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OneCal is a powerful calendar automation tool that syncs Outlook, Google, and iCloud calendars in real-time. It helps professionals and teams avoid double bookings, save time on scheduling, and maintain privacy by consolidating all events into a unified view and providing customizable scheduling links.

5.0
Added
2025-09-16
Price type:
Freemium
Monthly traffic:
96K
Social media:
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OneCal Overview

OneCal is a comprehensive calendar automation and synchronization platform designed to eliminate scheduling conflicts and streamline time management for individuals and teams. By seamlessly syncing multiple calendars from Google, Outlook, and iCloud in real-time, OneCal ensures your availability is always accurate and up-to-date across all your personal and professional accounts. This prevents the common issue of double bookings that arises from managing disparate schedules. The platform is built with a strong focus on privacy and security, allowing users to control exactly what event information is shared, from full details to simply showing a 'Busy' block.

Beyond synchronization, OneCal offers powerful scheduling features. Users can create and share customizable booking links for one-on-one or team meetings, eliminating the tedious back-and-forth emails typically required to find a suitable time. The unified Calendar View provides a single, consolidated interface to see all your commitments at a glance, further simplifying schedule management. Trusted by thousands of professionals from companies like Product Hunt, OneCal is praised for its intuitive user interface, robust performance, and exceptional customer support.

How to use OneCal

Getting started with OneCal is a straightforward process designed to have you syncing calendars in minutes:

  1. Sign Up for a Free Trial: Visit the OneCal website and sign up for a 14-day free trial. No credit card is required to start.
  2. Connect Your Calendars: Securely connect your Google, Outlook, and iCloud accounts using the official OAuth2 authentication. OneCal never sees or stores your passwords.
  3. Create a Sync Configuration: From the dashboard, click to start a new sync. You can choose a one-way sync (from a source calendar to a target) or a multi-way sync to keep two or more calendars perfectly aligned.
  4. Customize Sync Settings: Select the source and destination calendars. Crucially, configure the privacy settings. You can choose to sync all event details (title, description, participants) or mask them to only show 'Busy'. You can also assign custom colors to synced events for easy identification.
  5. Automated Syncing: Once configured, OneCal works in the background, automatically syncing new events and updates in real-time. There's no need to keep the app open.
  6. Create Scheduling Links (Optional): Navigate to the Scheduling Links section to create personalized booking pages for individuals or teams. Customize your availability, meeting duration, and branding.
  7. Use the Calendar View: Access the Calendar View to see all your connected calendars in one consolidated, easy-to-read interface.

Core Features of OneCal

  • Real-Time Calendar Sync: Automatically syncs events across multiple Google, Outlook, and iCloud calendars. Updates happen instantly, preventing scheduling conflicts.
  • Multi-Way Syncing: Set up one-way or multi-way syncs between two or more calendars with a single configuration.
  • Privacy-Focused Controls: You decide what information gets synced. Choose to display full event details or just block off the time as 'Busy' to protect sensitive information.
  • Scheduling Links: Create and share customizable booking links for individuals or teams, streamlining the process of scheduling meetings with external parties.
  • Unified Calendar View: Consolidate all your calendars into a single view to get a complete picture of your schedule without switching between apps.
  • Team Management: Team plans allow organizations to manage user accounts, billing, and calendar synchronization for all members centrally.
  • High Security Standards: Utilizes secure OAuth2 connections, encrypts all data in transit and at rest, and is hosted on a secure AWS infrastructure. OneCal does not store, analyze, or sell any event data.

Use Cases for OneCal

OneCal is ideal for anyone juggling multiple calendars:

  • Consultants and Freelancers: Manage separate calendars for each client (e.g., a client's Google Workspace and another's Office 365) and consolidate them into a master calendar to avoid conflicts.
  • Professionals with Multiple Roles: Keep a work calendar, a personal calendar, and a side-project calendar in sync without manually duplicating events or sharing private details.
  • Sales and Business Development Teams: Use collective scheduling links to show the combined availability of a team, making it easy for prospects to book demos or calls.
  • Executives and Managers: Provide a clear view of their true availability to assistants and team members, even when schedules are spread across different platforms.
  • Anyone Seeking Work-Life Balance: Automatically block off personal appointments in work calendars (and vice-versa) privately, ensuring personal time is respected without revealing details.

Advantages of OneCal

OneCal stands out from other solutions with several key advantages:

  • True Synchronization: Unlike native 'subscribe' features which can take over 24 hours to update, OneCal syncs in real-time, creating actual event clones that block off time and are visible to others for scheduling.
  • All-in-One Solution: It combines powerful calendar syncing with robust scheduling link features, eliminating the need for separate tools like Calendly.
  • Superior Privacy: Granular control over event details ensures you can share your availability without compromising confidentiality.
  • User-Friendly Interface: The platform is consistently praised for its clean, intuitive, and well-designed UI, making it easy to set up and manage.
  • Cost-Effective: Offers competitive pricing that provides significant value, especially considering its dual functionality of syncing and scheduling.
  • Reliable and Secure: Built on a scalable and secure AWS infrastructure, ensuring high uptime and data protection.

Pricing and Plans

OneCal offers a 14-day free trial on all plans, with no credit card required. Pricing is per user, per month, with a 20% discount for annual billing.

  • Starter Plan: $5/user/month (billed annually at $60). Includes syncing for up to 2 calendars, unlimited calendar syncs, and unlimited one-on-one and collective scheduling links.
  • Essential Plan (Most Popular): $10/user/month (billed annually at $120). Includes everything in Starter, but for up to 5 calendars.
  • Premium Plan: $25/user/month (billed annually at $300). Includes everything in Essential, but for up to 50 calendars, and adds dedicated support.

All plans include features like Calendar View, branding for scheduling links, and access to the User Provisioning API.

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Traffic

Latest traffic

Monthly visits96K
Avg visit duration1:12
Pages per visit2.53
Bounce rate42.0%

Status

Falling-8.2%vs previous month
Updated at 2026-06-15

Monthly traffic trend

  • 2025-9: 202.7K
  • 2026-1: 202.4K
  • 2026-2: 148.5K
  • 2026-3: 112.5K
  • 2026-4: 104.5K
  • 2026-5: 96.0K

Geography

Top 5 countries / regions

  • 🇺🇸United States
    59.9%
  • 🇯🇵Japan
    12.5%
  • 🇩🇪Germany
    11.8%
  • 🇲🇽Mexico
    7.9%
  • 🇫🇷France
    7.8%

Traffic sources

Source typePercentage
Direct
76.4%
Referral
14.7%
Email
8.9%
Total
100%
Direct76.4%
Referral14.7%
Email8.9%

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