The Zoho Assist Software Development Kit (SDK) for iOS will help you build a custom app with the features and functionalities your customers need to join a session in Zoho Assist to share their screens. The design of the app UI can be based on your requirements and style guidelines, while the back-end of the app can be powered with the SDK.
The software development kit is a fully swiftified project. You can also use this project in Objective-C projects.
Go through the documentation to get started.