We record each time you reply to a check-in and retain this data for 7 days unless you fail to check-in. Your last-known location is logged when you use the app. You can opt out of sharing your location.
We do not share your personal information with any 3rd-parties, however, like for most sites and apps, your browser information may be shared with our analytics providers to help us measure page performance and other usage statistics. You're welcome to block these 3rd-party scripts and can learn more about them in our privacy policy.