Based on our record, Newsletter Spy 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 would suggest using Newsletter Spy to get data about some top newsletters and subsequently add some to your site. Source: about 3 years ago
Submit.co - Find where to get press coverage for your startup
iCrowdNewswire - iCrowdNewswire is a marketing technology, software and newswire company deploying communications software and technology with key partners in specialized market segments including markets that are largely underserved.
LetterWell - Buy and sell ad space in email newsletters
GlobeNewswire by Notified - GlobeNewswire by Notified is a leading provider of global press release distribution and digital PR software for professional communicators.
Instaaa - Promote your startup using AI-powered outreach
Hypefactors - PR Automation made simple. Hypefactors is software for Earned Media Professionals. All the tools to support the PR workflow.