Apps similar to VeritaMetrics include Rybbit, which is open source with a free version. Other options are Matomo, Google Analytics, Plausible Analytics and Vince. There's no shortage of Web Analytics Services like VeritaMetrics, with more than 50 alternatives for the web, self-hosting, Android, iPhone and Windows.
AppMetrix is a lightweight and privacy friendly website analytics tool. No cookies and fully compliant with GDPR, CCPA and PECR. Simple to set up and integrate with popular tools.
Insights is yet another analytics platform. Unlike most other solutions though, all data is fully anonymized, making it fully GDPR-compliant.
