With the Rydoo mobile app, you can add a guest attendee in your expense. For example, If the attendee does not have a Rydoo account, click the Add new guest to add the person in the expense.
Here are the steps to add the new guest attendee.
In the comment section, type in the '@' sign
Click the Add New Guest.
Search the name for the guest from the Contact List or Click Add sign (+) at the lower right side of the screen.
4. Fill in all the required Field, then click Save.
5. The name of the Guest will appear in the comment section.