KerrOS Calendar

At a glance

• Editor score
  7.3 / 10
• Pricing
  Free plan · 14-day trial
• Best for
  Users wanting free calendar automation in a suite
• Free plan
  Yes
• Paid from
  $20/mo
• Automatic scheduling
  Yes
• Facts checked
  20 Sep 2026

• Where it wins

  • Free lifetime Core tier with local deployment and all apps
  • Time-zone-aware scheduling with priorities and availability
  • Connects meetings, tasks, chat, CRM, and automation workflows

• Where it doesn't

  • Core includes basic connectors rather than enterprise or custom connectors
  • API access is available on Pro, not Core
  • SSO/SAML, SOC2 compliance, and white-glove support require Enterprise

Our verdict on KerrOS Calendar

KerrOS Calendar is the scheduling component of the KerrOS AI operating system. It is designed for users and teams that want AI-assisted meeting coordination alongside recurring events, task synchronization, and calendar-based workflow orchestration. Natural-language access through AI Chat, event visibility in the KerrOS Hub dashboard, and connections with Tasks, CRM, and Automator make it a fit for organizations already considering a broader KerrOS workspace rather than a standalone calendar tool.

The published KerrOS plans show a free lifetime Core tier with local deployment, basic connectors, and access to all apps. Pro costs $20 per month on monthly billing and adds hybrid cloud deployment, enterprise connectors, API access, and all apps. Enterprise adds dedicated cluster deployment, custom connectors, SSO / SAML, SOC2 compliance, and white-glove support. A 14-day free trial is also published for KerrOS. This structure makes Core a low-commitment entry point, while Pro and Enterprise are aimed at organizations with deeper integration, deployment, or governance requirements.

Its strongest differentiator is the connection between scheduling and automation. KerrOS Calendar can schedule meetings around priorities and availability, trigger AI workers and recurring tasks, orchestrate event-triggered workflows with Automator, and synchronize deadlines and milestones with Tasks in both directions. Recurring events support rescheduling and reminders, while overlapping-hours display helps with time-zone-aware planning. Choose it if free access and a connected KerrOS suite matter more than a narrowly focused calendar. Organizations needing API access, enterprise connectors, or formal security and support features should look to Pro or Enterprise.

Your product? Our editors can test KerrOS Calendar in depth and publish a review, labelled as paid · from $149/mo →

KerrOS Calendar pricing

All 3 KerrOS Calendar plans and prices →

KerrOS Calendar fact sheet

KerrOS Calendar integrations

KerrOS Calendar lists 5 integrations on its own site.

• AI Chat
• Hub
• Tasks
• CRM
• Automator

Alternatives to KerrOS Calendar

• MotionA broad AI planner for people who want scheduling, tasks, meetings, and projects together.9.4
• MorgenA broad calendar and task workspace for coordinating schedules across tools.9.2
• FlowSavvyA flexible automatic scheduler with a useful free plan and affordable Pro tier.9.1

See all KerrOS Calendar alternatives →

Featured on iTechGuides

KerrOS Calendar is listed in our AI Calendar Assistants directory. Add the badge to your site — it links back to this page.

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Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

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Last updated 7 Oct 2026 · How we research and update