Software Alternatives & Startups

Officially verified details AddCal

Add-to-calendar links, RSVPs and subscription calendars for events.

AddCal

AddCal Reviews and Details

This page is designed to help you find out whether AddCal is good and if it is the right choice for you.

Screenshots and images

  • Dash //
    2026-10-08
  • RSVP //
    2026-10-08
  • Analytics //
    2026-10-08

Features & Specs

  1. Add-to-Calendar Links

    One universal link or button per event that works with Google, Apple, Outlook, Office 365 and Yahoo calendars

  2. Subscription Calendars

    Live calendar feeds that automatically update subscribers when events change or are cancelled

  3. RSVP Management

    Going/maybe/not going responses, custom questions, capacity limits with waitlists and CSV export

  4. Smart Links

    Generate calendar events dynamically from URL parameters, webhooks or Zapier

  5. Event Analytics

    Track clicks and calendar adds per link, broken down by calendar provider

  6. Integrations

    Zapier, Zoom and an MCP server for AI assistants

  7. Public Event Pages & Embeds

    Shareable public calendar pages and embeddable widgets for websites

  8. Custom Domains & Branding

    Serve links from your own domain and remove AddCal branding

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Questions & Answers

As answered by people managing AddCal.
  1. Which are the primary technologies used for building AddCal?

    Laravel on Laravel Vapor (AWS Lambda), a Vue.js front end, Cloudflare, PostgreSQL on PlanetScale, and Stripe for billing.

  2. What makes AddCal unique?

    AddCal combines add-to-calendar links, live subscription calendars and RSVPs in one tool, so organisers don't need separate products for each. One link works across Google, Apple, Outlook, Office 365 and Yahoo. Subscription calendars push updates and cancellations to subscribers automatically. Smart Links let developers generate events on the fly from URL parameters, webhooks or Zapier. There's also an MCP server, so AI assistants can create and manage events directly.

  3. Why should a person choose AddCal over its competitors?

    The free plan includes unlimited calendar adds and subscription calendars, and paid plans are simple monthly or annual tiers with no per-event fees. Every link comes with analytics. Moving from AddEvent takes one click. AddCal is independently built and run, so support comes straight from the people who build the product.

  4. How would you describe the primary audience of AddCal?

    Anyone who needs people to actually save and attend their events: webinar and SaaS marketers, schools and school districts, universities, local councils, sports clubs, community and faith groups, and event organisers. It's also for developers who add calendar links to apps, emails and booking flows.

  5. Who are some of the biggest customers of AddCal?

    • MIT
    • Accenture
    • Deloitte
    • ServiceNow
    • Workday
    • Snowflake
    • Merck
  6. What's the story behind AddCal?

    In 2020, a webinar invite that worked in Gmail broke in Outlook, and half the attendees couldn't add the event to their calendars. That frustration led to Calndr.link, a weekend hack that offered one add-to-calendar link that worked in every calendar app. Organisers wanted more, so Calndr.link grew into AddCal, which added RSVPs, subscription calendars, embeddable widgets, automation and analytics. Every Calndr.link URL still works. Today AddCal is used by more than 15,000 people and teams in over 120 countries, with more than 25 million calendar adds.

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AddCal discussion

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  1. User avatar
    Addcal
    · 28 days ago
    · Reply

    Hi, I'm the founder of AddCal. It started in 2020 as Calndr.link, a weekend hack to fix add-to-calendar links that worked in Gmail but broke in Outlook. It's since grown into a full tool for getting events into people's calendars: - One add-to-calendar link that works in Google, Apple, Outlook, Office 365 and Yahoo - Subscription calendars that push updates and cancellations to subscribers automatically - RSVPs, with custom questions, capacity limits and waitlists - Smart Links, plus Zapier and an MCP server for automation There's a free plan with unlimited calendar adds, and moving over from AddEvent takes one click. Feedback is always welcome.

Is AddCal good? This is an informative page that will help you find out. Moreover, you can review and discuss AddCal here. The primary details have been verified within the last quarter. So they could be considered up to date. If you think we are missing something, please use the means on this page to comment or suggest changes. All reviews and comments are highly encouranged and appreciated as they help everyone in the community to make an informed choice. Please always be kind and objective when evaluating a product and sharing your opinion.