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Best Calendar software

Discover the top Calendar tools — compare features, pricing, and the picks experts trust.

Top picks in Calendar

Ranked by combined ratings from expert reviews and user feedback

3 Ranked by reviews

Google Calendar

4.8 / 5

Spend less time planning and more time doing.

Pricing signal: Google Calendar is available for free to anyone with a personal Google Account, providi...

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Proton Calendar

3.2 / 5Free trial

Your calendar is worth protecting.

Pricing signal: Proton Calendar is included free with Proton Mail plans and offers flexible options sta...

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Cozi

2.5 / 5Free trial

The #1 family organizer app for shared schedules and household harmony.

Pricing signal: Cozi operates on a freemium model, offering a robust free plan for essential family org...

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Popular comparisons

Google Calendar vs Proton Calendar Google Calendar vs Cozi Proton Calendar vs Cozi

Calendar shortlist and buying criteria

Use this category page as the buying guide: compare the strongest tools, check price exposure, validate integrations, and open full reviews before committing.

Match features to your use cases

Check pricing and limits

Verify integrations and data export

Test with a free trial

Review onboarding, permissions, support, and renewal terms before choosing.

All Calendar software

Filter the full category list by pricing, trials, features, and rating.

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Shiftie

Staff scheduling made simple. Shiftie is a smart staff scheduling tool that simplifies rota planning, tracks availability, and improves team communication,...

4.2 / 5

Pros

Clear, per-user pricing with no hidden fees.
Generous 28-day free trial without needing card details.

Cons

Limited external user reviews make social proof difficult to assess.
May lack advanced features for very large, complex organizations.

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Cozi

Cozi is designed specifically as a trusted digital tool for busy families. It solves the headache of coordinating multiple schedules and maintaining...

2.5 / 5

Pros

Centralized family scheduling and coordination.
Effective sharing of lists (grocery, to-do, recipes).

Cons

Free version is now severely limited to a 30-day window.
Sudden pricing changes implemented with little customer notice.

Free trial

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Proton Calendar

Proton Calendar is designed to keep your personal scheduling private and secure. It offers the full functionality you expect from a modern digital calendar...

3.2 / 5

Pros

Event details are secured using zero-knowledge, end-to-end encryption.
Protected by strict Swiss privacy regulations and neutrality.

Cons

Widespread complaints regarding slow and unresponsive customer support.
Issues reported with subscription management and refund processing delays.

From $0/mo

Free trial

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Google Calendar

Google Calendar is a shareable online calendar designed to keep your plans right at your fingertips. It brings together personal, professional, and...

4.8 / 5

Pros

Free for basic personal use and task management.
Seamless integration with Gmail, Tasks, and the wider Google ecosystem.

Cons

Premium features require obfuscated pricing via a Google Workspace subscription.
The free tier limits users to only one Appointment Schedule booking page.

View Details Visit Website

Calendar comparisons

Compare Calendar tools side by side

Shiftie vs Tellent

Calendar buyer’s guide

What is Calendar?

Calendar tools help you streamline workflows, reduce manual work, and hit better outcomes with smart automation.

Why use Calendar tools?

Save time by automating repetitive tasks
Improve consistency and quality
Collaborate better across teams

How to choose

Match features to your use cases
Check pricing and limits
Verify integrations and data export
Test with a free trial

FAQs

Is there a free Calendar tool?
Many providers offer a free plan or trial so you can evaluate the product before paying.

Are these tools easy to use?
Modern {name} platforms focus on intuitive interfaces, templates, and guided onboarding.