Even if you previously downloaded it, the app is incompatible with modern iOS versions (it was built for 32-bit architecture and broke after major iOS updates).
If you're looking to download a JARVIS-inspired app for iOS: iron man 3 - jarvis app ios download
The app was a high-tech utility released on September 10, 2013, to coincide with the film's Blu-ray launch. While it was once the ultimate fan experience, it has since been discontinued and largely removed from the App Store. Current Availability & Download Status Even if you previously downloaded it, the app