Quantity Min/Max & Step Rules for WooCommerce

Sell in the quantities that make sense.

Enforce minimum, maximum and step (multiples-of) quantities on the product page and at the cart, ideal for wholesale and case-pack selling. HPOS-ready, no jQuery.

Free B2B
Email one feature the free version lacks Download free on WordPress.org Try it on the demo store →

Built by a store owner, not a plugin company — every CartMend plugin runs live on my own store, stickitsibiu.ro. — Manu

Why this plugin

Built for one specific job. No bloat. Tested on WP 6.5+ and WooCommerce 8+. Block and classic checkout supported.

No subscriptions

No subscriptions. No renewal traps.

Block + classic checkout

Works on both Block Checkout (modern) and Classic Checkout. No JS hacks.

Free vs Pro — what you actually get

FeatureFree (WP.org)Pro
Core functionality✓✓
Free updates for lifeFree updatesFree updates
Multi-site usage1 site1 site (default), more on request
Priority support—✓
Advanced rules—✓
Per-product min/max/step—✓
Per-role overrides—✓
Per-customer-group rules—✓
Bundle quantity rules—✓
CSV bulk import—✓

Questions, answered

Will it work with my theme/checkout?

Yes. CartMend plugins work with classic AND block checkout, including modern themes like Storefront, Astra, Kadence, Blocksy, and Divi. We test on WP 6.5+ and WooCommerce 8+.

Is HPOS supported?

Yes. All CartMend plugins are HPOS-compatible (High-Performance Order Storage). You can enable HPOS without breaking anything.

Is there a paid version?

Not right now. The plugin is free. Want it configured for you? See our Checkout Rules Setup service.

Related plugins in B2B

Stop overthinking. Get it done.

No subscriptions. No subscription traps.