Klaviyo: Email Marketing & SMS

I am still inside the free version but I really love this app compared to other email marketing tools like mailchimp for example. The technical approach and possebilities are just on another level so is the support. There is always a friendly person answering in fast fashion as soon as I need some help. They helped me a lot along the way so far. Will most propably upgrade when its time...!!!! Go for the app when in doubt!!