F: PDF Invoice Generator

The reviews for this Shopify App are overwhelmingly positive, with users praising the quick and helpful customer support, ease of use, and customization options. Many users highlighted the fast response times and efficient resolution of issues by the support team. The app was commended for its functionality in creating professional invoices and the ability to customize templates. However, there were a few users who mentioned issues such as difficulties with invoice numbering, translation errors, and some instability in the app's performance.