Gisele Bundchen And Insight Timer Respond To The Impact Of COVID-19 On Mental Health By Leading Free Guided Meditations And Live Events On Insight Timer In English And Portuguese. Insight Timer, the world's largest free meditation app for anxiety, stress and sleep, today launches a bilingual partnership with philanthropist, environmentalist and meditation enthusiast, Gisele Bundchen. Bundchen has been using Insight Timer for meditation for over 4 years and was inspired by the app's mission