iCyclus - Track your Menstrual Cycle and Fertility - Menstrual Calendar app for iPhone and iPad

CALENDAR
Track and record your periods/ menstrual cycle
Predict your next period/ planning next months
Predict next ovulations
Colored fertlity levels
Fertility level or period are highlighted in the date bar
Add date and time of your period
Supports the following date and time formats:
MM/DD/YYYY hh:mm a.m./ p.m.
DD/MM/YYYY hh:mm a.m./ p.m.
DD.MM.YYYY hh:mm

PREDICTIONS
Predictions are calculated by statistical analysis of your cycle lengths
Varying cycle lengths are analyzed
Number of dates to be considered/ adaptive cycle length
Predicted next period range is marked in calendar
Predicted next fertile days are marked in calendar
Calculates predicted birth date in planning a baby mode
Mean cycle deviation
Reliability of prediction

MODE
Natural contraception mode
Planning a baby mode
Different colors for natural contraception and baby planner
am/pm or 24h mode
Select US or European date format
English/ German