#NordVPN: 3 trackers (AppsFlyer, Google Crashlytics, Google Firebase Analytics)
#ThunderVPN: 2 trackers (Google AdMob, Google Firebase Analytics)
#SecureVPN: 2 trackers (Google AdMob, Google Firebase Analytics)
#ExpressVPN: 2 trackers (Google Crashlytics, Google Firebase Analytics)
#Surfshark: 3 trackers (AppsFlyer, Google Crashlytics, Google Firebase Analytics)
(DE) https://www.kuketz-blog.de/vpn-apps-wenn-sicherheits-apps-selbst-zum-risiko-werden/
