This plugin will allow you to add subscribe notification checkbox to comments on your site.
Alternatives to ModulusTools Comment Notifications
Plugins below are selected for functional relevance and current directory signals. Active-install counts do not affect this ranking.
Relevant replacements
WordPress plugins with similar use cases
Compatibility and update metadata provide context, not a quality guarantee. Review each plugin’s details for your site.
Reliable WordPress email delivery with multiple providers, two connections, Return Path, Reply-To and visual AND/OR routing.
WP Comment Notificationv1.5.0
Choose who gets WordPress comment emails: send moderation and new comment notifications to your own list of addresses and the post author.
AJAX comments with layered spam protection and no CAPTCHA. Threaded replies, load more, and 5 editable notification emails. Free, no pro version.
This plugin allows visitors to subscribe to get answers to their comments via e-mail.
Fast, modern WordPress comments: threaded replies, upvotes, comment subscriptions, spam protection and a Disqus importer. Zero JavaScript on load.
Control who will receive new comment and moderation notifications. Light weight, simple, safe and effective.
Zero bloat, single purpose plugin that automatically sends email notifications when comments are approved. Lightweight and focused.
Subscribe to Commentsv2.3.3
Subscribe to Comments allows commenters on an entry to subscribe to e-mail notifications for subsequent comments.
Silences the notification emails that WordPress sends to the site administrator, and leaves every other email on your site alone.