Workout Time!
TimeR Machine
Seconds Interval Timer
Just Another Workout Timer
Intertakt
The Interval Timer
HIIT
Privacy Friendly Interval Timer supports the user during his/her circuit training session and helps him achieve his/her training goals.

Jira
Asana
Trello
ClickUp
monday.com
Notion
Basecamp
Streamlined issue tracking for software teams

Which is more popular?
Based on our record, Linear seems to be more popular. It has been mentioned 163 times since March 2021.
Website, pricing, platforms and company facts side by side.
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ITP
Interval Timer (PFA)
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| Website | secuso.aifb.kit.edu | linear.app |
| Pricing | — | |
| Company | — | Startup from the United States |
| Listed in |
What each product offers, as listed by its team.

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Why this product is good
Recommended for
Overall verdict
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Recommendations tracked on public social media and blogs since March 2021.

Tracking Interval Timer (PFA) since Jun 2025.
- Annoying takeover of browser scrolling Of course you would be impressed if you see something like this the first time. If every third company has websites like this, it gets annoying. I don't remember any of them They look cool on... - Source: Hacker News / 13 days ago
Speed matters. Not speed in sprint or linear dashboards. Not speed in story points. - Source: dev.to / 4 months ago
Model Context Protocol, for context, is the emerging standard for letting AI agents pull live data from external systems without custom integration code. Freshworks has implemented it as a native layer in Freddy AI, which means agents... - Source: dev.to / 4 months ago
When comparing Interval Timer (PFA) and Linear, you can also consider the following products.
An app for managing and performing timed workouts.
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The #1 software development tool used by agile teams. Jira Software is built for every member of your software team to plan, track, and release great software.
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TimeR Machine is a free interval timer for not just workout and exercise, but also any situations you need to construct personalized, multi-stage timer plans. It's highly customizable and able to create almost whatever kind of timer you need.
Compare TimeR Machine to Interval Timer (PFA) or Linear:

Asana project management is an effort to re-imagine how we work together, through modern productivity software. Fast and versatile, Asana helps individuals and groups get more done.
Compare Asana to Interval Timer (PFA) or Linear:

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 Interval Timer (PFA) or Linear:

Infinitely flexible. Incredibly easy to use. Great mobile apps. It's free. Trello keeps track of everything, from the big picture to the minute details.
Compare Trello to Interval Timer (PFA) or Linear: