
stagetimer.io
Presentation Timer
OnCueTimer
UbiStage.de
SessionPace
Online Stopwatch and Timers
Epic Timers
Online Professional countdown timer, stopwatch, and event timer for presentations, meetings, conferences, classrooms, and workouts. Fullscreen display, real-time sync.

Opal.so
Freedom.to
Cold Turkey
Forest App
clearspace
FocusMe
AppBlock
one sec uses Shortcut automation in order to empower you to spend more time in the real world.

Which is more popular?
Based on our record, one sec seems to be more popular. It has been mentioned 44 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | eventtimer.io | one-sec.app |
| Pricing | — | |
| Platforms | — | |
| Company | Startup from the United States · 2025 | — |
| Listed in |
In their own words, as submitted to SaaSHub.


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...
No description of one sec yet.
What each product offers, as listed by its team.


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


Overall verdict
Why this product is good
Recommended for
No analysis of one sec yet.
Walkthroughs and reviews on video.
No EventTimer.io videos yet. You could help us improve this page by suggesting one.
The app that makes Elon Musk cry — One Sec app setup & review
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How often each product is chosen within a category, 0–100% relative to the other.


As answered by people managing EventTimer.io and one sec.
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.
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.
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.
Share your experience with using EventTimer.io and one sec. For example, how are they different and which one is better?
Recommendations tracked on public social media and blogs since March 2021.


Tracking EventTimer.io since Apr 2026.
I think most users need more screen blocking control than they get out of the box on iOS. Ntools like one sec [1] have been invaluable for me. [1]: https://one-sec.app/. - Source: Hacker News / 9 months ago
One thing that finally worked for me was using: https://one-sec.app/ It basically forces you to do a little breathing exercise before you can visit the site that you have on its block list. It has been life changing. It adds enough... - Source: Hacker News / over 1 year ago
I've tried various forms of this. As long as there's a logged in session somewhere, I have to have various tricks and extensions on my browser to manage things. Most have been only varying degrees of successful, often ending up in me... - Source: Hacker News / almost 2 years ago
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