Pro Addon Catalog

StoreEngine Pro is a companion plugin (storeengine-pro) that layers premium features onto the free core using the same addon framework — each Pro feature is a toggleable addon that boots only when enabled. Some Pro addons are brand-new features; others extend a free counterpart that ships a base implementation in core.

This page catalogs the Pro addons, explains how they load, and flags the free/Pro overlaps. For the framework itself, see Addon architecture; for the split, see Free vs Pro.

The catalog

Addon (slug)	What it does
subscription	Recurring billing: plans, trials, renewals, and subscription management. (extends free)
membership	Content/product access tied to plans and levels. (extends free)
installment-plan	Split a purchase into scheduled installment payments.
license-management	Software license keys, activations, and the wp storeengine license CLI.
abandoned-cart	Detect abandoned carts and trigger recovery flows.
order-bumps	One-click add-ons offered at checkout.
funnel-builder	Sales funnels with upsells/downsells and offer pages. (extends free)
inventory-pro	Advanced stock control plus back-in-stock / restock notifications.
cost-profit	Track per-product cost and report profit margins.
pos	Point-of-sale interface for in-person selling.
returns	RMA / returns and refund request workflow.
suppliers	Supplier records and purchasing.
multi-vendor	Marketplace: vendor accounts, storefronts, commissions, payouts. (extends free)
dropshipping	Route orders to dropship suppliers.
fraud-shield	Fraud scoring and risk rules on orders.
verification	Buyer/age/identity verification gating.
dynamic-pricing	Quantity/role/rule-based dynamic pricing.
ai	AI-assisted commerce features. (extends free)
role-permission	Granular store-role and capability management.
advanced-coupon	Extended coupon rules beyond the core coupon engine.
seeder	Generate demo/sample data. (extends free)

How Pro addons load

Pro addons are registered in StoreEnginePro\Addons (includes/addons.php). addons_loader() builds a slug => ClassName map behind the storeengine_pro/addons/loader_args filter, then for each entry registers the addon namespace with the autoloader and calls init()->run():

$addons = apply_filters( 'storeengine_pro/addons/loader_args', [
	'membership'         => 'Membership',
	'subscription'       => 'Subscription',
	'installment-plan'   => 'InstallmentPlan',
	'license-management' => 'LicenseManagement',
	// ...
] );

foreach ( $addons as $slug => $class ) {
	$namespace = 'StoreEnginePro\\Addons\\' . $class;
	Autoload::get_instance()->add_namespace_directory( $namespace, $addon_root_path );
	( $namespace . '\\' . $class )::init()->run();
}

Each Pro addon class extends the same StoreEngine\Classes\AbstractAddon base as core addons, so it participates in the shared active-status gate, schema-sync, and settings pipeline. Only enabled addons sync their schema. Add or replace entries through the storeengine_pro/addons/loader_args filter to register your own Pro-tier addon.

Requires the free core

StoreEngine Pro declares a minimum core version (STOREENGINE_PRO_MIN_CORE_VERSION) and cannot run without the free StoreEngine plugin active — it consumes core's addon framework, schema manager, and settings API.

Free / Pro overlap

Several features have a base implementation in free core that the Pro addon extends rather than replaces — activating the Pro plugin enriches the same addon. These include subscription, membership, multi-vendor, funnel-builder, ai, and seeder. In these cases the free addon provides the schema and baseline UI; the Pro addon registers additional handlers, admin screens, and gated capabilities under the same slug.

Because both plugins share core's addon registry and settings-sync, there is no duplicate option storage or double registration — the Pro addon hooks into the existing free addon's lifecycle.

See also

• Free vs Pro — the feature-by-feature split.
• Addon architecture and Registration & gating — the shared framework.
• WP-CLI — the license command that ships with the license-management addon.