Good evening Steven and welcome to the Events Calendar forum!
Thank you for your interest in our products.
We’ll be glad to answer your questions.
Is it correct that, if I would like to have the filter options as shown here: http://wpshindig.com, I also have to buy the Filter Bar? Or is that one included in the pro version?
That is correct. The Events Calendar Pro and Filter Bar are 2 separate premium add-ons to the Events Calendar.
In fact we need the pro version, the filter bar and the ability of user-submitted events. That means 3 times at least $89,00, correct?
Yes, that is correct. You will likely need to grab a copy of Community Events as well: https://theeventscalendar.com/product/wordpress-community-events/
You are right. There is unfortunately no bundle that matches that exact combination at this time.
But the good news is that these purchases will provide you with awesome premium support to help you make sure that everything runs smoothly for your client.
Let me know if that helps.
Have a great day!
Geoff B.