One tool looks forward — forecasting demand and planning your next purchase order. The other looks at what actually happened — your true profit, to the cent. Here's a fair look at where each is strongest, so you pick the one that matches your priority.
Last reviewed July 2026 · SoStocked details from their public site; verify current pricing on each vendor's page.
A dedicated profit-accounting platform for Amazon sellers. True FIFO lot-based cost of goods, a real month-by-month P&L, reimbursement recovery, product research, and a built-in finance module for your whole business — with restock alerts included. Built by a team with 10+ years in Amazon profit analytics.
An inventory-forecasting and purchase-order platform for Amazon sellers (by SPS Commerce). Demand forecasting up to 12 months, reorder alerts, PO creation, and multi-supplier / multi-warehouse planning — with its ProfitFlow add-on forecasting sales, fees and costs to flag underperforming products and margin drains.
| Feature | SellerGuards | SoStocked |
|---|---|---|
| Actual profit dashboardWhat each order really earned | Yes — reconciled per order from SP-API | Forecast-focused — ProfitFlow projects profit forward |
| FIFO cost of goodsMargins on what you actually paid | Yes — purchase-lot level; updates as buy price changes | Cost inputs — product costs factored at ASIN level |
| Month-by-month P&LFull financial statement | Yes — real P&L, every cost and margin | No — not an accounting/P&L tool |
| Reimbursement recoveryMoney Amazon owes you | Yes — lost/damaged inventory tracking | No |
| Built-in finance moduleNon-Amazon income, expenses, mileage | Yes — recurring entries, tax-ready | No |
| Demand forecastingLong-range projections | Restock alerts — know when to reorder | Yes — up to 12 months, seasonality & trends |
| Purchase-order creation | No | Yes — generate and manage POs |
| Multi-supplier & multi-warehouse | No | Yes — multiple suppliers/warehouses per product |
| Inventory tracking & restock | Yes — FBA & FBM stock, restock alerts | Yes — deep inventory planning |
| Product research / sourcing | Yes — search, scan & calculate profit before you buy | No |
| Marketplace coverage | US today — more rolling out automatically | All marketplaces — plus AWD & MCF integration |
| Starting price | Free, then a few dollars a month as you grow | ProfitFlow ~$97/mo; with inventory from ~$250/mo |
SoStocked capabilities and pricing are summarized from their public website and may change. Always confirm current details on spscommerce.com/products/sostocked before deciding.
Forecasting and accounting solve different problems, and some sellers run both. If you have to start with one, start with the numbers you can trust — your actual profit. That's what SellerGuards is built for.
See your true profit in a couple of minutes
Connect once via Amazon's official SP-API. Every order is automatically costed from your real FIFO purchase lots, so you get accurate per-order profit and a live P&L — free to start.
They emphasize different sides of the business. SoStocked is an inventory-forecasting and purchase-order platform — demand forecasting up to 12 months, reorder alerts, multi-supplier and multi-warehouse planning, with its ProfitFlow add-on forecasting sales, fees and costs to flag margin drains. SellerGuards is a profit-accounting tool focused on actuals — true FIFO lot-based cost of goods, a real month-by-month P&L, reimbursement recovery, and a built-in finance module — with restock alerts included. In short: SoStocked leans forward-looking planning; SellerGuards leans accurate profit accounting.
Yes, meaningfully. SoStocked's ProfitFlow starts around $97/mo, and ProfitFlow plus full inventory planning starts around $250/mo. SellerGuards starts free and stays a few dollars a month as you grow. The tools aim at different budgets and needs, so compare current pricing on each vendor's page before deciding.
Not to the same depth. SoStocked specializes in long-range demand forecasting, reorder planning, purchase-order creation, and multi-supplier/multi-warehouse management. SellerGuards includes inventory tracking and restock alerts so you know when to reorder, but it is not a dedicated forecasting-and-PO platform. If complex, multi-warehouse forecasting is your core need, SoStocked is purpose-built for that.
SoStocked's ProfitFlow forecasts profit by factoring fees and product costs at the ASIN level, which is forward-looking. SellerGuards focuses on actual, historical accounting: FIFO cost of goods at the purchase-lot level, a real month-by-month P&L, reimbursement recovery, and a finance module for non-Amazon income and expenses. If you want precise books on what actually happened, that is SellerGuards's focus.
SoStocked works across Amazon marketplaces and integrates with Amazon Warehouse Deals (AWD) and Multi-Channel Fulfillment (MCF). SellerGuards currently supports the US marketplace (Amazon.com), with more on the way — once you connect, new marketplaces switch on automatically as they roll out. If you need broad marketplace coverage today, SoStocked has it now.