Yes!
Adding our widget is simple:

1. Long press on your iPhone's home screen
2. Tap the "+" button in top left corner
3. Find and tap on the Opal widget
4. Tap the "App Widget" button to place Opal on your homescreen

Opal also supports Lock Screen widgets.

1. Long press on your iPhone's lock screen
2. Tap "Customize"
3. Tap "+ Add Widget" or tap and hold on existing widgets
4. Scroll down and Select Opal.
5. Drag and drop the widget size you prefer to your Lock Screen.
6. Tap "Done" when finished.