Symptom: When trying to delete Tyto App the icon wiggles, but does not give you the "X" button to delete.

Possible Cause: Restrictions for Deleting Apps is Enabled. 

Suggested Solution:

Check if you have restrictions set for deleting apps.

Settings > Screen Time > Content & Privacy Restrictions > iTunes and App Store Purchases > Deleting Apps (select Allow)

You need to enabled Content & Privacy Restrictions to make changes.