Following the rules is the easiest way to follow your rules!
Characteristics:
* Take daily notes of moods, symptoms and intimacy.
* Easily display the number of days until the next period or the number of days late.
* Add a widget to your home screen to display a countdown for your next period
* Follow advanced fertility characteristics such as cervical mucus and postures.
* Customize your application with your choice of skins.
Supported Android
{Varies with device}
Supported Android Version:-
Jelly Bean(4.1–4.3.1)- KitKat (4.4–4.4.4)- Lollipop (5.0–5.0.2) – Marshmallow (6.0 – 6.0.1) – Nougat (7.0 – 7.1.1) – Oreo (8.0-8.1) – Pie (9.0)