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Inventory Planner vs Katana

Updated June 2026 · A structured head-to-head comparison.

Forecasting and replenishment for ecommerce.

Manufacturing ERP for SMBs.

The verdict

Both Inventory Planner and Katana are credible inventory management tools, and the right pick comes down to your priorities.

Inventory Planner - Forecasting and replenishment for ecommerce.

Choose Katana if you'd rather have a lower starting price (from $179/mo). Manufacturing ERP for SMBs.

Inventory Planner vs Katana: side by side

DimensionInventory PlannerKatana
Starting priceCustomFrom $179/moWinner
Free planNoNo
Free trial14 days14 days
Pricing modelSubscriptionSubscription
Best forEcommerce, SmbManufacturers, Makers
PlatformsWeb, APIWeb, API
Rating4.6/54.5/5

Inventory Planner key facts

Vendor
Sage
Pricing
Subscription - Custom
Free tier
Free trial (14 days)
Platforms
Web, API
Best for
Ecommerce, Smb
Editor rating
4.6 / 5
Founded
2012
Headquarters
London, UK

Katana key facts

Vendor
Katana
Pricing
Subscription - From $179/mo
Free tier
Free trial (14 days)
Platforms
Web, API
Best for
Manufacturers, Makers
Editor rating
4.5 / 5
Founded
2017
Headquarters
Tallinn, Estonia

Frequently asked questions

Is Inventory Planner better than Katana?

Neither is universally better - Inventory Planner edges ahead on overall rating, but the best choice depends on price, platforms, and your use case. See the side-by-side table above.

Is Inventory Planner or Katana cheaper?

Katana is the more affordable of the two to get started, at from $179/mo. Inventory Planner starts at custom; Katana starts at from $179/mo.

Can Inventory Planner replace Katana?

Yes for most teams - both are inventory management tools with heavily overlapping features. The main trade-offs are pricing and platform support, covered in the comparison above.

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