Now accepting beta partners

The merchandising brain
your Shopify store
is missing

Sell-through rates, markdown intelligence, size curve diagnostics, and velocity trends. All computed automatically from your live Shopify data. No spreadsheets required.

SKU Health
Markdowns
Size Curves
Velocity
▼ Filters
L
You have 47 SKUs in red status representing $128K in retail value. The biggest concentration is in your Fall 2025 outerwear, which has slowed significantly over the past 3 weeks. 12 SKUs haven't sold in 30+ days.
Active SKUs
1,247
+23 this week
Healthy
842
67.5% of catalog
Needs Action
47
$128K at risk
Inventory Value
$2.1M
14,803 units
Product Variant Status Health Sell-Thru WOS Velocity Last Sale On Hand Value
Aspen Puffer Jacket M / Black Healthy 84 72% 3.2 18/wk Today 58 $13,920
Riviera Linen Blazer L / Sand Healthy 76 64% 4.8 12/wk 1d ago 72 $21,600
Canyon Wide-Leg Pant S / Olive Watch 52 38% 9.4 6/wk 5d ago 94 $12,220
Summit Knit Hoodie XL / Charcoal Watch 44 31% 11.2 4/wk 8d ago 67 $5,360
Dune Silk Cami XS / Blush Action 21 14% 22.6 1/wk 19d ago 112 $8,960
Frost Overcoat M / Camel Action 15 9% 31.0 0.5/wk 34d ago 148 $51,800

Built for the metrics Shopify doesn't give you

4-8 hrs
Saved per week versus
manual spreadsheet reporting
5 min
From install to your
first merchandising insight
$0
Free forever for core
merchandising intelligence

Every metric your
merchandiser needs

Shopify tells you revenue and orders. Lookstock tells you what to do about your inventory. Four purpose-built views replace the spreadsheet entirely.

SKU Health Dashboard

Every active SKU ranked by a composite health score combining sell-through rate, weeks of supply, velocity trend, and recency. Green, yellow, red - instantly see which products need attention.

AI-generated summary refreshed daily

Markdown Intelligence

SKUs ranked by markdown urgency based on inventory exposure, velocity decay, weeks of supply, and age. Each candidate shows projected clearance timelines at 20%, 30%, and 40% off.

Replaces the half-day markdown spreadsheet

Size Curve Analysis

Compare sales distribution vs. inventory distribution by size for every style. Instantly spot which sizes are under-stocked relative to demand and which are over-stocked and heading for markdowns.

Inform your next buy's size ratio

Velocity Trends

Time-series velocity tracking by SKU, style, collection, or vendor. Overlay inventory-on-hand to see the full picture. Spot accelerating styles for reorder and decelerating styles for markdown.

Detect promotion impact in real time

Shopify shows you revenue.
Not inventory health.

Fashion brands on Shopify are flying blind on the metrics that actually drive inventory decisions. Sell-through rates, weeks of supply, size curve imbalances, markdown timing - none of this exists natively.

So every week, merchandisers export CSVs, pull data from NetSuite, and manually build Excel models. Static snapshots that are stale by the time they're shared.

01

No sell-through visibility

Shopify tracks revenue, not units sold vs. units received by style, color, and size.

02

No historical inventory

Shopify only shows current stock levels. It doesn't store daily snapshots, so you can't track aging.

03

No markdown guidance

Markdown timing is a gut call. There's no system scoring urgency by velocity decay and capital exposure.

04

Size curves are invisible

Is your size M under-stocked at 35% of sales but 10% of inventory? You won't know without a spreadsheet.

From install to insight
in under 5 minutes

One-click Shopify OAuth. No configuration. No CSV uploads. Lookstock reads your product, order, and inventory data and does the rest.

1

Connect

Soon in the Shopify App Store. One-click OAuth connects your store with read-only access. We never modify your data.

30 seconds
2

Analyze

Lookstock backfills 12 months of order history, syncs your full catalog, and computes every metric automatically.

~3 minutes
3

Act

Land on your SKU Health Dashboard. See exactly which products need markdowns, reorders, or size ratio adjustments.

Immediate

Stop building spreadsheets.
Start making decisions.

The Old Way

Manual spreadsheets, every single week

  • × Export CSVs from Shopify admin
  • × Pull data from NetSuite or another ERP
  • × Build sell-through formulas by hand
  • × Calculate weeks of supply per SKU
  • × Eyeball size curves in pivot tables
  • × Guess at markdown timing
  • × 4-8 hours per week, stale by delivery
vs

With Lookstock

Automated intelligence, always live

  • One-click install, fully automated sync
  • Real-time sell-through by style, size, color
  • Daily inventory snapshots (Shopify doesn't store these)
  • Composite health scores with clear actions
  • Size curve mismatches surfaced instantly
  • Markdown candidates scored and ranked
  • AI summaries that tell you what to do next

Get early access to Lookstock

We're onboarding a small group of fashion brands for our beta launch. Free forever for core features. Be the first to replace your merchandising spreadsheets.

Free for the core product. Read-only access. No credit card required.