Quiztones: Ear Training for EQ 4+

Get better mixes in two weeks

The Pro Audio Files

    • 4.0 • 4 Ratings
    • $14.99



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Train your ears to recognize boosts and cuts in frequency and take your mixes, recordings and productions to the next level with Quiztones EQ ear training for audio engineers, producers and musicians.

Quiztones uses tones and frequency-altered noise and musical loops (including source material from your own music library) to train your ears so you can intuitively identify frequency boosts, cuts and changes in level and develop more acute listening, EQ and frequency recognition skills.

Quiztones will...

• Improve your mixing, recording and EQ'ing chops
• Sharpen your ears and frequency recognition skills
• Help you achieve clarity in your mixes and recordings
• Develop an intuition for which frequencies to boost or cut
• Learn how to identify and remove problematic frequencies
• Help you identify and eliminate PA system feedback for live sound
• Remove the need to sweep for frequencies in a mix
• Help you get cleaner mixes by learning to use EQ like a pro

Quiztones cleverly uses quizzes to guide you through various training exercises, and lets you track your progress with a built-in score log.

Each EQ quiz includes four trainers:

• Easy frequency boost (+10 dB)
• Hard frequency boost (+5 dB)
• Hard frequency cut (-10 dB)
• Expert frequency boost (+5 dB – 1/3 octave)


• iTunes/Music Library
• Tones
• Pink Noise
• Piano
• Drums
• Strings
• Strings 2
• Orchestra
• Electric Bass
• Upright Bass
• Female Vocals
• Electric Guitar
• Acoustic Guitar

Each gain level comparison quiz includes two difficulty levels.


"Turns out, this app offers everything offered in that Berklee class of mine… in an app!"

- Damian Erskine, No Treble

“The Quiztones app is far and away the best app I've purchased. It's an incredible tool for all audio engineers and musicians ... My mixing has improved by leaps and bounds after just a few weeks with Quiztones.”

- Austin McAllister

A professional Audio Engineer of 10 years, I've come across many ear training devices, blind tests, and software. This app is TOPS! Highly recommended! The developers are serious about what they do. You will not be disappointed!

- Joel Avery

Why We Created Quiztones EQ Ear Training Apps...

We thought there should be an easier way to learn how to use EQ, train your ears and expedite the path to getting professional quality mixes, recordings and productions.

When I was at music school ten years ago studying audio engineering and music production, my teacher turned an iMac around, pulled up an EQ in Pro Tools and started quizzing the class on which audio frequencies he was boosting or cutting in a mix. That's when it hit me — this should be an app, with various difficulty levels, a scoring system and the ability to import your own source material for quizzes that will teach you how to use EQ like a pro.

Fast forward to today — 50k app downloads later — and we're still just as excited to keep evolving Quiztones to help you take your mixes, recordings and productions to the next level.

What’s New

Version 1.5.8

Bug fixes and improvements

Ratings and Reviews

4.0 out of 5
4 Ratings

4 Ratings

kai g 101 ,

Extremely valuable tool, but some bugs

Very, very useful app, with some really great quizzes. They've included everything you need to become better at identifying frequencies and decibel ratios by ear. However, I found a bug - if you click the correct answer multiple times, it boosts your score and throws the whole scoring and question system off. Should be an easy fix.

KenJC22 ,


It's very practical and useful! It has helped me identify frequencies a lot quicker for mixing, or problematic frequencies in your mix. I got it on my phone and now also on my Mac. I LOVE it.

ct6mblue ,

Still a major flaw...

The new version did not fix a major flaw that was present in the last version. When doing the EQ quizzes with your own music, due to the level of modern mastering, applying any boost to a track that is already peaking at 0 dBFS will cause clipping.

There should at least be some form of internal compensation in the app, for example: if the EQ quiz you’re attempting is going to be using an 8 dB boost, reduce the track level by 8 dB to give yourself headroom to actually be able to boost some frequency by 8 dB. Otherwise, it’s just going to distort, especially at low freqeuncies. This happens regardless of the level from the computer itself.

I feel that doing the EQ quizzes with your own music is most beneficial because it lets you hear EQ changes in a context in which you are already familiar. However, this is very difficult with this app because of the clipping/distortion that occurs.

App Privacy

The developer, The Pro Audio Files, has not provided details about its privacy practices and handling of data to Apple. For more information, see the developer’s privacy policy.

No Details Provided

The developer will be required to provide privacy details when they submit their next app update.


  • Family Sharing

    Up to six family members can use this app with Family Sharing enabled.

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