Apple’s secret test app shows Siri overhaul moving forward — why this matters for iPhone users

Ameer Hamza — author photo
Written by Ameer Hamza
Updated: October 1, 2025

Introduction

Apple has created an internal ChatGPT-style iPhone app — reportedly code-named Veritas — to help engineers test a long-planned overhaul of Siri. Bloomberg first reported the project, describing the app as an internal tool (not for public release) that helps Apple prototype a more conversational, LLM-style assistant.

Apple’s move reflects the company’s push to bring large-language model capabilities to iPhone features while keeping privacy and on-device processing central to its approach. The test app lets engineers trial new Siri behaviors, measure conversational accuracy and refine edge cases before any public rollout.

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What the internal app reveals

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  • Not a consumer app: Veritas is for internal testing only; Apple isn’t planning to ship the app to customers. Bloomberg’s reporting emphasized this is an engineering sandbox.
  • LLM-style workflows: The app packages parts of the in-development Siri into a chatbot format so teams can probe conversational strengths and failures more efficiently. This helps speed iterations on prompts, safety filters and context handling.
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Why iPhone users should care

If Apple successfully folds LLM capabilities into Siri, users could get a far more helpful assistant: better multi-turn conversations, improved understanding of photos and personal data, and smarter on-device actions (e.g., auto-editing photos, composing emails with context). But Apple faces a tradeoff: balancing capability with strict privacy controls and avoiding hallucinations common to generative models.

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Risks and timing

Major technical and policy hurdles remain. Apple has historically prioritized user privacy, and introducing LLM features requires rigorous vetting to prevent misinformation and data leaks. Bloomberg’s report suggests testing is active but does not give a public ship date — expect staged rollouts or limited Device Preview programs before a full release.

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Bottom line

Apple’s internal ChatGPT-style app is a strong signal the company is accelerating Siri’s transformation. For users, the promise is clearer, more capable voice assistance — but it will take careful testing to deliver usefulness without privacy or accuracy trade-offs. Keep an eye on developer previews and Apple’s WWDC/October events for formal announcements.

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Author note: I cross-checked Bloomberg and leading Apple outlets to avoid rumor inflation; this report focuses only on Apple’s internal testing and its implications.

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