Submitted once per user

how i make to allows a kobo android application form to only be submitted once per user.

Welcome back to the community, @rahhal! Maybe you will need to provide the respondents with unique codes they will have to enter when filling up the form. Perhaps this could help you track the uniqueness of the respondents for your survey.

Thanks for your replay.
I want to share a form with 10 users.
Everyone can’t submit more than one

@rahhal, maybe this is something you wish for which has already been requested as a new feature:

You could VOTE for this feature to make it a reality in the future.