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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 Let's Calendar?

Let’s Calendar is the world’s most advanced bulk calendar invitation tool, empowering event managers, conference coordinators, webinar administrators, and meeting organizers to send thousands of calendar invites in a single action. It’s designed to help block participants’ schedules by sending detailed event information, significantly improving attendance rates and simplifying event planning. Hosted securely on Amazon Cloud, Let’s Calendar incorporates strong privacy controls that protect your contact lists and event data throughout the upload and sending process. Users can launch a campaign by uploading contact details and sending invites with just one click, trusting the platform to handle all technical aspects seamlessly behind the scenes. Invitations are sent discreetly from your own email and sender name, ensuring recipients do not see each other’s information, preserving confidentiality. The system guarantees compatibility with all devices, operating systems, browsers, and adjusts automatically for multiple time zones to accommodate global audiences. Its automation eliminates manual scheduling tasks and reduces administrative overhead, making it ideal for large-scale or recurring events. Let’s Calendar also ensures high deliverability and consistent branding across all invites, fostering trust and professionalism. Event organizers gain real-time confidence that invitations reach intended recipients securely and on time. Overall, Let’s Calendar revolutionizes mass calendar invite distribution by combining ease of use, security, and powerful automation for event success.

Media

Media

Integrations Supported

Pabbly Connect
Proton Mail
Zapier
Zoom

Integrations Supported

Pabbly Connect
Proton Mail
Zapier
Zoom

API Availability

Has API

API Availability

Has API

Pricing Information

Free
Free Trial Offered?
Free Version

Pricing Information

$49.99 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

Manomay Informatics LLC

Date Founded

2017

Company Location

United States

Company Website

www.manomayinformatics.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

Calendar

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

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