Apple Calendar vs Etar : Which is Better?

Apple Calendar

Calendar is a personal calendar application made by Apple Inc. that runs on both the macOS desktop operating system and iOS mobile operating system. Developed by Apple

License: Free

Categories: Office & Productivity

Apps available for Mac OS X iPhone iPad iCloud

Etar

Etar is a material design calendar. Developed by Etar-Group

License: Open Source

Categories: Development Office & Productivity

Apps available for Android Android Tablet

Apple Calendar VS Etar Feature comparision

Feature	Apple Calendar	Etar
Sync with iCloud
Week Planner
Address book integration
Built-in Calendar
Calendar integration
Exchange
Encryption
Privacy Protected
Privacy focused
Authenticated encryption
CardDAV
CalDAV
Task Management
Ad-free
Lightweight
Material design
GPS Location Tracking
Customizable
Events
Notifications
Email tracking
Run in background
Bundled with Windows
Apps that Sync with Google Calendar
ICloud Integration
Contacts
Convert Email to Task
Feed Reader
Standalone
Portable
Reminders
Data export/import
IFTTT integration
Reminder for deadlines
Sync with Fantastical
Multiple languages
Artificial intelligence
Google Calendar integration
Cloud sync
Nextcloud integration
Todos