This is likely to be an iOS issue, SkyDemon simply receives GPS information from your tablet. Check that you've given SkyDemon the required permissions to receive location updates and try restarting the device.

Used SD today for the first time in about 2 months. Worked fine on my iPhone but GPS wasn’t working on my ipad 3 (using v 3.13.4.222). May be further complicated by changing my Apple ID since last used and doesn’t seem to have worked on iPad. Anyone else experience any issues today?