Phasora | Flutter AI Period Tracker App Template

The dates are arithmetic. The model only writes them up.
Phasora predicts the next period, the phase you are in and a fertile-window estimate by averaging the dates the user entered — on the device, in plain Dart, with no model involved. Run it twice and you get the same answer, which is why the bundled tests can assert on a prediction.
An AI provider is asked to do exactly two things: turn a line of the user’s own words into tags from a fixed list of twelve, or rewrite figures the app has already computed as a paragraph. It is never asked when a period is due. The Insights screen shows the exact block of text that gets sent, in the shipped app, so the claim is one anybody can check.

Runs out of the box
Demo Instructions — the sign-in scre