For the first time Adobe is bringing its fonts in its Creative Cloud app. Your device needs iOS 13.1 or later as that release supports custom font APIs.
If you already have a Creative Cloud subscription, you’ll have the same access as you do on your desktop to over 17,000 fonts from type foundries around the world. Users without a subscription but with an Adobe ID have access to 1,300 fonts included within the app for use on iOS13.1-compatible devices. Any fonts installed in Creative Cloud mobile are automatically activated across all your devices.
Check It Out: Adobe Creative Cloud App Brings Fonts to iOS 13.1