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Head-to-head · Calendar Apps

Notion Calendar vs KOrganizer

  • Updated Oct 2026
  • Both researched from official sources
  • 5 checks side by side
Higher score Notion Calendar #4 in Calendar Apps 9.0/10 Free plan Free plan✓ 4 of 4 features Try Notion Calendar
KOrganizer #8 in Calendar Apps 8.6/10 Free plan Free plan✓ 1 of 4 features Visit KDE

Notion Calendar leads on 0 checks, KOrganizer on 0, and 5 are even. Who comes out ahead on the 5 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreNotion Calendar · 9.0/10
  • Free planboth
  • Most featuresNotion Calendar · 4 of 4

Notion Calendar scores higher on our rubric for calendar apps: 9.0 against 8.6 out of 10; our editors rank them #4 and #8.

Notion Calendar is the better fit for notion users wanting calendar-database integration. KOrganizer is the better fit for linux users needing open-source group calendaring.

  • Notion Calendar fits best

    Notion users wanting calendar-database integration

  • KOrganizer fits best

    Linux users needing open-source group calendaring

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Side by side

Feature Notion Calendar 9.0/10 Visit ↗ KOrganizer 8.6/10 Visit ↗
At a glance
Editor score 9.0 8.6
Ranking #4 in Calendar Apps #8 in Calendar Apps
Best for Notion users wanting calendar-database integration Linux users needing open-source group calendaring
Pricing model Free Free
Starting price Free Free plan
Free plan ✓ ✓
Free trial — —
Deployment Cloud, Desktop, Mobile Desktop
Platforms Web, Windows, macOS, iOS, Android Linux
Support Email, Docs Community, Docs, Email
Integrations 13 integrations 8 integrations
Built for Solo, Small business, Mid-market, Enterprise Solo, Small business, Mid-market
Features Notion Calendar 4/4 · KOrganizer 1/4
Shared calendars ✓ ✓
Time blocking ✓ (best) Not checked yet
Scheduling links ✓ (best) Not checked yet
Video meeting support ✓ (best) Not checked yet
Specs
Calendar sync Two_way Two_way
Mobile apps Ios and android Not checked yet
Our review
Pros
  • Displays dated Notion database items beside calendar events
  • Connects Google, Outlook, and Apple iCloud-synced calendars
  • Includes scheduling links, availability sharing, and conferencing support
  • Free and open source under the GPL-2.0-or-later license
  • Group scheduling includes invitations, responses, and free/busy data
  • Supports CalDAV, Google Calendar, Nextcloud, Kolab, and more
Cons
  • Its calendar-specific offering has one Free plan
  • Its strongest workflow depends on using Notion databases
  • The product was founded in 2024
  • Officially available only as a Linux desktop application
  • No mobile apps for calendar access away from the desktop
  • Does not include verified booking links or time-blocking tools
Our verdict

Notion Calendar brings work and personal commitments into one calendar across web, macOS, Windows, iOS, and Android. It is designed for individuals and teams who want calendar events, scheduling, and Notion database items in the same…

Read the review →

KOrganizer is KDE’s calendar and scheduling component for Kontact, designed for Linux desktop users who need more than basic event entry. It brings together events, to-dos, journals, reminders, recurring appointments, multiple calendars,…

Read the review →
  1. Notion CalendarCalendar Apps 9.0Free plan
  2. KOrganizerCalendar Apps 8.6Free plan

Strengths and trade-offs

  • Notion Calendar — where it wins

    • Displays dated Notion database items beside calendar events
    • Connects Google, Outlook, and Apple iCloud-synced calendars
    • Includes scheduling links, availability sharing, and conferencing support

    Where it doesn't

    • Its calendar-specific offering has one Free plan
    • Its strongest workflow depends on using Notion databases
    • The product was founded in 2024

  • KOrganizer — where it wins

    • Free and open source under the GPL-2.0-or-later license
    • Group scheduling includes invitations, responses, and free/busy data
    • Supports CalDAV, Google Calendar, Nextcloud, Kolab, and more

    Where it doesn't

    • Officially available only as a Linux desktop application
    • No mobile apps for calendar access away from the desktop
    • Does not include verified booking links or time-blocking tools

More comparisons

All calendar apps comparisons → · Full ranking →

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update