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
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ReferralHero - Powerful referral marketing platform for honest marketers.
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AngelList Track - Mission control for recruiting.