Simple and convenient interface. Flexible settings. There is a widget (simple 1x1 and advanced 2x1).

+ Replacement lenses in one touch
+ Conserve battery, runs as needed
+ Skip days function (when you are not used lenses)
+ Two types widget
+ Counts spare lenses
+ Snooze reminder (for an hour or two, until the evening or until tomorrow)
+ Stores your prescriptions
+ Automatic skip days (if you want to discontinue use for a few days)