Best popunder plugins for WordPress
The most popular popunder plugins for WordPress in November 2026, in WordPress.org’s own popular order, which follows active installs. PopCash Code Integration Tool leads with 300+ active installs, ahead of Ultimate PopUnder (200+) and Init Ad Engine (70+). All 5 plugins tagged “popunder” 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 5 popunder plugins
- 1.
PopCash Code Integration ToolThe most installed popunder plugin, with 300+ active installs. Rated 4.0 from 8 reviews, updated 7 months ago. Tested only up to WordPress 6.9.11.
- 2.
Ultimate PopUnder200+ active installs. Only 2 reviews so far, last updated 6 years ago. Tested only up to WordPress 5.5.24.
- 3.
Init Ad Engine70+ active installs. Only 1 review so far, updated 1 month ago.
- 4.
Fixed Footer10+ active installs. No reviews yet, last updated 6 years ago. Tested only up to WordPress 5.4.25.
- 5.
PopCash Advertise ToolFewer than 10 active installs. No reviews yet, updated 3 days ago. Tested only up to WordPress 6.9.11.
All 5 plugins tagged “popunder”
PopCash Code Integration Tool
Down in the last 7 days:54#10,581by PopCash7 months ago
This plugin is designed to help the integration of the publisher code from PopCash.Net
- Installs
- 300+
- Rating
- 4.0(8)
- Downloads
- 11/day
Ultimate PopUnder
Down in the last 7 days:240#12,668by webmasterjunkie6 years ago
Add PopUnder links to your WordPress site and also track these events in your external marketing tools.
- Installs
- 200+
- Rating
- 5.0(2)
- Downloads
- 11/day
Init Ad Engine
Down in the last 7 days:303#18,660by Init HTML2 months ago
A lightweight and flexible ad engine for WordPress. Place banners, popups, sticky ads, and popunders across desktop and mobile with full control.
- Installs
- 70+
- Rating
- 5.0(1)
- Downloads
- 11/day
Fixed Footer
Down in the last 7 days:2,295#44,123by SamTyurenkov6 years ago
Setup a sitewide fixed footer block with content from any page,post or custom post type.
- Installs
- 10+
- Rating
- –
- Downloads
- 0/day
PopCash Advertise Tool
Down in the last 7 days:11,588#65,554by PopCash3 days ago
Automate PopCash advertising campaigns. Automatically creates campaigns when you publish articles via direct API integration.
- Installs
- <10
- Rating
- –
- Downloads
- 0/day