AI · alternatives · 2026

24 alternatives to Mar, by Nusmark

First-in-the-world AI Secretary for Bookings, via WhatsApp

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
   Setter AI▲290

   Turn website visitors into booked calls

   2025 · trysetter.com · its alternatives →

3. 3
   Calendar.AI▲171

   Discover everything about the people and companies you meet

   2020 · sync.ai · its alternatives →

4. 4
   Estera▲137

   AI Receptionist that Answers Calls & WhatsApp 24/7

   Jul 2026 · tryestera.com · its alternatives →

5. 5
   Callum▲261

   AI calendar assistant for teams – supercharge your calendar

   Jan 2026 · getcallum.com · its alternatives →

6. 6
   CalendarFix▲203

   WhatsApp calendar booking tool

   2024 · its alternatives →

7. 7
   Solvea ▲215

   Create your AI receptionist that answers, books, and sells

   Mar 2026 · solvea.cx · its alternatives →

8. 8
   FastTrackr AI▲85

   Your AI Executive Assistant on WhatsApp

   2024 · fasttrackr.ai · its alternatives →

9. 9
   Parity▲103

   Your personal AI scheduling assistant

   2024 · its alternatives →

10. 10
    Sama▲106

    AI assistant to find the best times to meet

    2021 · its alternatives →

11. 11
    Read Smart Scheduler▲79

    If Calendly and Clockwise had a baby

    2023 · read.ai · its alternatives →

12. 12
    BookedSolid▲3

    The AI Receptionist to Automate Your Email, WhatsApp & SMS.

    2024 · bookedsolid.health · its alternatives →

13. 13
    Sort My Thoughts▲86

    Personal AI assistant for notes and events

    2024 · sortmythoughts.com · its alternatives →

14. 14
    Calendaria▲8

    AI calendar assistant

    Jun 2026 · calendaria.co · its alternatives →

15. 15
    Intellibook AI▲1

    WhatsApp AI receptionist that books appointments 24/7

    Jun 2026 · intellibookai.com · its alternatives →

16. 16
    Focus Fox▲1

    Hire Your AI Assistant to Manage Your Google Calendar

    2023 · its alternatives →

17. 17
    Always Booked▲5

    Automate customer support, bookings & payments!

    Jan 2026 · alwaysbooked.uk · its alternatives →

18. 18
    Whappy▲33

    Set Appointments and Qualify leads with WhatsApp AI funnels

    2025 · whappy.ai · its alternatives →

19. 19
    Finally, an AI assistant who reaches out▲12

    Meet Avery - she texts you first so nothing slips through

    2025 · textavery.com · its alternatives →

20. 20
    anny AI▲19

    Phone agent for bookings beyond FAQ & appointments

    Jun 2026 · anny.co · its alternatives →

21. 21
    Your office now has an AI team▲3

    Answers calls, replies on WhatsApp — even when you are busy.

    Aug 2026 · kamiwebsite.live · its alternatives →

22. 22
    Personal AI WhatsApp Assistant „Pat“▲15

    Use best LLMs combined directly integrated in your WhatsApp

    2024 · api.whatsapp.com · its alternatives →

23. 23
    BookingBee.ai▲7

    Super smart appointments handled with conversational AI.

    2023 · bookingbee.ai · its alternatives →

24. 24
    AI Secretary (Telegram Bot)▲11

    Your personal AI secretary inside Telegram — notes reminders

    Jul 2026 · t.me · 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 →