Serial Numbers – Ultimate License Manager for Selling, Licensing & Securely Delivering Digital Content with WooCommerce

75 Quality Score

Active Installs

14/30

At 1,000 active installs the user base is small but the plugin maxes out its popularity bucket, suggesting strong uptake within its narrow niche.

Update Freshness

25/25

Updated within the last update cycle and tested against WordPress 7.0, this is one of the most actively maintained license plugins available.

User Rating

14/15

A 94 out of 100 rating across 78 reviews is excellent and indicates genuine satisfaction, though the sample size is modest.

Support Health

8/15

Zero public support threads with a 0.0% resolution rate is a yellow flag: either users have no issues or, more likely, support is being handled through the developer’s own site or email channel rather than the WordPress.org forum.

WP Compatibility

15/15

Supports PHP 7.4 through current versions and WordPress 5.2 onward, and is tested with WordPress 7.0, so compatibility concerns are minimal.

Scores higher than 39% of indexed plugins

About

An easy way to sell digital products and manage licenses with WooCommerce.

Active Installs 1k+

Rating ★★★★½ 4.7/5

Last Updated 2026-08-30 9:07am GMT

Requires WordPress 5.2+

Tested Up To 7.1

Requires PHP 7.4+

Security History

2 known vulnerabilities, all patched

2 Medium

Most recent: May 10, 2024

View details ▸

What It Does

Serial Numbers turns WooCommerce into a license key delivery system, auto-generating and attaching serial numbers, API keys, or software activation codes to digital product orders. Customers receive their license details in the order confirmation email and through their WooCommerce account page, and admins can manage, revoke, or track issued keys from a dedicated dashboard.

Who It's For

This plugin is built for sellers of digitally downloadable goods who need to issue, track, and control unique license keys: software vendors, plugin and theme developers, SaaS businesses shipping product keys, online course creators, and digital asset marketplaces. It fits best on stores that already run WooCommerce and want license management bolted on rather than replaced.

Who Should Skip It

If you sell only physical goods, or you already use a dedicated license management platform like LicenseSpring or Cryptolens, you do not need this plugin. It is also overkill for stores that simply want to deliver a download link without any key tracking.

The Bottom Line

Serial Numbers delivers a focused, well-maintained license key solution for WooCommerce stores and earns a 75.03 overall quality score. The only real caution is the absent public support presence: if you depend on WordPress.org forum responsiveness, confirm the developer’s direct support channels before buying a premium tier. For most digital sellers, however, it is a practical and reliable choice.

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