The support staff, from the most senior to the more recent, are excellent, courteous and available 24x5. They are most helpful in in real time text exchanges and emails.
From simple survey designs to more complex operations, QP has been an excellent resource. Most importantly the support has been excellent from the outset.
That I can make an easy Survey really fast and can individualize it. Its great how helpful and quick the support is.
QuestionPro blamed the missing data on our respondents not filling in the data.
After some back and forth, they let us have it if we paid in bulk for a few months. Then, once we were collecting our data and exporting it, we realised there was missing data.
E-mails are badly formatted, validation is required for surveys with many users and it was not easy, and they have an article talking about using their SDK, but they do not have an SDK available.