The ease of use, They have many kind of automation possibilities and segmentations, They have great integration with Magento 2

The integration by extension Remarkety design for Magento V2 works seamlessly.

I've been very happy with Remarkety as a company and service. The staff are extremely friendly and helpful in every way, from onboarding to training to customization. The service produces beautiful and effective emails, both newsletters and automate drip campaigns -- and delivers them with dependability, flexibility and good deliverability.