You can create notes with lists, voice recordings, or images, in addition to plain text, and you can customize notes with different backgrounds to make them easier to identify at a glance.

Select "Yes" in the prompt. Schedule a Written Notification with Sticky Notes You can create a custom note in Sticky Notes and use Task Scheduler to launch this app at your specified time.

If you wish to change the look of your iPhone, this guide shows how to customize iPhone icons to get the look you want.