Na serveru Slunečnice.cz je zajímavá iOS aplikace:

Days by Limbua 3.1

Your days are numbered – and that's a good thing! Days gives a new perspective to your calendars by grouping events by the number of days until they occur. Days uses the calendars you already have set up – all of the calendar names and colors are just as you have them now. Days even allows you to…

Adresa: https://www.slunecnice.cz/sw/days-by-limbua/