What are some alternatives?
When comparing Simple Calendar and Google Calendar, you can also consider the following products
Lightning Calendar - Organize your life — it’s about time!
Outlook - Organize your world. Outlook’s email and calendar tools help you communicate, stay on top of what matters, and get things done.
MineTime - MineTime is a free, modern and multi-platform calendar application.
Business Calendar - Powerful and easy to use calendar app for Android including weather, widgets and tasks.
Apple Mail - There’s big news attached.
Rainlendar - Rainlendar - Customizable desktop calendar