Drop-in UI is one of Braintree’s options that can be used to create payment User Interface. Drop-in UI allows easily to create a pre-formatted form and integrate it into an app or a website. The checkout Drop-in form can be customized in terms of design and supported payment methods.
But you can also do the same through Jotform, after you connect Braintree to your form. You can offer advanced UI for your customers. To get started with collecting Braintree payments, please visit the link referred.