Dule.ai

Dule.ai is an email-native AI scheduling assistant that helps people book, follow up on, and reschedule meetings without leaving their inbox. It is built for users who want calendar coordination handled through email rather than booking links or a separate app.

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Overview

Dule.ai is an email-native AI scheduling assistant that handles meeting coordination directly in the inbox. The product is designed for people who want to avoid back-and-forth scheduling, booking links, and extra tabs by CCing Dule on a thread and letting it propose times, follow up, and send calendar invites.

The site positions Dule as a personal AI executive assistant for scheduling. It supports calendar-aware scheduling, time-zone handling, group and recurring meetings, and custom instructions, with onboarding paths that include connecting a calendar or starting by CCing Dule on an email thread.

Features

Inbox-native scheduling

CC Dule on an email thread and it reads the conversation, looks at availability, and keeps the scheduling process moving without a separate app or booking page.

Time-zone aware coordination

Dule proposes meeting options, compares availability, and handles time-zone math so participants can coordinate across locations without manual conversion.

Automatic follow-ups and rescheduling

The product can send gentle follow-ups when people do not reply, then continue the thread until a meeting is confirmed or updated.

Custom instructions and preferences

Users can share availability, time zones, out-of-office notes, custom instructions, and scheduling preferences by email, similar to briefing an executive assistant.

Calendar-aware planning

Dule imports meetings and holidays from Google Calendar and uses the connected calendar to avoid double booking.

Works inside existing email workflows

The site says Dule works across Gmail, Outlook, and Superhuman, and that invitees can reply normally without creating an account or using a new interface.

Use Cases

Interview scheduling
Recruiters can CC Dule on candidate threads to handle interview scheduling, reminders, and time-zone coordination without manually chasing replies.
High-volume inbox scheduling
Founders, VCs, and operators can use Dule to arrange pitches, intro calls, and vendor meetings directly in email, reducing back-and-forth across busy calendars.
Cross-time-zone coordination
Teams working across regions can rely on Dule to suggest times that fit multiple time zones and to keep threads moving when participants reply at different times.
Preference-driven assistant workflow
Users who want a more personal workflow can share custom instructions, availability, out-of-office notes, and meeting preferences so Dule follows their scheduling rules.
Follow-up and rescheduling
When a meeting thread stalls or a proposed time changes, Dule can send follow-ups and reschedule without requiring the user to restart the process.

Pros and Cons

Pros

Works inside email, so recipients do not need booking links or a separate app.
Supports time-zone-aware scheduling and group coordination.
Can use custom instructions, out-of-office notes, and scheduling preferences.
Imports meetings and holidays from Google Calendar and helps avoid double booking.
Offers a free tier on the home page, with paid Pro and Enterprise plans also shown.

Cons

The public pricing page is missing, so the live site does not currently provide a full, stable pricing overview there.
Some capabilities are marked as coming soon, including enterprise Google Workspace integration.
The source focuses on scheduling and coordination rather than broader assistant work such as travel booking or research.

FAQ

How do I start using Dule?

Dule is set up by connecting a calendar and then CCing its address on an email thread. The source describes two onboarding paths: an instant calendar connect flow and a CC-to-begin flow that prompts you to link a calendar before Dule takes over.

Which email clients does Dule work with?

Dule is designed to work in email threads. The source says it works in Gmail, Outlook, and Superhuman, and that invitees do not need to leave their email or install anything.

What calendar integrations are supported?

The source shows Google Calendar support on the home page and says Dule can connect Google or Outlook during onboarding. It also mentions importing meetings and holidays from Google Calendar and, on the pricing page, connecting up to four shadow calendars on the Pro plan.

What kinds of scheduling tasks can Dule handle?

Dule can propose times, handle time zones, send invites, follow up on no-replies, and manage rescheduling or cancellations. The source also mentions group and recurring meetings and multi-thread coordination.

What are Dule's main limitations?

The source describes Dule as focused on scheduling and coordination. It does not claim broader assistant functions such as travel booking, inbox triage, or research, and some enterprise features are marked as coming soon.

Quick Facts

Category: AI scheduling assistant
Primary surface: Email
Website: dule.ai
Supported workflows: Meeting booking, follow-ups, rescheduling, time-zone coordination
Known integrations: Google Calendar; Google or Outlook calendar connect mentioned in onboarding
Pricing shape: Free tier plus paid Pro and Enterprise plans; pricing page currently returns 404