is a powerful referral marketing tool that makes it easy to add a powerful referral program to your newsletter or email list in just a few clicks.
You can use it to
your existing audience for referring new subscribers. Exactly like how Morning Brew and The Hustle grew to millions of subscribers.
"SparkLoop is my newsletter secret weapon. It took 10min to install and my email list has grown 5% a month since. Absolutely a no-brainer."
NICHOLAS PLATT, LIFESPAN