This page is public — you do not need a riri.ink account.
Multi-scale proximity reminders: when you arrive, nearby, or same room. If you are already close and still ask to be reminded when you get close, the app waits for the next tighter band. Editor lets you pick the scale.
Open this page in Safari on the provisioned iPhone. Chrome and Brave cannot start Ad Hoc installs.
After install: Settings → General → VPN & Device Management → trust the developer certificate if asked.