The All-in-One software answer for online surveys and mystery shopping.

QS-Check is a specially designed survey and mystery shopping software, with the know-how from more than 150,000 surveys and test purchases, with detailed and thorough knowledge of the development of online based software, merged in an ALL-IN-ONE-program.

QS-Check covers all topics relating to the workflow of online surveys and mystery shopping: Building and maintaining panels, questionnaire preperation and programming,as well as processing and evaluation results from completely web-based online courses.

Since 2000 the Delogix GmbH software for conducting online surveys and mystery shopping has been one of the first and most experienced manufactorers and providers of mystery shopping worldwide.