In POSYX, stock is derived from movements (purchases, adjustments, sales, and receipts). That keeps inventory auditable and consistent across devices.
Use stock count to correct your on-hand quantity based on a physical count.
Record shrinkage, damages, corrections, or manual updates with a reason.
Record purchases that increase stock (and optionally update product pricing).
For larger restocks, supplier orders and receiving help you track what was ordered vs received.