The Skylight Mobile App is available in the Apple App store:
https://apps.apple.com/us/app/skylight-app/id1438779037
You can also search the App Store of “Skylight” and look for the Skylight icon:
Updating Skylight Mobile App
The Skylight Mobile App often receives updates for new features and bug fixes.
Keeping your Skylight Mobile App up to date is strongly recommended. If you have automatic updates enabled for apps on your mobile device, you'll get all of our latest feature releases and bug fixes. If you manually update apps on your mobile device, check Skylight Mobile App frequently for updates.
If you would like these updates to be automatically installed for you, look in iOS Settings for App Store preferences, and make sure App Updates is enabled.