Hively

On paid plans, you can specify which fields are required for Happy, Satisfied and Unhappy ratings. By default each of the Name, Email and Comment fields are optional for each rating type. To change this: Log in to Hively as an Administrator of your account. Select Fields from the main menu under Configuration. For the [...]

If you are on a Premium plan you have the option of whether you want to allow customers to leave you anonymous feedback. If you choose not to allow this, all customers will be required to complete some or all of the fields on the rating page prior to submitting feedback. For the standard field [...]