Four Squares does not collect any private or sensitive data itself. It does, however, contain an SDK provided by a third party that does collect and record user data.
Fabric is used to integrate Crashlytics. Crashlytics is used to collect crashes that occur within the app. For more information visit Fabric's Privacy and Security page.
Four Squares 1.0.0 uses the Crashlytics 2.2.9 and Fabric 1.1.1 SDKs.
Google Analytics is used to collect analytics about the usage of the app. For more information visit Google's help page.