Key Features:

• Exit Intent!
• Open when user scrolled XX% page!
• Open after X sec of inactivity (no mouse or keyboards actions)!
• Google Analytics Event Tracking integration
• A/B Testing
• Traffic Bouncer popups
• Easy to Configuration (No coding required!)
• Great Popups Design (many color, many layouts)
• Highly Customizable!
• Translation Ready!
• Full APi integration with mailing services
• Free Upgrades
• You can create Unlimited Popups
• Display Popup on load page
• Display Popup on close/leave page
• Page level Targeting (different popups for each post/page, turn popup on/off for all page or for few pages/posts)
• Close button (show button: yes/no, custom close button text, auto close popup)
• Social Network Locker (you can lock page)
• Newsletter Locker (you can lock page)
• Statistics
• Time Display Settings (start date, end date)
• Open Delay (open popup delay in seconds)
• MailChimp Support
• MyMail Support
• Wysija Support
• AWeber Support
• GetResponse Support
• Campaign Monitor Support
• iContact Support
• Constant Contact Support
• Direct Mail for OS X Support
• Store Opt-ins in CSV file or Send by Email
• Submit Opt-in Form to Custom Url
• Facebook Support
• Facebook Likebox in Your Popup
• Twitter Support
• Google+ Support
• LinkedIn Support
• Pinterest Support
• Excellent Customer Support (24h)
• Powered by jQuery

Here are video tutorials – it will show you Ninja Popups in action.

1. How to install Ninja Popups for Wordpress
2. How to import popups to Ninja Popups for Wordpress
3. How to set first popup on home page in Ninja Popups
4. Difference between “Ready Themes” and “Theme Builder” popup themes
5. Ninja Popups – Theme Builder quick preview
6. How to set up popup on the certain (selected) Pages
7. How to use Exit Popup – Ninja Popups

Changelog:

4.4.7
- Theme Builder: Option to open link based on selected value in one of the select boxes
- Theme Builder: Option to add custom html
- WPMU DEV eNewsletter integration
- Minor bug fixes
4.4.6
- Option to open link in new window
- Fixed issue with preg_callback
4.4.5
- Mailster integration
- Hubspot integration
- Convertkit integration
- Jetpack integration
- Newsletter integration fix
- MailerLite bug fix
- Minor bug fixes
4.4:
- Sendgrid API v3.0 integration, 
- minor bug fixed,
4.3.9:
- minor bug fixes,
4.3.8:
- fix for Map element,
4.3.7:
- fix for old PHP versions,
4.3.6:
- minor bug fixed,
4.3.5: 
- Different cookies for each popups added, 
- Sendlane support,
4.3.4:
- E-goi fix,
4.3.3: 
- Theme Builder: added Google Map element, 
- Minor bugs fixed, 
4.3.2: 
- E-goi fix, 
- E-goi double opt-in support, 
- Minor bugs fixed, 
- Customer.io support, 
- Link on Theme Image added, 
- MailChimp field selector added, 
- MailerLite Bug fix, 
- Theme Builder: added YouTube element, 
- Subscribe2 Support, 
4.3.1: 
- MailRelay Support,
 4.3.0: 
- MailChimp Bug fix, 
- MailUp Support, 
4.2.9: 
- Subscription Log added, 
- Custom Fields names fixed, 
4.2.8: 
- exclude urls from exit popup by css class (noexitpopup), 
4.2.7: 
- ActiveCampaign double opt-in Support, 
- Fix for AWeber API (ip address), 
- Fix for ActiveCampaign API,
4.2.6:
- Sendreach Support,
- Newsletter Support,
- Ontraport Support,
- Minor bugs fixed,
4.2.5:
- Minor bugs fixed,
- MailChimp API Fixes,
4.2.4:
- SalesManago Support,
- SendPulse Support,
4.2.3:
- MailJet Support,
- Minor bugs fixed,
4.2.2:
- Fixes for Widget Add-on,
- Minor bugs fixed,
- SendGrid Support,
- BenchmarkEmail Support,
- Added Cookie Prefix in Advanced Settings,
4.2.1:
- AgileCRM Support,
4.2:
- MyEmma Support,
- SalesAutopilot Support,
- ElasticEmail Support,
4.1.5:
- Drag&Drop Builder: added pointlist,
- Drag&Drop Builder: aspect radio in image element,
- Fixes in Preview,
- MailerLite Support,
4.1.1:
- RocketResponder Support,
- fixed problem with 4.1 and Bars Add-on,
- fixed problem with popup import (WXR_Parser_SimpleXML),
4.1:
- fixes in Drag&Drop Builder,
- fixes in Popup Library,
- fix for cookie path,
4.0:
- Drag&Drop Theme Builder,
- Popups Library,
- ActiveCampaign Support,
- FreshMail Support,
- SendInBlue Support,
- Minor bugs fixed,
- Infusionsoft API fix,
- Performance fix,
- Referer url in mail footer,
3.9:
- minor bugs fixes,
- Infusionsoft API fix,
3.8.2:
- Fix in Constant Contact integration, 
3.8.1:
- Improved WPML Support,
v3.8:
- e-GOI support,
- Better compatibility with CloudFlare, 
v3.7:
- JS Performance fix,
- PHP fixes,
v3.6:
- Auto Updates,
- SendPress Support,
- Select Popups by Taxonomies,
- MyMail: double/single optin setting,
- Added New Theme 8,
- PNGs optimalization,
- Performance updates,
- Minor bugs fixed,
v3.5:
- MyMail 2.0 Support,
- better Custom Fields validation,
- minor bugs fixed,
v3.4: 
- statistics reset link, 
- setting Popups by Categories, 
- better WooCommerce support, 
- MailChimp: send welcome message setting, 
- Constant Contact: send welcome message setting,
v3.3.4
- few minor bugs fix
- z-index fix
v3.3:
- Open Popup on Scroll,
- Open Popup after X sec of User Inactivity,
- Google Analytics Event Tracking,
- Cloning popups feature,
- One button mode in New Theme 6 and 7
- JS and CSS fixes and optimization,
- fixes in A/B testing,
v3.2.1: 
- 2 New Themes (traffic bouncer popups), 
- Sendy.co API Support, 
- hidden type in custom fields, 
- added GET/POST/COOKIE variable to prevent loading popup (http://domain/page?nphide=1) 
- selftest warning (check CURL, safe mode, WP version), 
- FB locale settings, 
- CSS fixes in the themes,
- no more cookies feature
v3.1:
- A/B Testing,
- Analytics,
- Improving performance (JS, CSS),
- Double/Single Optin option for MailChimp,
v3.0.2
- fix for few minor bugs
v3.0.1
- fix for new themes
- small bugs fix
v3.0
- 5 New Themes,
- MadMimi support,
- Infusionsoft support,
- Custom Fields support,
- Exit Intent, 
- Success message after submit,
- Fixed many small bugs,
v2.5
- fix for new MailChimp API,
v2.4
- new MailChimp API,
v2.3
- general fixes,
- fixes for minor CSS bugs,
v2.2
- fix for files paths,
- better HTML Forms support,
- Direct Mail for OS X support,
v2.1
- fixes in responsive layouts, 
- option for open popup by link in menu, 
- multiple mailing lists,
v2.0
- general fixes,
- fixes in responsive layouts,
v1.9
- responsive,
v1.8
- added: disabled welcome/exit popup for logged users,
- added: exit popup for external links in menu, sidebars, footer etc.
- fixed minor bugs,
v1.7
- Added button for shortcodes, 
- Fix for last/first name in opt-ins,
v1.6.2
- Loading text on submit button,
- renamed jquery.cookie.js to jquery.ck.js,
- general fixes,
v1.6.1
- new media uploader,
v1.6
- new themes,
- general fixes,
v1.5
- option for disable plugin columns in posts/pages list,
- fixed minor bugs,
- MyMail support,
v1.4
- Wysija support,
- fixed minor bugs,
v1.3
- AWeber support,
- fixed conflict with themes based on nhp framework,
- fixed problem with shortcode and content builder plugins,
- added autoopen param to shortcode,
- fix for links with singles quotes,
- better catching when user is leaving website  in exit popups,
v1.2
- fixed bugs in JS, 
- fixed bugs in CSS, 
- fix for windows server, 
- added Google Maps Popup, 
- fixed bug in preview.
v1.1
- fixed placeholder in IE,
- added shortcode for open popup by link in content,
- added "Redirect after opt-in",
- added column Ninja Popups in posts/pages list,
- added cookie settings.