The service features
1. A large number of settings.
Different colors, buttons, size, movement with the page, the ability to collect emails, etc.
2. Adaptability
If you are sitting from a computer, right now grab the browser by the corner, reduce the size of the window and see for yourself.
3. Sufficiently detailed analytics
Number of impressions - 1, conversions - 2, percentage conversion - 3.
4. Creation of widgets in the form of a line in the header of the site
5. Suitable for mobile and desktop versions of the resource
6. A/B testing of banners
7. The interface in English, the widget text is recognized in any language
8. Targeting