424 Inventory Sync
424 Inventory Sync keeps stock aligned across Shopify products and variants that share the same SKU.
What the app does
- Finds SKUs assigned to two or more inventory items.
- Mirrors available inventory for matching SKUs at each Shopify location.
- Responds automatically to inventory changes, paid orders, and refunds.
- Provides a manual reconciliation using the highest or lowest current quantity.
- Adds optional cart validation so combined lines sharing a SKU cannot exceed available stock.
Before you begin
Every item in a sync group must use the exact same, non-empty SKU. Inventory must also be stocked at the same Shopify location; quantities at separate locations are not combined.