What Is Shopify Inventory Forecasting?
Shopify inventory forecasting means predicting how many units of each product you'll sell over the coming weeks, then using that prediction to decide how much to reorder and when. Done well, it answers three questions for every SKU: how fast is it selling, when will it run out, and how much should I order today so it arrives before it does.
The inputs are your sales history, current stock, seasonality and supplier lead times. The output is a reorder point and a suggested order quantity. Most Shopify merchants start doing this in a spreadsheet, which works until the catalogue grows past a few dozen variants.
Shopify's Built-In Tools vs. a Dedicated Forecasting App
Shopify tells you what happened. Inventory forecasting tells you what to do next.
| Shopify on its own | With Verve AI | |
|---|---|---|
| What it tells you | What sold in the past (Shopify Analytics reports) | What will sell next, and when each SKU needs reordering |
| Forecast level | No per-SKU demand forecast; Sidekick can suggest reorder quantities on request | Every SKU and variant (size, colour, etc.), updated daily |
| Seasonality | You spot it yourself in the reports | Detected automatically from your order history |
| Supplier lead times | Not factored into any reorder timing | Built into every reorder point |
| Purchase orders | Created manually in Shopify Admin (or drafted via Sidekick) | Pre-built from the forecast, supplier prefilled; approve in one click |
| Dead stock | Found by digging through sales reports | Flagged automatically with the cash tied up in it |
Shopify's former forecasting app, Stocky, shut down on August 31, 2026. See our Stocky alternative guide if you're replacing it.
How AI Inventory Forecasting Works on Shopify
From install to your first reorder suggestion.
Connect your Shopify store
Install Verve AI from the Shopify App Store. It syncs your full order history, products, variants and stock levels automatically, with no CSV uploads.
The AI builds a forecast for every SKU and variant
The forecasting engine analyses each variant's sales velocity, seasonality and trend, then combines expected demand with supplier lead times and a safety stock buffer to set a reorder point.
You get alerts before problems cost you
Verve AI monitors stock levels every day and flags what's about to run out, demand spikes before you sell through, and dead stock before it ties up more cash.
Approve the purchase order
Reorders arrive as pre-built purchase orders with the supplier prefilled. Approve in one click, adjust quantities, or snooze what can wait.
Reorder now
Running Shorts (M)
3 days of stock remaining · Reorder point reached · Suggested: 48 units
Demand spike
Protein Powder Vanilla
+185% velocity vs 30-day avg · Stockout risk in 6 days
Dead stock
Winter Coat (XL)
$4,200 tied up · No sales in 45 days · Action needed
Example alerts, illustrative data.
What to Look For in a Shopify Inventory Forecasting App
Five things that separate a useful forecast from a pretty chart.
- ✓
Variant-level forecasts, not product-level
A hoodie that sells 200 units a month can still stock out in Medium/Black while Large/Grey sits for months. If the forecast stops at the product, your reorders will be wrong at the level you actually buy.
- ✓
Seasonality handled for you
Q4 peaks, summer lulls and promo spikes distort a simple average. The app should recognise recurring patterns in your own history instead of asking you to adjust them by hand.
- ✓
Lead times in the reorder point
A forecast is only useful if it tells you when to order. That means combining expected daily demand with each supplier's real lead time, plus a safety stock buffer.
- ✓
Forecasts that turn into purchase orders
The goal is a PO, not a chart. Look for reorder suggestions you can approve, edit or snooze, with supplier details already filled in.
- ✓
Pricing that doesn't scale with your success
Many forecasting tools charge by order volume, GMV or SKU count, so the bill grows as you do. Check what you'll pay at 2x your current size, not just today.
Comparing options? Our Shopify inventory forecasting app comparison puts the main apps side by side on features and pricing.
One Plan: $19.99/month
Everything included: AI forecasting for every SKU and variant, purchase order automation, supplier management, multi-location stock, dead stock detection and 10 built-in inventory reports. No per-SKU charges, no GMV tiers, no order volume limits.
Built for 1–3 person teams running Shopify or WooCommerce stores. See full pricing
Start 14-Day Free TrialNot Ready for an App Yet?
If you only sell a few products, you can forecast in a spreadsheet first. Our guide to demand forecasting in Excel walks through moving averages, FORECAST.LINEAR and FORECAST.ETS, and includes a free template. For the bigger picture, read AI inventory forecasting: the complete guide.
Shopify Inventory Forecasting FAQ
Does Shopify have built-in inventory forecasting?
Not as a dedicated feature. Shopify Analytics shows what sold in the past, and Shopify's Sidekick AI assistant can suggest reorder quantities and draft purchase orders when you ask. But Shopify doesn't produce an ongoing demand forecast per SKU and variant that accounts for seasonality and supplier lead times. That's what a forecasting app adds. Shopify's previous forecasting tool, Stocky, shut down on August 31, 2026.
How does AI inventory forecasting work on Shopify?
The app reads your Shopify order history and current stock levels through the Shopify API, then models each SKU's sales velocity, seasonal patterns and trend. It combines that expected demand with your supplier lead times and a safety stock buffer to calculate a reorder point for every SKU and variant, and tells you what to order and when.
How accurate is Shopify inventory forecasting?
It depends mostly on your data: forecasts for steady sellers with a year or more of history are far more reliable than for brand-new or highly promotional products. A good forecasting app keeps recalculating as new orders come in, so errors shrink over time instead of compounding the way a static spreadsheet does.
Do I need to upload data or connect spreadsheets?
No. Verve AI syncs your full Shopify order history, products, variants and stock levels automatically when you install it. There are no CSV uploads, and it starts analysing your orders and inventory within minutes.
How much does Verve AI cost?
$19.99/month USD, one plan with everything included: no per-SKU charges, no GMV tiers and no order volume limits. There's a 14-day free trial, no credit card required, and you can cancel any time from your Shopify admin.
Can I forecast inventory in Excel instead?
Yes, for a handful of products. Moving averages, FORECAST.LINEAR and FORECAST.ETS work well for one SKU at a time, and our free demand forecasting Excel template sets them up for you. It stops scaling once you have dozens of SKUs and variants to update every month, which is where an automated Shopify app takes over.
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