What is the Sefirat HaOmer application, how does it work?

According to the introduction of Lubavitch Networks, Sefirat HaOmer is a Books & Reference app on the Android platform. There is currently a 2.4 version released on Apr 09, 2018, you can see the details below.

Full 'Sefirat HaOmer' with the blessings
Reminders at night and in the morning
Highlighting the 'Omer' and 'tikun' in blue
A button to share the app with friends

Full 'Sefirat HaOmer' with the blessings
Reminders at night and in the morning
Highlighting the 'Omer' and 'tikun' in blue
A button to share the app with friends