"Device data, such as your computer and mobile device operating system type and version number, manufacturer and model, push tokens, browser type, screen resolution, IP address (and the associated city/country in which you are located), and the website you visited before visiting our Site. ... We may collect this information directly or through our use of third-party software development kits ("SDKs"). SDKs may enable third parties to collect information directly from the App."
FaceApp collects detailed device fingerprinting data (OS version, model, screen resolution, browser type, referral sites) and uses third-party SDKs that can collect data directly, enabling cross-service tracking and profiling.