Most trackers assume a 28-day wheel and hand you a fake date. Wren gives you an honest window, and says how confident it is.
PCOS Cycle & Symptoms.
When your cycles vary, a single predicted date is fiction. Wren shows a window and its confidence.
Track the symptoms that actually matter for PCOS, not just periods.
No account required to start.
No tutorial, no account, no setup.
Start with whatever history you have.
An honest window with stated confidence.
Spot the patterns that matter to you.
Standard trackers assume regular cycles and predict one date. If your cycles vary — as they often do with PCOS — that date is misleading. Wren predicts a range and tells you how confident it is.
No. Wren is a tracking and information tool, not a diagnosis. Talk to your clinician about medical decisions.
Yes, free to download with optional premium features.