What do you like best?
Stripo is by far the best and most robust email builder i have used, i have tried many competitors such as Mailchimp & Beefree, they do not come close to Stripo capabilities and functionality they bring emails for content creators and dev to a new ball game providing robust control over desktop and mobile view of the email, many builder lack compatibility with outlook and Firefox versions, Stripo covers all those issues. They are currently expanding the amount of different services they hook into which makes life much easier as well.
What do you dislike?
More control over mobile such as image size control for mobile, reverse columns if possible for mobile & align-content: top bottom etc, allow the free users to keep atleast 3 templates at a time, that would help improve overall conversion to premium users
Recommendations to others considering the product:
Stripo is the most robust, once you start using it , say goodbye to other mailers
What problems are you solving with the product? What benefits have you realized?
Robust and complex structure layouts are made simple with Stripo , i am not restricted to template layouts i can build custom layouts of my own, even create modules and reuse layouts that were already created