Newsletter Popup Addon GPL Overview:
Popup Extension for Newsletter adds a subscription popup with few options to set how it should show. The subscription form is exactly the same form you embed on a page or shows with the Newsletter widget.
Important update: you should consider Leads Extension which is a big improvement over the old Popup Extension.
Features
The popup can be extended with themes, similar to the theme system of the newsletter composer. Actually there is a default theme and a more features rich theme.
About Newsletter Popup Extension
Newsletter Popup Extension is a premium WordPress plugin developed by Stefano Lissa. Adds a popup subscription system to the Newsletter plugin. Automatic updates available setting the license key on Newsletter configuration panel. It is distributed under the GPL v2 or later licence, which means you can install it on an unlimited number of websites — including websites you build and manage for your clients.
Compatibility & Requirements
Newsletter Popup Extension requires WordPress 5.0 or later, and has been tested up to WordPress 6.7, and requires PHP 7.4 or higher. Each release is reviewed for compatibility before listing, giving you a hassle-free installation experience. This listing reflects version , updated within 24 hours of the upstream release.
Understanding the GPL Licence
The General Public License (GPL) is the same licence under which WordPress itself is released. It guarantees your freedom as a user: install Newsletter Popup Extension on unlimited websites, modify it for any project, and pass it on freely. There are no per-site fees, no activation locks, and no expiry dates. Our service simply ensures you receive a clean, tested copy at the lowest possible price.
Why Download from digitalgpl
- Latest version guaranteed – Newsletter Popup Extension matches the most recent upstream release.
- Unlimited domain usage – Personal sites, client projects, and staging servers are all covered.
- Instant delivery, 24×7 – Your download link arrives immediately after payment, day or night.
- Verified before listing – Every file is tested for clean installation and conflict-free activation.
- Encrypted checkout – Payments are processed through 256-bit SSL secured gateways.
- No renewal fees – One payment covers you indefinitely. No subscriptions, no surprises.
Before You Download — Quick Answers
Will Newsletter Popup Extension break my existing site?
Newsletter Popup Extension has been tested up to WordPress 6.7 and PHP 7.4. We recommend always testing on a staging site before installing on live production.
I build sites for clients — is one purchase enough?
One purchase covers unlimited installations. The GPL v2 or later licence that Newsletter Popup Extension is released under has no domain or site limits — neither does digitalgpl.
My host uses PHP 7.4 — any issues?
None at all. Newsletter Popup Extension requires PHP 7.4 as a minimum version, so your hosting environment is perfectly compatible.
What if Stefano Lissa releases an update next month?
Log into your digitalgpl account and re-download for free. We keep our files current within 24 hours of any upstream release.
Is it safe to buy a GPL plugin from a third-party store?
Yes. The GPL licence was created specifically to allow this. Any developer who releases software under GPL grants everyone the legal right to redistribute it. That is the foundation of the open-source WordPress community.
Official developer page: http://www.thenewsletterplugin.com/plugins/newsletter
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