Apple user here: Shortcuts.
Being able to design lil applettes that take a click or two out of doing a task is a lifesaver.
For instance, going into the clock app and setting a timer is at least a 9-step process (starting from unlocking your device). I made a shortcut to make it a 5-step process.
When I’m trying to hold something in short term memory (especially during a conversation), it’s a struggle
The blue arm is what got me