10. citysocializer
According to the creators of citysocializer, the app is mostly used by people who just relocated to the new city and want to explore it while meeting some new friends. Citysocializer gets together people who have same interest by organizing events or allowing members to organize an event through the app. After you confirm you are coming, there is an option to chat with other people who will be there and get to know them better before meeting them in person.