PeriodVol

PeriodVol is a period tracker that measures what most apps ignore: how much you actually bleed.

Instead of only logging dates, PeriodVol estimates your flow in millilitres — each day and across your whole cycle — so you can see your real numbers. It flags when a cycle passes 80 ml, the clinical marker for heavy menstrual bleeding (HMB) — useful if you're tracking flow around menorrhagia, abnormal uterine bleeding, endometriosis, adenomyosis, uterine fibroids, or anaemia from heavy periods — so you can talk to a doctor with facts.

LOG WITH PICTURES, NOT NUMBERS
Tap the picture that matches what you used — a pad (by size and saturation), a tampon, or a menstrual cup (by capacity and fill) — and PeriodVol converts it to millilitres. Log clots and flow colour too.

KNOW WHAT'S NORMAL
A clear cylinder shows your cycle total with the 80 ml heavy threshold marked, and volume bars let you compare cycles over time.

PREDICTIONS
Log a few cycles and PeriodVol predicts your next period, ovulation, and fertile window on the calendar. (Estimates only — not a method of contraception.)

PRIVATE BY DESIGN
- No account, no sign-up
- No servers — your data never leaves your device
- No ads, no trackers; we never sell or share your data
- Optional PIN or fingerprint / face unlock
- Export a backup or delete everything anytime

PeriodVol is not a medical device. Volume figures are estimates based on product-absorption research and predicted dates may be inaccurate. Consult a healthcare professional for medical advice.