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Cal.com VS EventTimer.io

Compare Cal.com VS EventTimer.io and see what are their differences

Cal.com

Cal.com (formerly Calendso) is the open source Calendly alternative.

Rating
0 reviews
Pricing
Open source
Alternatives Is it good?
EventTimer.io

Online Professional countdown timer, stopwatch, and event timer for presentations, meetings, conferences, classrooms, and workouts. Fullscreen display, real-time sync.

Rating
0 reviews
Pricing
Freemium Free trial $8 / Monthly
Alternatives Is it good?
cobwebs.app
Tap a thing and the counter resets. A quiet, local-first day counter for the things you keep meaning to do. No account needed, no spreadsheet. sponsored

Which is more popular?

Based on our record, Cal.com seems to be more popular. It has been mentioned 60 times since March 2021.

social mentions
60 vs 0
Appointments and Scheduling popularity
100% vs 0%
alternatives listed
240+ vs 24

Base details

Website, pricing, platforms and company facts side by side.

Cal.com
EventTimer.io
Website cal.com eventtimer.io
Pricing
Open source Official pricing
Freemium Free trial $8 / Monthly Official pricing
Platforms —
Web
Company — Startup from the United States · 2025
Listed in
APIs Open Source Calendar And Scheduling Productivity Appointments and Scheduling +2
Online Timer Countdown Timer Time Management Pomodoro Timer Time Tracking Productivity Countdown Personalization Online Services Stopwatch Alarm Clock Tool +9

About Cal.com and EventTimer.io

In their own words, as submitted to SaaSHub.

Cal.com
EventTimer.io

No description of Cal.com yet.

EventTimer is a free, browser based professional event timing solution built for anyone who runs events, presentations, classes, or live productions. It works instantly in the browser with no signup, no installation, and no credit card required. At its core, EventTimer offers three timer modes...

Read more about EventTimer.io

Features and specs

What each product offers, as listed by its team.

Cal.com 5 features
EventTimer.io 4 features
  • Customizable
    Cal.com allows extensive customization to fit various branding and scheduling needs, which makes it adaptable for different types of users including businesses and individuals.
  • Open-source
    Being an open-source platform, Cal.com provides the flexibility for developers to modify and extend the software as per their specific needs, fostering a collaborative development environment.
  • Integrations
    Cal.com offers a wide range of integrations with other software tools like Google Calendar, Microsoft Outlook, and Zoom, enhancing its functionality and making it easier to fit into existing workflows.
  • User-friendly Interface
    Cal.com has an intuitive and clean interface that makes it easy for users of all technical skill levels to set up and manage their scheduling.
  • Privacy-focused
    Cal.com emphasizes data privacy, ensuring user information is handled securely, which is crucial for users who need to comply with regulations like GDPR.

Possible disadvantages

  • Learning Curve
    Although it is highly customizable, the plethora of options and features may result in a steeper learning curve for new users who are not familiar with such scheduling tools.
  • Limited Free Version
    The free version of Cal.com comes with limitations that may not be sufficient for growing businesses or advanced users who require more comprehensive features.
  • Dependency on Integrations
    Cal.com's effectiveness heavily depends on its integrations. Without these integrations, some users might find the tool less useful or incomplete, especially if their primary tools are not supported.
  • Support
    While open-source has many benefits, it may also mean that immediate, personalized support could be limited compared to fully commercial solutions. This might pose a challenge for users needing quick resolutions.
  • Performance
    As an open-source platform, the performance might vary depending on how it is hosted and managed. Suboptimal configurations could lead to slower performance or downtimes.
  • Real time
    live synchronization across unlimited viewers via shareable links
  • Fullscreen
    display mode optimized for projectors and stage screens
  • CSV export/import
    for reusing event schedules
  • Mobile responsive
    works on any device

Analysis

An editorial look at what each product does well and who it suits.

Cal.com
EventTimer.io

Overall verdict

  • Cal.com is generally considered a good option for scheduling and calendar management.

Why this product is good

  • Cal.com is praised for its open-source nature, allowing for greater customization and integration flexibility. It offers a user-friendly interface and supports various calendar integrations, making it a versatile tool for individuals and businesses alike.

Recommended for

  • Freelancers who need a simple yet effective scheduling tool.
  • Small businesses looking for a customizable scheduling solution.
  • Developers who appreciate open-source software and need a tool they can modify.
  • Businesses seeking a platform that can integrate with existing tools and workflows.

Overall verdict

  • EventTimer.io appears to be a solid, purpose-built tool for creating and managing countdown timers and event scheduling, offering a straightforward and reliable experience for users who need to track time until important events.

Why this product is good

  • Simple and intuitive interface that makes setting up countdowns quick and easy
  • Useful for coordinating events across different time zones
  • Shareable timers that can be embedded or sent to others for collaborative event tracking
  • Lightweight and focused on doing one thing well without unnecessary complexity
  • Helpful for building anticipation and keeping teams or audiences aligned on deadlines

Recommended for

  • Event organizers coordinating launches, webinars, or conferences
  • Marketing teams running countdown campaigns for product releases or sales
  • Remote teams working across multiple time zones
  • Individuals tracking personal milestones or important dates
  • Content creators wanting to display countdowns to their audience

Videos

Walkthroughs and reviews on video.

Cal.com 2 videos + Add
EventTimer.io 0 videos + Add

What can you do with Cal? | Cal.com Version 1.1 Launch | 10 new languages

More videos

  • - Cal.com Version 1.0 Launch Event

No EventTimer.io videos yet. You could help us improve this page by suggesting one.

Category popularity

How often each product is chosen within a category, 0–100% relative to the other.

Score bands 0–20 21–40 41–50 51–60 61–100
Cal.com
EventTimer.io
100% 100%
Appointments and Scheduling
0% 0%
0% 0%
Countdown Timer
100% 100%
100% 100%
Calendar And Scheduling
0% 0%
0% 0%
Online Timer
100% 100%

Questions & Answers

As answered by people managing Cal.com and EventTimer.io.

What makes your product unique?

EventTimer.io's answer:

Most countdown tools are either too basic (a single timer with no sharing) or too expensive for what they offer. EventTimer bridges that gap, it works instantly in the browser with zero signup, yet scales up to a full multi timer event manager with live synchronization across devices.

Why should a person choose your product over its competitors?

EventTimer.io's answer:

EventTimer gives you professional event timing features at no additional cost. Compared to Stagetimer, the leading paid alternative, EventTimer is 55 to 60% cheaper while offering a far more generous free tier. You get live sync, shareable presenter and audience views, embeddable website countdowns, and a full event rundown manager. No installation, no plugins, just open a browser and go.

How would you describe the primary audience of your product?

EventTimer.io's answer:

Event organizers managing multi session agendas, educators who need classroom and exam timers, presenters keeping talks on schedule, fitness professionals running timed workouts, and livestream directors coordinating productions. It also serves anyone who just needs a quick, reliable countdown without downloading an app.

User comments

Share your experience with using Cal.com and EventTimer.io. For example, how are they different and which one is better?

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Reviews and articles

External articles and on-site reviews we used to compare the two products.

Cal.com no reviews yet
EventTimer.io no reviews yet

We have no reviews of EventTimer.io yet. Be the first one to post

Social recommendations and mentions

Recommendations tracked on public social media and blogs since March 2021.

Cal.com 60 mentions
EventTimer.io 0 mentions

View more

Tracking EventTimer.io since Apr 2026.

Alternatives to Cal.com and EventTimer.io

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