Based on our record, DAVx5 seems to be more popular. It has been mentiond 1 time since March 2021. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.
Depends entirely on how you configure it in your client, my Android Client (DAVx5, available on F-Droid, https://davx5.com ) offers:. Source: over 2 years ago
Outlook Google Calendar Sync - Offers calendar synchronisation between Outlook and Google, including attendees and reminders.
Truecaller - Find a person by a name or phone number worldwide for free using Truecaller.
EteSync - Secure, end-to-end encrypted and journaled personal information synchronization.
CallApp - Free Caller ID & Call Blocker app that allows mobile users to block phone calls, identify calls, blacklist unwanted callers and much more.
OutlookDAV - Synchronize between Outlook and CalDAV/CardDAVserver.
CallerSmart - CallerSmart is an application that is basically used for the purpose of looking up mystery phone numbers for free.