Floating Timer features both a countdown timer and stopwatch that will float over other apps.

Can be dragged / moved around.
Click to start / pause / reset
Drag to trash to exit

Anti-Features:
NonFreeComp (the application includes non-free components):
⇒ contains Google BillingClient and Firebase libraries
NonFreeNet (this application promotes/depends a non-Free network service):
⇒ contacts Google servers (billing, Firebase)