Simple plans. Start free today.
Install Sizo from the Shopify App Store and start on Free — no card, no call. We still onboard brands hands-on, validate every recommendation against real purchase orders, and tighten the model against your category. Pricing in USD, billed monthly or yearly on your regular Shopify invoice. Change or cancel your plan any time from inside the app.
See what sold-out sizes cost you. Connect your store and get the audit — no card.
- checkOne-click connect to Shopify — read-only, no dev work
- check2 products analyzed a month
- check500K of AI thinking a month
- checkLost-revenue audit on your last 12 months
- checkSize-mix and sell-through breakdown, plus the weekly brief
- checkEmail support
Urgent sellout alerts and the Combined Ratio planner start at Advanced.
Get your free audit arrow_forwardThe full restock engine. Size ratios, totals, and alerts for every product in your catalog.
- checkEverything in Free
- check50 products analyzed a month
- check5M of AI thinking a month
- checkSize-ratio & restock-quantity recommendations
- checkConfidence scoring & stockout-aware demand
- checkUrgent sellout & restock alerts — up to 100 emails a month
- checkCombined Ratio planner, bulk CSV export, custom benchmarks
- checkPriority support
Everything in Advanced, with room to breathe — for larger catalogs and teams running Sizo across the whole range.
- checkEverything in Advanced
- check300 products analyzed a month
- check20M of AI thinking a month
- checkSellout alerts that are never rationed
- checkCustom benchmarks & priority support
All plans are read-only — Sizo never writes to your store. Paid plans are billed on your regular Shopify invoice, and you can upgrade, downgrade or cancel at any time from the app's Settings.
Trained on your shop, not the industry average.
We sit with each design partner, connect the store, and walk through the first recommendations together.
Every recommendation is checked against the brand's actual next purchase order so the math earns trust.
The model is trained on your shop — not the industry average — and we tighten it against your size curve.
Look into two products a month on Free. Upgrade when the numbers justify it — and change or cancel your plan any time from Settings.
Pick a plan when you're ready. Start on Free.
Install from the Shopify App Store and get your lost-revenue audit on the Free plan. Upgrade from inside the app whenever you want more.
Or write to us directly: info@sizo-ai.com