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Best signup box plugins for WordPress

The most popular signup box plugins for WordPress in November 2026, in WordPress.org’s own popular order, which follows active installs. AllProWebTools Leadboxes leads with 10+ active installs. All 1 plugins tagged “signup box” are below, with figures from WordPress.org that update every day.

Installs aren’t everything: a recent release, a “Tested up to” that matches the current WordPress, and support threads that get resolved show a plugin is looked after. Open any plugin for its downloads, rank history and alternatives.

Research this niche or see all plugins.

Top 1 signup box plugins

  1. 1.
    AllProWebTools Leadboxes

    The most installed signup box plugin, with 10+ active installs. Only 1 review so far, updated 4 months ago. Tested only up to WordPress 6.7.11.

All 1 plugins tagged “signup box”