Organize apps on Apple Watch Ultra
Rearrange your apps in grid view
On your Apple Watch Ultra, press the Digital Crown to go to the Home Screen.
If the screen is in list view, touch and hold the Home Screen, then tap Grid View. Or open the Settings app
on your Apple Watch Ultra, tap App View, then tap Grid View.Touch and hold an app, then tap Edit Apps.
Drag the app to a new location.
Press the Digital Crown when you’re done.
Or open the Apple Watch app on your iPhone, tap My Watch, tap App View, then tap Arrangement. Touch and hold an app icon, then drag it to a new location.
Note: In list view, apps are always arranged in alphabetical order.
Remove an app from Apple Watch Ultra
Touch and hold the Home Screen, tap Edit Apps, then tap the X to remove the app from your Apple Watch Ultra. It remains on your paired iPhone, unless you delete it there, too.
In list view, you can also swipe the app left, then tap 
to remove it from your Apple Watch Ultra.
If you remove an app from your iPhone, that app is also deleted from your Apple Watch Ultra. If you want to restore an app, including built-in Apple apps, you can download it from the App Store on your iPhone or Apple Watch Ultra.
Note: Not all apps can be removed from your Apple Watch Ultra.
Adjust app settings
Open the Apple Watch app on your iPhone.
Tap My Watch, then scroll down to see apps you installed.
Tap an app to change its settings.
Some restrictions you set on your iPhone in Settings > Screen Time > Content & Privacy Restrictions affect your Apple Watch Ultra also. For example, if you disable Camera on your iPhone, the Camera Remote icon is removed from the Apple Watch Ultra Home Screen.
Check storage used by apps
You can learn how the storage space is being used on your Apple Watch Ultra—the total amount of storage used, the amount remaining, and how much storage each app uses.
Open the Settings app
on your Apple Watch Ultra.Go to General > Storage.
You can also open the Apple Watch app on your iPhone, tap My Watch, then go to General > Storage.