Callum

4.60

RATING

31 M+

EXPOSURE

About this tool

Name

Callum

Category

tools

Callum is an AI-powered calendar assistant built for teams using Google Calendar, designed to eliminate the friction of scheduling and meeting coordination. Using natural language understanding, Callum can schedule, reschedule, and manage multi-person meetings by considering shared availability and real-world constraints automatically. By connecting tools like CRM, ATS, and CSM systems, Callum gains context to prepare for meetings, support interviews, and streamline sales or customer workflows. Available on Web, iOS, Slack, and soon ChatGPT, Callum drastically reduces administrative work and removes endless email back-and-forth.

Ratings and Reviews

Scheduling finally feels effortless

4.70

Callum removed almost all calendar back-and-forth for our team and saved us hours every week.

October 10,2025

Daniel Thompson

Excellent for interviews and hiring

4.60

Connecting our ATS made interview scheduling fast and stress-free for both candidates and recruiters.

November 5,2025

Sophia Williams

Perfect fit for busy teams

4.50

Callum understands real availability better than most scheduling tools we have tried.

September 29,2025

Michael Chen

Strong integrations and smart context

4.40

The CRM connection helps our sales team stay prepared without extra prep work.

December 14,2025

Emily Parker

Clean experience across platforms

4.60

Using Callum in Slack feels natural and keeps everything in one place for the team.

January 8,2026

Lucas Ramirez

How to use

Sign up and connect Callum to your Google Calendar. Invite Callum to conversations or use natural language commands to schedule or reschedule meetings. Allow Callum to check availability and constraints across all participants automatically. Connect business tools like CRM or ATS to give Callum context for meetings and workflows. Review and attend meetings that are scheduled smoothly without manual coordination.

Visit Website