Calendars by Readdle gives you access to a free 7-day trial so that you can experience the app to the full. At the end of the free trial period, you can continue with the free plan or choose the PRO plan.
With a free plan: you get a basic calendar. It’s handy for a fairly even pace of work and life when you need to know what day of the week it is or see if you have accidentally forgotten your boss’s birthday.
With a PRO plan: you get a superpower to own your time. The PRO plan will cost you $19.99 a year, giving you access to Calendars across devices on Mac, iPhone, iPad, and even your Apple Watch. The PRO plan includes unlimited use of Planner on Mac, tasks, multiple accounts, recurring events, natural language input, reminders, and more.
Those who already have a subscription for Calendars by Readdle on their iPhones get all the new features and access to the Mac version at no extra cost: