The counter on this page. The anonymous id is derived at the edge and dies at midnight UTC, so no consent banner is needed and the App Store privacy label stays “Data Not Linked to You”. Web script plus a Swift package and a Kotlin Multiplatform client post the same schema to the same endpoint.
superduper-analytics
One cookieless, self-hosted counter for every site and app: a Cloudflare Worker, Analytics Engine, a daily D1 rollup. No cookie, no per-person id, installs attributed per store campaign token.