Bulk Mockup is compatible with almost all Print on Demand Mockup Template. As long as your mockup templates has a smart object layer to change design. Bulk Mockup is compatible with it.

Here's a list of supported mockup templates Framed Poster, Canvas, T-shirt, Tops, Hoodie, All over t-shirts, Leggings, Cap, bottles, mugs, Tote Bags, Phone Cases, Masks, Blankets, Towel etc