WordPress.org

This free internet marketing plugin is for people who want to setup one time offers and schedule pages and posts to expire (on visitor-by-visitor basis) and redirect expired visitors to a different offer or URL. Optionally, you can add an attention-grabbing countdown timer that will show visitors every second they’re losing by not taking action immediately!

Here are just few of the amazing features:

1. Turn WP pages (or posts) into one-time offers
2. Schedule expiration on specific date, time or period
3. Redirect expired visitors to a different URL/offer
4. Create perpetual expirations for automation
5. Set visitors to expire either by IP or Cookie
6. Set fixed-time expiration for all visitors
7. Plugin works with both WP Pages and Blog Posts.