The support team of Zonka and feature to embedded the question in any email template

The API is so easy to use and very usefull, plus the offline survey tools are excellent!

There are a plethora of features available in Zonca. Survey Builder is easy to use and offers many customization options. Templates can be used as a great starting point for creating surveys. These templates include a list of questions and sequences that will help you build an excellent survey. The system is simple and easy to use. Zonca's help section is quite exhaustive and detailed. Highly informative and well organized.