Independent Comparison · 2025

Google Calendar
vs the Alternatives

An objective look at the top calendar applications in 2025 — features, pricing, and who each one is best for.

500M+
Google Calendar users
6
Apps compared
12
Features evaluated
Q1
2025 data
1
At a Glance — All Six Apps
Key metrics for each platform
📅
Most Used
Google Calendar
Google · Alphabet Inc.
500M
users
Monthly active users · 2025
Ease of use
9.2
Integration
9.6
Collaboration
9.0
Value
10
Best overall choice for most users. Free, deeply integrated, and available on every platform.
📧
Enterprise
Outlook Calendar
Microsoft · M365 Suite
400M
accounts
Microsoft 365 business users
Ease of use
7.0
Integration
9.5
Collaboration
8.8
Value
6.5
The top pick for organisations already using Microsoft 365. Powerful room booking and Teams integration.
🍎
Free Built-in
Apple Calendar
Apple Inc. · System Default
2B
devices
Active Apple devices worldwide
Ease of use
8.8
Integration
7.2
Collaboration
6.0
Value
9.5
Ideal for users committed to the Apple ecosystem. Polished and private, but limited outside Apple devices.
Premium
Fantastical
Flexibits · Mac & iOS
$5
/mo
Individual plan · billed monthly
Ease of use
9.5
Integration
8.5
Collaboration
7.0
Value
6.0
Best-in-class natural language event creation. Worth the price for Apple-focused power users who love beautiful design.
🗂️
Free Plan
Notion Calendar
Notion Labs · 2024 launch
New
2024
Launched as standalone in 2024
Ease of use
8.2
Integration
7.6
Collaboration
8.0
Value
9.0
Excellent if you already use Notion for project management. Seamlessly links tasks, docs, and meetings.
🔗
Booking Tool
TidyCal
AppSumo Originals · Scheduling
$29
lifetime
One-time purchase · no subscription
Ease of use
9.0
Integration
6.8
Booking UX
9.3
Value
9.7
Best scheduling link tool for freelancers and consultants. A compelling Calendly alternative at a one-time price.
Outlook Calendar
$6
M365 Business Basic
Exchange server
Teams integration
1 TB OneDrive
Advanced features extra
Apple Calendar
Free
Included with Apple devices
All Apple devices
iCloud sync
Siri integration
Apple only
Fantastical
$4.99
Individual · per month
Natural language
Weather overlay
Task management
Mac & iOS only
Notion Calendar
Free
Basic · Notion Plus extra
Google Cal sync
Notion docs link
Meeting notes
Notion ecosystem
TidyCal
$29
One-time · lifetime access
Scheduling links
Group bookings
Payments
Cal integration
3
Feature Comparison Matrix
✓ Included   ◐ Partial / Limited   – Not available
Feature Google Calendar Outlook Apple Fantastical Notion Cal TidyCal
Free personal planNo cost for individuals
Works on all platformsWeb, iOS, Android, Windows
Shared calendarsView others' availability
Video meeting integrationOne-click conferencing
Natural language input"Lunch with Sara Friday 1pm"
Scheduling / booking linksLet others pick a slot
AI-powered featuresSmart suggestions, Gemini/Copilot
Task / to-do integrationTasks alongside events
Room & resource bookingMeeting rooms, equipment
Offline accessWorks without internet
Summary · 2025

Google Calendar leads
for most people — but
the right choice depends on you.

In 2025, Google Calendar remains the best all-round choice for individuals and teams who want a capable, free, and universally compatible calendar. With Gemini AI integration, improved scheduling tools, and over 500 million users, it is the undisputed default for personal and small-business use. However, Microsoft Outlook is the clear enterprise winner, Apple Calendar excels within the Apple ecosystem, and Fantastical is the premium pick for Apple power users. Notion Calendar is worth watching for productivity-first teams.

Google Calendar: Best Overall
Outlook: Best for Enterprise
Fantastical: Best Premium
TidyCal: Best Value
Notion Calendar: Best for Notion users
Overall Scores · 2025
📅
Google Calendar
9.2
📧
Outlook Calendar
8.4
🍎
Apple Calendar
7.8
Fantastical
8.0
🗂️
Notion Calendar
7.5
🔗
TidyCal
8.6