BundleBoss
You write, a human answers. Usually within a day, often much faster.
support@getbundleboss.com
No ticket numbers, no chatbots, no runaround. The person who reads it is the person who builds the plugin.
If something is broken, include your WordPress and WooCommerce versions, which bundle and layout you were using, what you expected, and what happened instead. A screenshot is worth all five. With that, most answers come back in one reply.
Pricing, the free trial, refunds and what the free version includes are all covered in the common questions. The refund policy is a two-minute read and there are no hoops in it.