SpreadEvent Blog

Honest calendar marketing

Comparisons, tutorials, and developer guides for everyone running events on the web.

Featured · guides

The complete ICS file guide

Everything you need to know about ICS files — what they are, how the iCalendar spec works, how to generate them correctly, and how to debug the common edge cases that break Outlook, Apple Calendar, and timezone handling.

April 27, 2026·16 min read
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Tutorials

Step-by-step walkthroughs for implementing add-to-calendar buttons, RSVP forms, and event embeds.

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How to make an Add to Calendar button (without AddEvent)

A step-by-step tutorial on building an add-to-calendar button — first by hand with a manual ICS file, then with a tool. Real code, real screenshots, no marketing fluff.

12 min read

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Comparisons

Honest, head-to-head comparisons between SpreadEvent and the calendar-marketing tools you're considering.

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7 honest AddEvent alternatives for 2026

An honest, researched comparison of AddEvent and the seven add-to-calendar tools worth looking at in 2026 — verified pricing, hidden caps, real differences, and which one fits your event stack.

16 min read

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