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Screenshots

  • Spex Stereo EQ screenshot 1
  • Spex Stereo EQ screenshot 2
  • Spex Stereo EQ screenshot 3
  • Spex Stereo EQ screenshot 4

About Spex Stereo EQ

Roughly 9 years ago, I supported a product on Indiegogo called, Aumeo. It was a device that gave you a hearing test and then tailored the sound of your music based on your unique hearing profile. I really liked the results and wished that someone would bake this technology into phones, negating the need for a separate device. Spex was born out of this wish. Spex will give you a hearing test and then build a parametric stereo EQ based on the results. If the EQ is not exactly how you like it, you can fine-tune it with intuitive controls. First, you can slide the intensity slider to find your sweet spot. If you're still not satisfied, you can manually adjust the 12-band stereo EQ. The base version gives you unfettered access to create as many EQ profiles as you want. If you upgrade to Pro, you can also access a volume slider that will give you greater control over volume than is provided by the volume keys. Pro also gives you the ability to tweak the player interface and duplicate EQ's. If you want to skip the hearing test, you can jump right in and tap the Fine-Tune button on the default flat EQ to make use of the 12-band stereo EQ. Please note that the EQ can only be applied to non-encrypted tracks in your music library. This means EQ cannot be applied to subscription music tracks. If Apple provides a way to EQ encrypted tracks, I will update Spex.

What’s new

Version 2.4 · Updated May 6, 2024

Added a confetti animation that fires each time a band is completed during the hearing test. Smoothed out audio transitions within the hearing test.

App privacy

The developer, Justin Cohen, reported these privacy practices to Apple.

Data Not Collected

The developer does not collect any data from this app.

Alternatives to Spex Stereo EQ

Looking for apps like Spex Stereo EQ? Here are 6 similar apps on the App Store. The highest rated is SA60 (5.0/5), and all 6 are free to download.

Spex Stereo EQ vs. alternatives
App Rating Price Last updated Compare
Spex Stereo EQ – Free May 6, 2024
EQ550b 4.8 / 5 (14) Free Jan 2, 2026 Compare
EQ-A 4.8 / 5 (22) Free Dec 28, 2025 Compare
EQ550 4.5 / 5 (11) Free Jan 2, 2026 Compare
RRS EQ173 4.9 / 5 (22) Free Dec 29, 2025 Compare
SA60 5.0 / 5 (11) Free Dec 29, 2025 Compare
RRS EQ3 4.8 / 5 (25) Free Dec 28, 2025 Compare

Compare Spex Stereo EQ with the top alternatives: ratings, updates, ASO score and keyword gaps →