First, myCal PRO is an excellent calendar app. I would recommend it highly as one of the best, if not the best, replacement calendar app for the iPhone/iPad. I currently have Calendars+, CalenMob, myCal PRO, Week Agenda, and, of course, the default Calendar app installed. They each have certain advantages, but myCal PRO is highly competitive and, with a few enhancements, could easily dominate.
One great feature of myCal PRO is that it appears to refresh/download updates to the calendars, unlike Calendars+. So if I make changes to my work calendar in Outlook, those changes won't show up in Calendars+ until I open either the Apple calendar app or myCal PRO, which triggers downloading the updates/re-syncing the calendars.
Second, here are some feature requests/suggestions:
1. Add a refresh button to manually refresh/re-sync the built-in calendars (if this is possible).
2. Add an option for 7 day split to start on Today. (If today is Sunday, start the week on Sunday and show the next seven days. If today is Wednesday, start the week on Wednesday and show the next seven days.)
This would be a great feature because I want to see what's coming up and I don't care about what has already happened.
3. Add a list view that shows as many upcoming events (not just today's events) in a list as will fit on the screen (adjustable font size would be great).
Calendars+ has the best implementation of this, followed by CalenMob, then Apple. The list view is my preferred default view, so I currently use Calendars+ to see what's coming up, even though I prefer myCal PRO for all other views.
4. Enhance data/time selection to use a format similar to Calendars+ or CalenMob.
I prefer the format of CalenMob, but Calendars+ is good too. Being able to select a date from a calendar and easily switch and also select the time makes adding events a lot easier.
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Thanks for a great app!