The app Tät was created within the research project econtinence.se in 2013. It was released for free in 2015 with an anonymous questionnaire incorporated. New versions with improvements regarding design, functions, texts, questions in the questionnaire and language have been released during the last years. The latest version is available in six languages.
At 1st of January, 100 000 persons had responded to the questionnaire in the app. The number of active users was doubled during the last year.