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

Logseq
Obsidian
Zim Wiki
Nuclino
Trilium Notes
TiddlyWiki
Roam Research
Personal knowledge management and sharing on VSCode & GitHub

Which is more popular?
Based on our record, Foam seems to be more popular. It has been mentioned 49 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 | foambubble.github.io |
| Pricing | — | |
| Company | — | Startup from the United States |
| Listed in |
What each product offers, as listed by its team.

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

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Why this product is good
Recommended for
Overall verdict
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These panels DESTROYED my STUDIO....REVERB? - ArrowZoom Foam Review
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How often each product is chosen within a category, 0–100% relative to the other.

Share your experience with using Interval Timer (PFA) and Foam. For example, how are they different and which one is better?
Recommendations tracked on public social media and blogs since March 2021.

Tracking Interval Timer (PFA) since Jun 2025.
Choose a local Markdown tool like Obsidian, Logseq, Foam, or Tolaria to store all your knowledge as plain .md files you own and control. - Source: dev.to / 6 months ago
I've been using foam instead of obsidian for my personal knowledge base. It works rather well. And it's completely free and ultimately just markdown. While I might wish it was djot, I don't wish hard enough to make that so myself... - Source: Hacker News / about 2 years ago
I gave up on Obsidian and just use Foam (https://foambubble.github.io/foam/) and/or vimwiki. I just can’t get into overwrought, arbitrarily designed organization schemes or proprietary apps (Foam-managed content is just plain Markdown,... - Source: Hacker News / over 2 years ago
When comparing Interval Timer (PFA) and Foam, you can also consider the following products.
An app for managing and performing timed workouts.
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Logseq is a local-first, non-linear, outliner notebook for organizing and sharing your personal knowledge base.
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A simple timer for your workouts, built with Flutter!
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A second brain, for you, forever. Obsidian is a powerful knowledge base that works on top of a local folder of plain text Markdown files.
Compare Obsidian to Interval Timer (PFA) or Foam:

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 Foam:

Zim is a graphical text editor used to maintain a collection of wiki pages. Each page can contain links to other pages, simple formatting and images.
Compare Zim Wiki to Interval Timer (PFA) or Foam: