This feature is included in all plans.
When you want to receive a notification every time the survey was completed, you can turn on Email notifications. Enter your email address and the email address of colleagues who need to receive the emails as well.
Log in and head to the Extra Options tab.
Scroll down to Other options and click Email notifications.
Now you can activate the feature to send email notifications. When it's turned on, you'll be able to type in the email addresses. Click Apply when you're finished.
Here's how the email will appear: