In the latest version (v1.2.11) of the Zoho Sprints iOS mobile app, we have brought in the below enhancements.
Clone item inside the Item details module is now supported.
New timesheet settings added in the web app (sprints.zoho.com) is now handled in the mobile app.
Client & vendor users supported in all picklist for all users.
Do try out the app and share your feedback in the comments section!