Inventory & Operations tools
Forecasting, purchase orders and restock planning built around FBA's quirks — lead times, transfer shipments and storage limits. Compare how much of the workflow each tool automates.
Forecasting engine or listing workflow?
The two tools here solve different problems. SoStocked is a forecasting and purchasing system: it handles FBA transfers, lead times and seasonality natively, lets the seller customise forecasting models and builds purchase orders inside the tool. It is listed from $57/mo and is aimed at sellers with 50 or more SKUs.
InventoryLab, from $69/mo, comes from the reseller side. Scanning, listing and labelling run in one flow, and profit is tracked per purchase batch, which is why it is popular with arbitrage and wholesale sellers. Its forecasting is weaker than a dedicated tool’s.
What to look for in a forecasting tool
- Lead times broken into production and transit, set per supplier rather than as one global number.
- Seasonality and planned promotions built into the forecast, not patched in by hand.
- Awareness of FBA storage limits and transfer shipments, so a reorder plan is one Amazon will actually accept.
- Purchase orders generated from the forecast, with supplier and cost data attached.
- Realistic data requirements: SoStocked needs clean historical sales data to set up, so messy history means a slow start.
When a spreadsheet is still enough
A catalogue of a dozen steady sellers with one supplier can be managed with daily sales velocity, lead time and a safety buffer in a spreadsheet. The case for software grows with SKU count, supplier count and seasonality. Resellers who rarely reorder the same item need a listing and cost workflow rather than a forecast, and will get more from InventoryLab than from SoStocked.
Common questions
Do I need SoStocked with fewer than 50 SKUs?
Probably not. It is aimed at sellers with 50 or more SKUs and needs clean sales history to set up; smaller catalogues can often plan restocks in a spreadsheet.
Is InventoryLab an inventory forecasting tool?
Only partly. Its strength is the scan-list-label workflow and profit per purchase batch, and its forecasting is weaker than that of dedicated tools such as SoStocked.