Best Calendar Apps for iPad

Spike brings your entire workspace into your Inbox: email, chat, calendar, calls, team collaboration, tasks — to one powerful Inbox. Everything you need to get your work done is in a single feed, so you can finally give the app-switching a rest. Spike’s conversational email fuses traditional email with instant messaging — eliminating cluttered email threads. With real-time conversations and live collaboration, have better interactions and a more human communication experience. Spike is available on iOS, Android, Mac, Windows & Web.

Tuta Calendar is a zero-knowledge calendar with quantum-safe encryption, ensuring that all your events are protected from snooping and prying eyes. Whether you schedule events, receive event invitations, or share your calendar with others, all steps in the Tuta Calendar are automatically encrypted end-to-end. This means your data belongs to you, and no one else can access it. The intuitive, clean design allows for easy organization of appointments, business meetings, and repeating tasks. Push notifications are sent securely, so no third party can track you. Two-factor authentication can be enabled to protect your login credentials from malicious attacks. Tuta Calendar is available with free and open source desktop clients. You can share calendars and events with your family, organization, or company with a few taps.