Lumi — Cycle Calendar

Lumi is a menstrual cycle calendar and personal diary for your iPhone. Completely free, with no account, ads, purchases or subscription. A FORECAST WITH HONEST UNCERTAINTY Cycles can vary. Lumi shows an estimated range for your next period, its confidence level and the number of cycles used in the calculation. Predictions look different from your records: a dashed outline marks an estimate, while a solid fill marks logged days. Shapes and outlines complement color. With the “Follow my cycle” goal, the calendar shows periods and forecasts. Conception days and estimated ovulation are available with “Plan a pregnancy.” Predictions do not confirm ovulation and must not be used as contraception. RECORD TODAY OR ANY PAST DAY Log flow intensity, symptoms, mood and notes. Sexual contact and insemination entries are available with every goal, from your first day using Lumi, without a cycle…