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Simple Calendar VS EventTimer.io

Compare Simple Calendar VS EventTimer.io and see what are their differences

Simple Calendar

A simple calendar with events (optional recurring and reminders), week numbers and a customizable...

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?
Taverlo
Check your business domain’s public DMARC and SPF records free. Ongoing monitoring is free for one domain; $29/month covers up to five. sponsored
Note: These products don't have any matching categories. If you think this is a mistake, please edit the details of one of the products and suggest appropriate categories.

Which is more popular?

Based on our record, Simple Calendar seems to be more popular. It has been mentioned 100 times since March 2021.

social mentions
100 vs 0
Calendar popularity
100% vs 0%
alternatives listed
226 vs 24

Base details

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

Simple Calendar
EventTimer.io
Website simplemobiletools.com eventtimer.io
Pricing
Open source
Freemium Free trial $8 / Monthly Official pricing
Platforms —
Web
Company — Startup from the United States · 2025
Listed in
Calendar Appointments and Scheduling Calendar And Scheduling Email +1
Online Timer Countdown Timer Time Management Pomodoro Timer Time Tracking Productivity Countdown Personalization Online Services Stopwatch Alarm Clock Tool +9

About Simple Calendar and EventTimer.io

In their own words, as submitted to SaaSHub.

Simple Calendar
EventTimer.io

No description of Simple Calendar 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.

Simple Calendar 7 features
EventTimer.io 4 features
  • Open Source
    Simple Calendar is open source, meaning the source code is publicly accessible. This transparency allows users to verify the security of the app and contribute to its development.
  • Privacy-Focused
    The app does not collect or share user data, which ensures a high level of privacy for users.
  • Ad-Free Experience
    Simple Calendar does not display ads, providing a cleaner and more user-friendly experience.
  • Offline Functionality
    The app can function fully offline, making it useful for users without consistent internet access.
  • Customizable
    Users can customize the look and feel of the calendar, including themes and colors, to suit their preferences.
  • Lightweight
    Simple Calendar is lightweight and does not consume significant device resources, ensuring smooth performance on a wide range of devices.
  • Integration with Other Simple Mobile Tools Apps
    It integrates well with other apps from Simple Mobile Tools, like Simple Contacts and Simple Notes, creating a more cohesive user experience.

Possible disadvantages

  • Limited Advanced Features
    Compared to some paid calendar apps, Simple Calendar lacks advanced features such as task management, event templates, and detailed recurring event options.
  • No Cloud Sync
    Simple Calendar does not offer built-in cloud synchronization across devices, which may be a drawback for users who want to access their calendar from multiple devices.
  • Lack of Integration with Popular Calendar Services
    The app does not offer seamless integration with popular calendar services like Google Calendar or Microsoft Outlook by default.
  • Learning Curve for Customization
    While the app is customizable, the process to set it up according to personal preferences can be confusing and time-consuming for some users.
  • Basic User Interface
    The user interface is simple and functional but may appear too basic and less aesthetically pleasing to users accustomed to more polished apps.
  • 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.

Simple Calendar
EventTimer.io

Overall verdict

  • Yes, Simple Calendar by Simple Mobile Tools is generally considered a good app.

Why this product is good

  • Open Source: It is an open-source application, which means the code is available for anyone to inspect, providing more transparency and security.
  • Privacy-Focused: Simple Calendar doesn't require unnecessary permissions or internet access, ensuring user privacy.
  • No Ads: The app is ad-free, providing a cleaner user experience.
  • User-Friendly: Designed to be straightforward, it's easy to navigate and use.
  • Customizable: Offers various customization options such as themes and widgets.

Recommended for

  • Users who value privacy and want a calendar app without data tracking.
  • Individuals looking for an ad-free scheduling experience.
  • Those who prefer customizable features to tailor the app to their liking.
  • Open-source enthusiasts who support community-driven projects.

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.

Simple Calendar 2 videos + Add
EventTimer.io 0 videos + Add

Simple Calendar Android App Review (Widget)

More videos

  • - Simple Calendar Pro Promo Video

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
Simple Calendar
EventTimer.io
100% 100%
Calendar
0% 0%
0% 0%
Countdown Timer
100% 100%
100% 100%
Appointments and Scheduling
0% 0%
0% 0%
Online Timer
100% 100%

Questions & Answers

As answered by people managing Simple Calendar 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 Simple Calendar 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.

Simple Calendar 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.

Simple Calendar 100 mentions
EventTimer.io 0 mentions

View more

Tracking EventTimer.io since Apr 2026.

Alternatives to Simple Calendar and EventTimer.io

When comparing Simple Calendar and EventTimer.io, you can also consider the following products.

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