Based on our record, Referral HQ 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.
Here’s an example of one: https://referralhq.io/. Source: about 2 years ago
Best Referral Programs - A curated directory of startup referral programs
Waitlisted - Waitlisted helps new brands and startups build an audience while they focus on building a product
ReferralHero - Powerful referral marketing platform for honest marketers.
Abstract APIs - Simple, powerful APIs for everyday dev tasks
Troopl - Connecting people and companies via the magic of referrals
Waitlist API - Quick and easy waitlist with built in referral.