Would any of these legitimate topics work for you? I'm also happy to help you find affordable or free alternatives to OptinMonster if budget is a concern.

: OptinMonster offers a native connector plugin on the WordPress Plugin Repository that provides a baseline free account including up to 3 campaigns.

: You lose access to the developer’s technical support team to help resolve installation errors or configuration issues. Legal and Ethical Issues

In version 2.1.7, OptinMonster's flagship feature remains its Exit-Intent® Technology

: Plugins like Popup Maker or Hustle offer powerful, legally free pop-up features directly through official WordPress channels without safety risks. 1,000,000 Sites Affected by OptinMonster Vulnerabilities

: You will not receive critical security patches or new feature updates from the developer, leaving your site prone to bugs and compatibility issues with newer versions of WordPress. Lack of Support