While we do not officially support label printing from iPhones, we have found a workaround that can be used in most cases. We have heard your feedback around label printing from phones and are looking to implement this feature in the future.
Go to the Spriggy Schools website on your iPhone. Do not use the Spriggy Schools mobile app to print labels.
Click Print Labels
Select Recess, Lunch or Event

Click the blue Print button

You will now see a page with all of the labels on the screen.
Click the Share button

Click Print

Select your AirPrint enabled printer
Click Print