Inventory Planner by Sage: forecasting for multichannel retailers

Contents

1. What Inventory Planner does
2. Published evidence
3. Strengths and limits
4. Pricing
5. Questions to ask Inventory Planner
6. Sources

Type	Forecasting and replenishment software
Pricing	Not published
Website	inventory-planner.com

Inventory Planner, part of Sage, forecasts demand SKU by SKU and turns the forecast into replenishment and purchase orders across a retailer's sales channels⁠1Inventory Planner pricingInventory Planner by Sage.

Best for: Online and multichannel retailers that want SKU-level demand forecasts and purchase orders across their sales channels.

Not the right fit for: Retailers that need customer support or supplier email handled, or that want a published price before a demo.

What Inventory Planner does

The tool provides demand forecasting by SKU, replenishment and purchase orders, inventory reporting from top-level metrics down to individual SKUs, analytics that match marketing spend to stock, multi-location planning and budget planning by month or retail week, with Sage Copilot and Sage AI. It connects to Shopify and Shopify Plus, Amazon, WooCommerce, eBay and BigCommerce; to Brightpearl, Cin7, QuickBooks, Linnworks and NetSuite; and to ShipHero, ShipBob and ShipStation⁠1Inventory Planner pricingInventory Planner by Sage.

Pricing is based on the volume of inventory managed and is quoted on request, with unlimited users included⁠1Inventory Planner pricingInventory Planner by Sage.

Published evidence

No case studies with named customers are published.

Strengths and limits

Strengths

• Purpose-built forecasting and replenishment for multichannel sellers.
• Wide list of published integrations across shops, marketplaces, inventory and shipping tools.
• Unlimited users at no extra cost.

Limits

• Pricing is not published; it depends on inventory volume and is quoted on request.
• Lightspeed is not among the listed integrations.
• Does not handle customer questions or supplier correspondence.

Choose another option if: You want the AI to act on purchase orders and supplier email as well as forecast (OpenLazarus), or your stores run on Lightspeed (Lightspeed).

Pricing

Not published. Priced by the volume of inventory managed; quotes on request.

Questions to ask Inventory Planner

• What would our inventory volume cost per month?
• How does it handle new products with no sales history?
• Can it connect to our POS if it is not on the published list?

See how Inventory Planner compares with the other tools in the main guide.

Sources

1. Inventory Planner pricing. Inventory Planner by Sage. Accessed 8 Nov 2026.

Further reading

• Buyer's guide · Updated quarterlyThe best AI for retail businesses in 2026An analysis of eight AI tools that retailers use for stock, purchasing and customer service, compared on the same criteria, with published prices and the established path to a first measured result.
• Guide · Forecasting and operationsDemand forecasting vs operations, where retail AI pays firstA forecast tells a retailer what to order. Operations decide whether the order is placed, confirmed and delivered on time. For most small retailers, the second is where the stock-outs come from.
• Guide · CostWhat AI costs a retailer in 2026Retail AI is priced per register, per interaction, per profile or per company. The total depends less on the headline price than on volume and on what the plan leaves out.