Prices checked Oct 14, 2026 to Oct 19, 2026 on vendor pages

Best inventory forecasting tools for Shopify

Short answer

For a small Shopify brand, Prediko is the cheapest dedicated forecasting tool we list: from $49/mo for stores under $100k GMV. Fabrikator (from $79/mo billed yearly) adds purchase orders. Inventory Planner (from $119.99/mo) suits Shopify plus other channels. Cin7 (from $349/mo) is a full inventory system and costly for small sellers.

Quick picks

Small Shopify store: Prediko, from $49/mo under $100k GMV. Shopify-only.
Purchase orders + forecasting: Fabrikator, from $79/mo billed yearly. Price scales with revenue.
Shopify plus other channels: Inventory Planner, from $119.99/mo. Now part of Sage.
Many warehouses and channels: Cin7, from $349/mo.

All options compared

Tool	Price	Checked	Best for	Who it fits	The catch
Prediko	From $49/mo (under $100k GMV) source	Oct 19, 2026	AI demand forecasting for Shopify	Small-mid Shopify brands	Shopify-only focus
Fabrikator	From $79/mo (billed yearly, $0–500K revenue); revenue-based tiers source	Oct 14, 2026	Shopify inventory planning, purchase orders and forecasting	Shopify brands managing purchase orders	Shopify-focused; price scales with revenue
Inventory Planner	From $119.99/mo (Essentials); higher plans custom quote source	Oct 19, 2026	Demand forecasting and POs for Shopify/multi-channel	Shopify and multi-channel brands	Now part of Sage; pricing by revenue
Cin7	From $349/mo; $599/mo and $1,199/mo tiers (USD, excl. tax) source	Oct 14, 2026	Inventory and order management across channels and warehouses	Multichannel brands outgrowing spreadsheets	Costly for small sellers
StockTrim	not verified	Oct 14, 2026	Demand forecasting and reorder suggestions	SMBs wanting forecasting on top of their existing inventory system	Pricing depends on revenue band; check the calculator
Flieber	not verified	Oct 14, 2026	Inventory planning for omnichannel and Amazon brands	Brands selling across Amazon, DTC and wholesale	Price not published on its pricing page

Prices come from each vendor's own pricing page on the date shown. "Not verified" means we could not confirm a price that day. Always check the vendor site before you buy.

FAQ

What is the cheapest inventory forecasting app for Shopify?

Of the tools we list, Prediko starts lowest at $49/mo for stores under $100k GMV.

Do StockTrim and Flieber publish prices?

We could not verify a price on their pricing pages, so check with them directly.

Do these work for Amazon too?

Inventory Planner and Flieber list multi-channel or Amazon use. Prediko and Fabrikator are Shopify-focused.

Disclosure: some outbound links may be affiliate links, and sponsored placements are always labeled "Sponsored". Verdicts and rankings are not for sale. Pricing is checked against vendor pages and dated; always confirm on the vendor site.