AT Period Predictor, product of Afanche Technologies, Inc. is a handy tool to predict your periods based on the past records. The operation is super easy, just report your period to the App, it will keep the record and predict the next one based on the past dates.
The prediction is intended as a guide only. It would need at least two contiguous reported periods to make the prediction for the next one.
With the help of the App, you will easily monitor your periods. Your period, in your control!