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hearEQ: Ear training for musicians, sound engineers, and audio lovers

By Ten Kettles Inc.

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REVIEW: “After half an hour with the app I had a noticeable improvement to my score, but I was also thinking in much clearer terms too!” -Tim Webb,

BEST OF: Named one of the "The best iPhone and iPad apps for musicians" by AppPicker,

REVIEW: "hearEQ…makes the experience of ear training enjoyable enough to seem like fun. [It's] a great educational tool." -Tom Flint, Sound on Sound: The World's Best Recording Technology Magazine

REVIEW: “The principle behind hearEQ is beautifully straightforward…even with a little repetition, things do start to improve and I suspect if you were to build some hearEQ into your daily musical routine, you would soon reap some positive benefits.” -John Walden,

TESTIMONIAL: “This handy app is one of the greatest tools I've seen for helping you hear exactly how EQ adjustments affect your sound. Wish I would have had this when I was first learning how to mix live sound.” - James Wasem,


Every frequency range has a colour, a quality, a character. For sound engineers, musicians, and other enthusiasts, knowing how to apply this to an equalizer (EQ) can make a transformational change to your sound—whether you're mixing a live concert, a recording, or even playing music through iTunes. (VIDEO @

It's a simple app with a powerful promise: if you learn the qualities of each frequency band—for example, cutting 4kHz puts sound in the background—then you can make equalization work for you, and truly transform your sound into something professional and beautiful.

hearEQ uses your favourite songs to create custom ear training exercises that a) teach you all about frequency bands, and b) help you really hone your EQ skills. A standard 10-band equalizer is used, just like you'd find in iTunes and on many professional sound mixers. Your song will be played back with a simple equalization applied—and you guess what it was!

> Was it really clear, maybe a bit hollow? Could be a 1000 Hz cut.

> Was it muddy? Maybe that's a 500 Hz boost.

> Was it really present, almost too in-your-face? Sounds like a 4kHz boost.

Ten questions, ten frequencies, and then you get a score. Want to focus on just a few frequency bands to start? You can do that too. Keep at it, and you'll be an EQ master in no time.

Want to learn more? Check out our site and the hearEQ video at

What's New in Version 1.4.0

This update brings full iOS 9 optimization to hearEQ. We've also put a ***brand new audio engine*** inside hearEQ, which means 1) more stability, and 2) speaker playback is now fully supported. Got any feedback, comments, or suggestions? Get in touch at -Alex


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Customer Reviews

So far I like it

It's a pretty smart way to become familiar with frequency ranges, by removing or adding peaks to songs in my library. It's much harder to do than I thought it would be.

Edit: the more I use this, the better I think it is. It has the side benefit of training my ears to hear how famous songs would sound if their overall balance was disturbed and I think it's making me better at knowing what a well-balanced mix sounds like.

Excellent for audio students

I love the fact that you can pick your weak frequencies to work on. Very accurate and customizable.

hearEQ: Ear training for musicians, sound engineers, and audio lovers
View In iTunes
This app is designed for both iPhone and iPad
  • $2.99
  • Category: Music
  • Updated:
  • Version: 1.4.0
  • Size: 13.5 MB
  • Language: English
  • Seller:

Compatibility: Requires iOS 8.0 or later. Compatible with iPhone, iPad, and iPod touch.

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