Vital
Omnisphere
Unstable by De La Mancha
Korg Legacy Collection
Dumpster Fire by Freakshow Industries
Nexus 2
SketchCassette
VST for FL Studio, Ableton Live, and many other VST supported DAWs. Heavily utilized in EDM.

Interval Timer (PFA)
Seconds Interval Timer
Interval Trainer Pro
Interval Timer
Workout Time!
Just Another Workout Timer
Exercise timer
Free online interval timer for HIIT, Tabata, EMOM, AMRAP workouts. Customizable work/rest periods, rounds, cycles, and sounds. Works on any device.

Which is more popular?
Based on our record, Serum seems to be more popular. It has been mentioned 30 times since March 2021.
Website, pricing, platforms and company facts side by side.
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Serum
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| Website | xferrecords.com | theintervaltimer.com |
| Company | 2014 | — |
| Listed in |
In their own words, as submitted to SaaSHub.

The dream synthesizer did not seem to exist: a wavetable synthesizer with a truly high-quality sound, visual and creative workflow-oriented interface to make creating and altering sounds fun instead of tedious, and the ability to “go deep” when desired - to create / import / edit / morph...
No description of The Interval Timer yet.
What each product offers, as listed by its team.

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

Overall verdict
Why this product is good
Recommended for
Overall verdict
Why this product is good
Recommended for
Walkthroughs and reviews on video.
THIS PLUGIN IS JUST REALLY REALLY GOOD!!! (Serum Plugin 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 Serum and The Interval Timer. For example, how are they different and which one is better?
Recommendations tracked on public social media and blogs since March 2021.

What matters though is choosing a good synthesizer. I personally use Serum (~190$) for most things, since it's easy to use and has a big community with a lot of free and paid presets. Source: about 3 years ago
One of the problems I am currently facing is having a large lookup table. I want to have a large set of predefined sound waves that can be manipulated like programs such as Serum. Is this still possible with an MC instead of an MCU?... Source: over 3 years ago
You'll have to find some other alternative for your Text-to-speech needs. Serum has a basic speech synth, Vital uses Amazon's TTS solution, and you'll find plenty more with a quick google search. Source: over 3 years ago
Tracking The Interval Timer since Apr 2025.
When comparing Serum and The Interval Timer, you can also consider the following products.

Vital is a spectral warping wavetable synthesizer with drag'n'drop modulation workflow and animated preview of the synth's inner workings where needed. Comes with many modulation sources (including audio-rate), MPE support and FX chain.
Compare Vital to Serum or The Interval Timer:
Privacy Friendly Interval Timer supports the user during his/her circuit training session and helps him achieve his/her training goals.
Compare Interval Timer (PFA) to Serum or The Interval Timer:

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 Serum or The Interval Timer:

Unstable by De La Mancha is a pitch modulation effect tool packed with inspiration and creativity.
Compare Unstable by De La Mancha to Serum or The Interval Timer:

Interval Trainer Pro is a cutting-edge tool built to serve people interested in HIIT Crossfit Interval Training.
Compare Interval Trainer Pro to Serum or The Interval Timer: