Luna - Private Period Tracker – 100% on-device AI for private period predictions

Summary: Luna is a period tracker that processes all data locally using on-device AI, ensuring user privacy by never sending information to the cloud. It provides 99% accurate predictions for periods, ovulation, and symptoms without requiring an internet connection or account.

What it does

Luna tracks menstrual cycles, ovulation, and symptoms using Core ML-based AI entirely on the user’s device. It calculates fertility windows and recognizes symptom patterns without cloud or server involvement.

Who it's for

It is designed for users seeking a private, offline period tracking app that does not share or store sensitive health data externally.

Why it matters

Luna addresses privacy concerns by ensuring intimate health data never leaves the phone, protecting users from data breaches and unauthorized access.