Your calendar is a record of your life. Proton Calendar helps keep it private.




There are many alternatives to Google Calendar for iPhone if you are looking for a replacement. The best iPhone alternative is Proton Calendar, which is free. If that doesn't suit you, our users have ranked more than 100 alternatives to Google Calendar and loads of them are available for iPhone so hopefully you can find a suitable replacement. Other interesting iPhone alternatives to Google Calendar are Tuta Calendar, Fantastical, Apple Calendar and Morgen.
Your calendar is a record of your life. Proton Calendar helps keep it private.




Tuta Calendar offers secure event organization with end-to-end encryption and no ads or tracking. Enjoy multi-device sync, multiple calendar views, and offline access. Fully compliant with strict German data protection laws. Manage recurring events, unlimited calendars, and seamlessly integrate with Tuta Mail.




Simplify scheduling with natural language input, major platform sync, vibrant color-coded views, personalized writing style recognition, task and conference call integration, and customizable widgets for comprehensive calendar management.




Keep track of your busy schedule and share it with others using Calendar. Create separate calendars — one for home, another for school, a third for work, and so on. See all your calendars in a single window or choose to see only the calendars you want.




Brings together calendars, to-dos, productivity apps, and schedulers in one platform. Integrates with major services like Google Calendar, iCloud, Todoist, and video conferencing tools such as Zoom. Offers native scheduling similar to Calendly, enhancing time management efficiency.




Experience a fully integrated calendar with Notion, syncing events from Google Calendar, offering built-in scheduling, time zone support, and the ability to connect multiple accounts. Manage all events, personal and work, with a modern design, light and dark modes, and Lock Screen support for iOS 17.




This app is tailored for families, couples, friends, and groups, providing end-to-end encryption for secure data, seamless calendar creation, syncing, private chats, and widgets for easy access, ensuring you never miss an event.




This app helps you focus on managing your schedule with essential features.




fruux is a free service that takes care of your contacts, calendars and more so you don't have to. Never manually copy contacts and calenders between your devices again!

Calendly can connect with up to six of your calendars to automatically check availability and help you connect with your best contacts, prospects and clients.




BusyCal is the most powerful, flexible, heavily customizable, reliable calendar app for macOS. It's packed with time-saving features and compatible with all leading cloud services including Reminders, iCloud, Google, Exchange, Office 365, Yahoo, Fastmail, Fruux, Kerio, Zoom...




TimeTree is a calendar app designed around the concept of shared schedules and communication.




Looks very nice and clean, works well, has loads of features and is mostly free. My one complaint (and the reason I will be using calendar.online instead) is that there is no horizontal version for android tablets. I don't want to use my android tablet vertically.