Billstack
Free planConnect Shopify to Billstack: real-time order import, GoBD-compliant invoices (ZUGFeRD), stock sync and shipping — built for merchants in Germany & the EU.





30-Day Trends
Category Rankings
- Category
Orders and shipping apps > Inventory apps > Inventory sync apps
Sync inventory from multiple suppliers, across multiple platforms, using multiple file formats—from CSV to XML.
Rank: 594 / 597
Last seen 2026-08-08
- Category
Orders and shipping apps > Inventory apps > ERP apps
For big businesses that need big solutions. Use apps to manage your operations at scale.
Rank: 175 / 177
Last seen 2026-08-08
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