FlexReturn Return Center

I have been struggling to get support to help me resolve the 500
Server Error issue to use the app. They have stopped replying to me

Terrible app and terrible support. If a customer buys more than one item and wants to return multiple of the same for exchange, the app doesn't allow it. It forces the customer to exchange with multiples of one item. We have told you about it before and you do nothing. Your support staff requests access to our store, but when we give it to you, you do nothing and never contact us again. We have a customer complaint today because of this and are now having to stop our holiday work and find another app to do what your app should already be doing.

I asked if Swedish was an available language and got the answer yes, but when I installed the app the translation into Swedish was extremely poor with at least 50% of the translations being totally wrong. I could enter my own translations but this takes time and when I finally did not all of them was even showing front-end. I contacted customer service but got no help. Also the app had other bugs such as showing AUD instead of SEK all of a sudden. Maybe the app would perform if all the language issues / bugs would have been solved however I lost my patience after almost 3 weeks of trying to get help.

NOPE. Do not do it. Awful. I spent an hour setting everything up and then had to create an order to test it (because there's no way to test it without creating an actual order). It let me select an item I had marked as "final sale" even though I'd listed that category as 'forbidden' in the return app. So it shoudn't have been allowed to be returned. It also let me select an out-of-stock item to exchange it for which is a huge headache both for the customer and for the store. It was also showing Australian currency and I looked everywhere for how to change that and couldn't find it. It's also really buggy-- in the return section, it was showing me duplicates of the item I was trying to get in the exchange which would've been so confusing for customers. And if you've already "returned" and item in your order and go to return something else at a different time, it just shows you the item you originally requested to return. The button to go back was very hard to find and I know it would frustrate my customers. All in all, I love the idea of this app but there is SO much more to work out. And so many confusing parts of the setup (i.e. you're "required" to add a menu item in the return portal even though they give you no idea where that menu item will go, what it's supposed to contain, etc.) I'm deleting the app and going back to my good old google form for returns.