Shuttle ‑ Sync with Etsy

I'm giving this app 2 stars. The customer service is practically non-existent—I've been reaching out for 6 days and still haven’t received a reply. Additionally, when importing products from Etsy, the app often fails to import them correctly, creating a separate listing instead. It also doesn’t import the cost per item, which is causing major issues for me. I’m now showing over 10k in sales but ...

Good idea - BAD implementation.
Destroyed my ETSY shop. All I wanted is to copy ETSY to Shopify. now both not working. No way back, have to manually fix all items. BAD!!! and no reply from developer.

I have no idea why I'm paying for this when I can't even use it because of a error message. I would like to transfer this weekend becuase I'm running a sale on my site. Everything I try gives me a error message

Good for syncing listings from Etsy to Shopify. HOWEVER, it DOES NOT keep syncing inventory!!! This is the main reason I purchased this app, and I'm very disappointed.
I liked how I could customize what exactly transferred (only first pic, remove/add paragraphs to the description, keep only first tagline in title, etc). But because I only need the first pic and first paragraph on my Shopify ...