Your calendar,
just smarter
The fastest way to manage your work calendar. Just say what you want.
Works with Google Calendar · Free during beta
Hey! What can I help with? 👋
Find time with anyone
Scheduling with multiple people? Callum checks everyone's availability and finds slots that work for the whole group. No more back-and-forth emails.
Group availability
Shown times work for everyone · All participants will receive an invite
Schedule in seconds
Just speak. Callum understands natural language and creates events instantly. No typing, no clicking through menus. From thought to calendar in under 5 seconds.
Quarterly planning
Tomorrow at 12:00
Agenda added
- 1.Review Q4 results and KPIs
- 2.Set Q1 objectives and priorities
- 3.Resource allocation and timeline
Supercharge with knowledge
Connect your CRM and hiring tools. Callum pulls context for meeting prep, schedules onboarding for new hires from Greenhouse, and gives you the full picture on any deal before sales calls.
You have 4 deals with meetings this week:
Stripe — $120k, Negotiation stage. Call tomorrow at 3pm. HubSpot Calendar
Notion — $50k, Proposal stage. Demo Thursday at 11am. HubSpot Calendar
Linear — $35k, Discovery stage. Intro call Friday at 2pm. HubSpot Calendar
Want me to add prep time before any of these?
Ask your calendar anything
More than scheduling — a calendar that understands context. Prep for 1:1s with history from past meetings, add interview questions, or get insights about your week. Ask anything.
Frontend Designer Interview
Friday at 14:00
Questions added
- 1.Walk me through your design process from research to handoff
- 2.How do you approach designing for accessibility?
- 3.Tell me about a time you pushed back on a product decision
- 4.How do you collaborate with engineers during implementation?
Reschedule intelligently
DNeed to move a meeting? Callum checks everyone's availability and finds new times that work for all participants. All attendees get notified automatically.
Smart reschedule
3 alternatives found
Mon, Jan 6 · 9:45 – 10:30 am
45min1 attendee — times shown work for everyone
All participants will receive an email notification
What people are saying
"I used to spend 20 minutes coordinating meetings. Now I just tell Callum who I need to meet with and it handles everything. Game changer for our team."
Harijs Veiss
Sr. Product Designer, Tilde
"Finally, a calendar tool that actually understands context. I can say 'move my dentist to next week' and it just works. No more clicking through endless dropdowns."
Ivan Shestakov
Chief Marketing Officer, CEX.IO
"As someone who manages 50+ client meetings a month, Callum has saved me hours. The group availability feature alone is worth it."
Olivia Santos
Account Director, Bright Agency
Frequently asked
Plus all the essentials
Create events
Schedule new meetings with natural language
Update events
Change time, title, location, or attendees
Delete events
Cancel meetings with confirmation
Search events
Find past or future events by keyword
Ready to try Callum?
Connect your Google Calendar and start managing your schedule with natural language.
Continue with Google