AI · alternatives · 2026

24 alternatives to Callum

AI calendar assistant for teams – supercharge your calendar

Callum is an AI calendar assistant for Google Calendar that helps teams schedule and manage meetings using natural language commands. It handles multi-person meetings and shared availability while eliminating email… Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes.

1. 1
   Cal.ai Email Assistant▲918

   World's first open source AI scheduling assistant

   2023 · cal.com · its alternatives →

2. 2
   Clockwise▲608

   Making your calendar work for you.

   2019 · getclockwise.com · its alternatives →

3. 3
   Arrange▲462

   ChatGPT for your calendar

   2024 · joinarrange.com · its alternatives →

4. 4
   Clockwise Prism▲543

   A first-of-its-kind intelligent calendar

   2024 · getclockwise.com · its alternatives →

5. 5
   SnapTodo▲607

   If Cursor & To-do had a baby.

   Dec 2025 · snaptodo.app · its alternatives →

6. 6
   Meet-Ting▲271

   Free AI assistant for email scheduling in early access

   Jan 2026 · meet-ting.com · its alternatives →

7. 7
   Meekan for Slack▲420

   Your Slack team's scheduling robot assistant

   2015 · meekan.com · its alternatives →

8. 8
   Dola: AI Calendar Assistant▲417

   Smartly plan & sync life in seconds on your messaging app

   2024 · its alternatives →

9. 9
   Mayday▲198

   The AI-assisted calendar that helps you make time to thrive.

   2023 · mayday.am · its alternatives →

10. 10
    Expertise Booking▲199

    Go Bananas with this AI Native Calendar

    Nov 2025 · expertise.ai · its alternatives →

11. 11
    Calendar.AI▲171

    Discover everything about the people and companies you meet

    2020 · sync.ai · its alternatives →

12. 12
    Calendar▲257

    Smart calendar that makes teams more productive

    2020 · its alternatives →

13. 13
    Track▲347

    Superhuman for Calendar

    2022 · its alternatives →

14. 14
    Hints AI▲315

    Get organized with Hints AI assistant, save 60 min every day

    2022 · hints.so · its alternatives →

15. 15
    The New Calendly▲211

    Handle all of the work before, during, and after meetings

    Aug 2026 · calendly.com · its alternatives →

16. 16
    Dule for Google Calendar▲123

    Email based AI scheduling assistant

    2025 · dule.ai · its alternatives →

17. 17
    Mayday▲188

    Your AI scheduling co-pilot

    2023 · mayday.am · its alternatives →

18. 18
    Calendly▲271

    Simple, beautiful scheduling

    2014 · calendly.com · its alternatives →

19. 19
    CalendarPlusAI▲203

    Shared calendar no login Collaborate with friends and teams!

    2024 · bcalendar.com · its alternatives →

20. 20
    CalBot▲115

    Carly lets you create custom AI agents with 120+ integrations. Give each agent an inbox, instructions, and tool access for email, CRM, scheduling, research, and operations.

    2025 · calbotservice.com · its alternatives →

21. 21
    EasyCalendar▲108

    Appointment scheduler + minimalist CRM + integrations

    2020 · easycalendar.com · its alternatives →

22. 22
    Thirty Calendar▲153

    The best ai calendar to organize your work and life.

    2025 · thirtycalendar.com · its alternatives →

23. 23
    Clarity.AI▲154

    Turns schedule chat screenshots into calendar events & tasks

    2024 · apps.apple.com · its alternatives →

24. 24
    Reclaim – an adaptive calendar app that plans time for your routines▲106

    Create, schedule & track your Habit goals – use AI to defend flexible time for your routines. Get started, free on Google Calendar & Outlook Calendar

    2020 · reclaim.ai · its alternatives →

Ranked by how close each launch is in meaning, then by votes. Prices were read from each product’s own site when checked and can change. Refine with your own description →