no compass on iPad?

Your iPad does include built-in fluxgate compass hardware - but does not include Apple’s Compass App. The iOS Compass App is, for reasons known only to Apple, exclusive to iPhone.

The are many third-party Compass Apps available from the Apple App Store. Some offer basic compass functions - others are significantly more sophisticated.

Don’t think it contain the hardware but you can let them know

https://www.apple.com/feedback/ipad.html

ipads also lack the activation and health app because of hardware sensors