Simprosys Google Shopping Feed

In general this is a great app, and it's been invaluable in helping me clean up my product feed, remove variants and have more control over which products appear in which placements. Only reasons I'm not giving it 5 stars is because 1. it won't filter by collections, 2. it doesn't allow negative filtering (e.g. show all products where {variable} IS NOT xyz), and 3. it doesn't integrate with TikTok.