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Ratings and Reviews 14 Ratings

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What is Proton Calendar?

Proton Calendar acts as a detailed log of your daily activities while placing a high emphasis on your privacy. It provides automatic end-to-end encryption to keep all of your scheduled events secure. Moreover, events that are shared by users of different calendars benefit from zero-knowledge encryption, ensuring that sensitive information like titles, descriptions, locations, and guest lists remain private, protecting it from even Proton itself. This unique service enables you to manage your appointments effectively while also preserving your personal data. Created by the team behind Proton Mail, the world's largest encrypted email service, Proton Calendar has garnered a user base of over 50 million, which includes various well-known organizations. Furthermore, this calendar comes with a Proton Mail address, allowing you to send secure invitations for events, which significantly boosts your organizational abilities. You can also quickly add new appointments to your calendar straight from your Proton Mail inbox, making the process of scheduling even more efficient and user-friendly. With its innovative features, Proton Calendar not only helps you stay organized but also reinforces the importance of data privacy in our digital age.

What is Calendly?

Calendly is a scheduling automation platform that helps individuals, teams, and businesses simplify the process of booking meetings. Instead of coordinating over email, users can set availability preferences and share a personalized link. Invitees choose a time that works, and Calendly handles the rest—from calendar syncing and time zone adjustments to confirmations and reminders. Designed to support a wide range of scheduling needs, Calendly offers options for one-on-one meetings, group events, collective scheduling with multiple team members, and round robin distribution for routing meetings to the right person. This flexibility makes it a fit for sales, marketing, recruiting, customer success, and service-based businesses. Calendly integrates with tools like Google Calendar, Outlook, Zoom, Microsoft Teams, HubSpot, Salesforce, Slack, Stripe, and others, allowing teams to embed scheduling directly into existing workflows. Admin controls, analytics, and enterprise-grade security features ensure Calendly works seamlessly at scale. Whether you're a solo professional or part of a global organization, Calendly makes it easy to book meetings, save time, and improve how you connect with others.

Media

Media

Integrations Supported

123worx
AWeber
Aritic Sales
Chaskiq
CoRover.ai
Embedery
Empiraa
Evidenced
LouiseBot
Marketo
Mazaal AI
Nexa
OneHash CRM
Pitch Avatar
QPage
Rambox
Scoro
Supaboard
Velvet
straight2voicemail

Integrations Supported

123worx
AWeber
Aritic Sales
Chaskiq
CoRover.ai
Embedery
Empiraa
Evidenced
LouiseBot
Marketo
Mazaal AI
Nexa
OneHash CRM
Pitch Avatar
QPage
Rambox
Scoro
Supaboard
Velvet
straight2voicemail

API Availability

Has API

API Availability

Has API

Pricing Information

Free
Free Trial Offered?
Free Version

Pricing Information

$10 per user per month
Free Trial Offered?
Free Version

Supported Platforms

SaaS
Android
iPhone
iPad
Windows
Mac
On-Prem
Chromebook
Linux

Supported Platforms

SaaS
Android
iPhone
iPad
Windows
Mac
On-Prem
Chromebook
Linux

Customer Service / Support

Standard Support
24 Hour Support
Web-Based Support

Customer Service / Support

Standard Support
24 Hour Support
Web-Based Support

Training Options

Documentation Hub
Webinars
Online Training
On-Site Training

Training Options

Documentation Hub
Webinars
Online Training
On-Site Training

Company Facts

Organization Name

Proton AG

Date Founded

2014

Company Location

Switzerland

Company Website

proton.me/calendar

Company Facts

Organization Name

Calendly

Date Founded

2013

Company Location

United States

Company Website

calendly.com

Categories and Features

Appointment Scheduling

Appointment Reminders
Automated Scheduling
Calendar Sync
Client Database
Group Scheduling
Mobile Access
Multi-Location
Online Booking
Online Payments
Recurring Appointments
Room Booking Management

Calendar

Calendar Sync
Collaboration Tools
Multi-Device Support
Reminders
Room Booking
Scheduling
Task Manaagement

Productivity

Collaboration
Database Creation
Document Creation
File Sharing
Notes Management
Office Suite
Presentation Tools
Project Management
Task Management
Team Chat

Categories and Features

Appointment Scheduling

Appointment Reminders
Automated Scheduling
Calendar Sync
Client Database
Group Scheduling
Mobile Access
Multi-Location
Online Booking
Online Payments
Recurring Appointments
Room Booking Management

Calendar

Calendar Sync
Collaboration Tools
Multi-Device Support
Reminders
Room Booking
Scheduling
Task Manaagement

Scheduling

Alerts/Notifications
Appointment Scheduling
Automated Scheduling
Calendar Management
Class Scheduling
Employee Scheduling
Facility Scheduling
Group Scheduling
Interview Scheduling
Meeting Room Booking
Multi-Location
Online Scheduling
Payment Processing
Real-time Scheduling
Reservations
Resource Scheduling
Room Booking Management

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