What are some alternatives?
Best Referral Programs - A curated directory of startup referral programs
Viral Loops for Startups - Virality for startups made easy 💪
How to grow like Dropbox - Build a Dropbox-style referral with this useful tool ✌️
GiveYaw - Online giveaways made easy 🎁
Landing Pages by Viral Loops - Easily create a landing page for your referral campaign ✌️
Viral Growth Calculator - Calculate whether your referral loop will go viral