is already prepared to work with Siri AI as the new assistant becomes available to users.

What Siri AI Can Understand in Speech Central

Speech Central exposes supported reading items as audiobook entities using Apple’s standard .books.audiobook schema. Each entity provides Siri AI with the information currently needed to identify it:

  • the item’s title;
  • the item’s author; and
  • whether the item is currently being read.

For web articles, Speech Central uses the website’s domain as the author. This allows a saved web article to be identified not only by its title, but also by the website from which it originated.

For example, natural-language requests may refer to:

  • an item by its title;
  • an audiobook or document by its author;
  • a web article by its website domain;
  • the item currently being read; or
  • a combination of title and author information.

Because Siri AI is responsible for interpreting natural language, people should not be restricted to one exact command. Depending on the available Siri AI version, language and context, requests could take forms such as:

  • “Play [title] in Speech Central.”
  • “Play the item by [author] in Speech Central.”
  • “Play the article from [website domain] in Speech Central.”
  • “Continue what I am reading in Speech Central.”
  • “Resume my current item in Speech Central.”

These examples illustrate the kinds of references supported by the information Speech Central makes available. The precise language Siri AI recognizes may evolve as Apple develops its natural-language models.

From Commands to Semantic Understanding

The main advance is not simply that Siri can start playback. Speech Central already supported automation before Siri AI.

The important change is that Siri AI can work with a semantic representation of the app’s content. It can understand that a Speech Central library item represents an audiobook entity, examine the entity’s title and author, and connect it with the standardized action for playing an audiobook.

In other words, Speech Central does not merely expose a command to Siri. It describes what its content is and what can be done with it using Apple’s shared vocabulary.

That common vocabulary gives Siri AI a stronger basis for understanding varied requests than an app-specific command with a fixed invocation phrase.

Existing Spotlight Integration Provides the Foundation

App content indexing is not new to Speech Central. Items in the Speech Central library have been indexed by Spotlight since the first version of Speech Central for iOS, released almost ten years ago.

That long-standing integration already made individual library items discoverable through Apple’s system search. The new audiobook entity schema builds on this foundation by giving Apple Intelligence and Siri AI a standardized description of the indexed content.

Speech Central also identifies the item currently being read. This provides the system with the information needed to resolve contextual references to the current item, subject to the capabilities of the installed Siri AI version.

Why RSS Feeds Are Currently Excluded

RSS feed content is intentionally excluded from the current Siri AI audiobook integration.

Apple’s available audiobook schema does not provide a separate entity type that would allow Siri AI to distinguish RSS feed entries cleanly from books, documents and individually saved web articles. Mixing all of these items into the same entity collection could reduce the quality of search results and natural-language matching.

Speech Central therefore currently exposes supported library content while keeping RSS feed items separate. Additional content types may become suitable for Siri AI integration if Apple introduces more granular schemas in the future.

Siri AI and Automation Use the Same Foundation

The same App Intents can continue to work on older operating-system versions, where they are more likely to be used through automation and Apple’s Shortcuts app. Legacy Siri has less capable language understanding and may have difficulty determining the intended action from an unconstrained natural-language request.

Siri AI changes the interaction model. Instead of requiring a person to build an automation or remember a rigid command, the assistant can use the standardized action and entity schemas to interpret a natural request.

For more information about existing Speech Central automation features, see Automate Web Article Text-to-Speech Using iOS Shortcuts.

Available Across Apple Platforms

Speech Central’s App Intents integration works across Apple’s operating systems, including iOS, macOS and watchOS. Automation and Siri AI availability depend on the capabilities provided by the corresponding operating-system version and device.

This shared implementation allows supported Speech Central actions and entities to participate in relevant system experiences across iPhone, iPad, Mac and Apple Watch.

An Early Siri AI–Capable Text-to-Speech App

Speech Central has a long history of implementing new Apple platform technologies early. Its adoption of Spotlight indexing nearly a decade ago made reading items discoverable outside the app. Its Shortcuts and App Intents support made sophisticated text-to-speech automation possible. Its implementation of the WWDC 2026 App Intents schemas now prepares those capabilities for natural-language interaction through Apple Intelligence and Siri AI.

For people searching for Siri AI–compatible apps, Apple Intelligence–compatible apps or third-party apps that work with the new Siri experience, the important distinction is not whether an app once supported SiriKit. It is whether the app exposes its current content and actions through the new schemas that Siri AI understands.

Speech Central currently does this through Apple’s audiobook entity and playback schemas, giving Siri AI a standardized way to identify supported reading items by title and author and to begin their playback.

Download Speech Central

Speech Central is available for iPhone and iPad through the iOS App Store:

Download Speech Central for iOS and iPadOS

Speech Central is also available as a native Mac app:

Download Speech Central for macOS

Support for Siri AI requires a compatible device and an operating-system version that includes the new Siri AI experience. At the time of publication, iOS 27 and the corresponding Apple operating-system releases remain in beta.