Based on our record, Proof seems to be more popular. It has been mentiond 1 time since March 2021. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.
I've used https://useproof.com/ before, and it worked really well, and increased conversions about 8%. Source: over 2 years ago
Hunter - Find all the email addresses related to a domain
Fomo - Fomo turns your site into the online equivalent of a busy store
Snov.io - More leads. More sales. More revenue.
Nudgify - Nudgify is a Social Proof App that includes FOMO, Urgency and Review Nudges. Adding Social Proof notifications to your site helps you build trust and increase conversions on Shopify, Wordpress or any other platform.
MailDump Verifier - Powerful Emails Verifying Tool that helps verify email address or validate email addresses
Picreel - Recover abandoning visitors and turn them into customers