The Erasmus + program has now an application that will allow you, as stated in the European Commission web page, to «easily track your progress before, during and after the mobility; to share and vote for your preferred tips to help other integrate into the local community; and to improve your language skills via a direct link to the Erasmus+ Online Linguistic Support platform».
For more info, consult the web page of the European Commission: https://ec.europa.eu/programmes/erasmus-plus/news/launch-erasmus-mobile-app_en