
Mentimeter
Kahoot!
Poll Everywhere
AhaSlides
Glisser
Wooclap
Crowdpurr
Slido is the ultimate Q&A and polling platform for live and virtual meetings and events. It offers interactive Q&A, live polls and insights about your audience.
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.

Which is more popular?
Based on our record, Sli.do seems to be more popular. It has been mentioned 1 time 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 | sli.do | secuso.aifb.kit.edu |
| Pricing | — | |
| Platforms | — | |
| Company | 2012 | — |
| Listed in |
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
Sli.do is recommended for event organizers, educators, corporate trainers, webinar hosts, and conference managers. It is ideal for those looking to increase engagement in hybrid or virtual settings and for anyone seeking to make meetings and events more interactive and participant-focused.
Overall verdict
Why this product is good
Recommended for
Walkthroughs and reviews on video.
What is Slido
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 Sli.do and Interval Timer (PFA). For example, how are they different and which one is better?
External articles and on-site reviews we used to compare the two products.

The plans are not the same. Slido Professional has moderation, branding and multiple rooms, among other things, and Mentimeter’s conference pack has Excel export and editing together with your team. klapp has no...
Yet another highly rated tool, Slido helps you build interactive polls, quizzes or surveys. The tool is scalable and can cater their services to both individuals, and businesses. The participants don’t need to...
Slido shares many features with the other tools on this list. But it also lets your audience prioritize questions for Q&A sessions by upvoting/downvoting them – a concept that Reddit users will be familiar with. Also,...
We have no reviews of Interval Timer (PFA) yet. Be the first one to post
Recommendations tracked on public social media and blogs since March 2021.

Does anyone know of a open source self-hosted alternative to sli.do? Source: about 5 years ago
Tracking Interval Timer (PFA) since Jun 2025.
When comparing Sli.do and Interval Timer (PFA), you can also consider the following products.

a web-based polling tool for workshops, conferences & events
Compare Mentimeter to Sli.do or Interval Timer (PFA):
An app for managing and performing timed workouts.
Compare Workout Time! to Sli.do or Interval Timer (PFA):

Kahoot! makes it easy to create, play and share fun learning games in minutes—for any subject, in any language, on any device.
Compare Kahoot! to Sli.do or Interval Timer (PFA):
A simple timer for your workouts, built with Flutter!
Compare Just Another Workout Timer to Sli.do or Interval Timer (PFA):

Audience response system that uses mobile phones, twitter, and the web. Responses are displayed in real-time on gorgeous charts in PowerPoint, Keynote, or web browser.
Compare Poll Everywhere to Sli.do or Interval Timer (PFA):

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 Sli.do or Interval Timer (PFA):