
Deno
Full-stack Javascript Components for one-dev armies

Seconds Interval Timer
Boxing-Timer.net
Tabata Timer
Exercise timer
Intertakt
Interval Timer
The Interval Timer
A free interval timer for boxing, HIIT, EMOM, Tabata and anything measured in rounds. No account, no install: it runs on a phone, a laptop or a gym TV.

Which is more popular?
Website, pricing, platforms and company facts side by side.
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|---|---|---|
| Website | nullstack.app | bursta.app |
| Pricing | ||
| Platforms | — | |
| Company | — | 2026 |
| Listed in |
In their own words, as submitted to SaaSHub.


No description of Nullstack yet.
Bursta is a free interval timer that runs in the browser. Open a page, press Start, and it counts work and rest in rounds, with a bell at every change. There is nothing to install and no account to make. One page per format. Each page opens on the protocol it is named for, ready to start: Boxing...
What each product offers, as listed by its team.


Possible disadvantages
No features have been listed yet.
Walkthroughs and reviews on video.
Full-stack with Nullstack - Part 3
More videos
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How often each product is chosen within a category, 0–100% relative to the other.


Share your experience with using Nullstack and Bursta. For example, how are they different and which one is better?
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Seconds Interval Timer includes templates for HIIT, Tabata and circuit training, text-to-speech, music per interval, vibrate full screen display and much more.
Compare Seconds Interval Timer to Nullstack or Bursta: