The "Iron Man 3 - JARVIS: A Second Screen Experience" app was a unique and ambitious product of its time. It represented an early attempt to bridge the gap between a major film release and a mobile device, offering a genuinely interactive and voice-driven way to engage with a movie after leaving the theater.

Download a "JARVIS voice" soundboard from the App Store and set the output to a custom text-to-speech voice. While it won't be Paul Bettany, you can get a very smooth British AI voice via iOS 18+’s Personal Voice or AI voice generators.

: The original app, which featured Paul Bettany's voice and interactive AI tools like alarms and weather, was fundamentally changed via updates. It now exists primarily as a Marvel hero/villain database rather than a virtual assistant.

Looking back, the official JARVIS app was a brilliant marketing tool that successfully bridged the gap between the cinematic world of Tony Stark and reality. It was a fun, if limited, piece of software that captured the imagination of fans.