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Callum

Callum

AI calendar assistant for teams – supercharge your calendar

264upvotes
Launched January 22, 2026
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About Callum

Callum is an AI-powered calendar assistant designed specifically for teams using Google Calendar. It simplifies scheduling by understanding multi-person meetings, shared availability, and real-world constraints, eliminating the tedious back-and-forth emails often associated with coordinating schedules. Users can effortlessly schedule, reschedule, and manage meetings through natural language commands, making calendar management more intuitive and efficient. Its seamless integrations with CRMs, ATS, and CSM apps enhance its capabilities, allowing teams to keep their scheduling context-rich and aligned with their workflows. Available across multiple platforms including Web, iOS, Slack, and ChatGPT (soon), Callum is tailored for busy teams seeking to supercharge their calendar productivity with AI-driven automation.

Screenshots

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Pros

  • ✓Automates complex scheduling processes using natural language commands
  • ✓Integrates with popular tools like CRM, ATS, and CSM apps for contextual awareness
  • ✓Available on multiple platforms including Slack and ChatGPT, enabling flexible access
  • ✓Supports multi-person meetings and shared availability for streamlined coordination
  • ✓Reduces manual calendar management and email back-and-forth

Cons

  • ✗Still in early stages with some features potentially limited or evolving
  • ✗Dependence on Google Calendar may limit users on other calendar platforms
  • ✗Pricing details are not explicitly provided, which could impact budgeting decisions

Use Cases

1Scheduling multi-participant meetings without email exchanges
2Managing shared team calendars efficiently
3Automating rescheduling and follow-ups with natural language commands
4Integrating scheduling workflows with CRM and customer success tools
5Coordinating availability across remote teams in different time zones
6Using AI assistant via Slack or ChatGPT for quick scheduling queries

Pricing

Likely operates on a freemium model with basic features free and advanced functionalities available through paid plans, which probably start around $10-$20 per month, though exact details are not specified.

Quick Info

Category🤖 AI Assistants
Upvotes264
Comments33
Launched1/22/2026

Topics

ProductivityCalendarArtificial Intelligence

Alternatives

•Calendly
•Doodle
•x.ai
•Clara
•Meekan

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