I need to make a survey-type app, that can take the user’s GPS position, that doesn’t have a login, but that takes the user’s email to identify who the data comes from, without being registered or restricted, but that anyone can Download the app and save data with your email and your position.
But the Publisher plan doesn’t let me use USEREMAIL () to get the mail from the user that enters, and in the Premium Plan, I have to have a list of users, and if I remove “require user signin”, I should pay for each user that completes the survey, the cost being unpredictable. How should I do?
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