Every musician should work on Ear Training (or Aural Training) and Interval Ear Training is a very important element of ear training. To put it very simply, you will learn to recognise the relationship between two notes (by distance), when they are played together or apart!

There are two types of interval listening, harmonic and melodic. In harmonic intervals the notes are played at the same time and in melodic the notes are played one after the other. Easy to remember: Melodic Intervals make melody, Harmonic Intervals make harmony!

Many of you will probably want to understand how the names are found and how to work out the interval note names in every key. For this info you probably want to check out my ebook Practical Music Theory (available from which will explain all the theory related to this.

This app deals specifically with Interval Ear Training, both melodic and harmonic. It will start very easy and gradually get harder as you get more correct and can pass each stage. You can choose from Piano or Guitar Input for your answers, and you can chose to hear the notes and guitar or piano. Personally, I'd recommend getting used to both. In "Training Mode" you can select specific intervals to work on if you are struggling with just specific intervals or types of interval.

I'm sure you'll find this app very helpful, all you need to add is practice time!

Best wishes, Justin

What’s New

Version 2.14

This update includes some changes to the layout and some new options to replay notes and fix the root note. Thanks to everyone for your feedback and ideas for the app.

Ratings and Reviews

3.9 out of 5
38 Ratings

38 Ratings

TheDav1 ,

Amazing but One Important Problem!

I really love this app..this is amazing and a necessity for my training. I can’t thank you enough. However there is one problem, on the descending 4th and 5th intervals I think it is wrong. If the starting note is on the 5th fret, 4th string...the 4th interval should be on the 3 fret, 3 string... while the 5th should be the 5th fret, 3 string. I think it is wrong on the app and opposite. Please fix this if it is broken, because it will screw up people’s hearing in the future.

One 2nd ,

Good Idea, Poorly Designed

Some may find use in this app, but as a novice I think it’s too difficult and it only gets harder. After almost every question, it switches up the key and octave. There is no option to limit keys or octaves. This confused me. After using the app for 12 hours, I was convinced that I was tone deaf.

Level one (easiest) starts off by playing a root note then another note and asks you to guess the second note played, which is either a perfect fourth or fifth. Those are, in my opinion, the two hardest notes to identify in the major scale because they’re the furthest notes from the roots. It should have started off with R, 2, 3, 6, 7, Octave all in one key; instead it does exactly the opposite of this. I have a few other gripes as well, but if these two problems were fixed I probably would have been satisfied with my purchase.

I downloaded another app which was free and it’s infinitely better. It starts off in C major with options for R, 2, 3, & 4. I learned more in 10 minutes with that app than I did in a week with this one. Turns out I’m not dumb, this app is. The only person who would benefit from this is someone with a great ear or a masochist. Unfortunately I do not have a great ear which is why I bought this app in the first place. It’s too bad, I really wanted to like it, but for my purposes it’s totally useless.

If anyone is interested the other app is called Functional Ear Trainer. It’s terrific.

9201 5606 71 ,

Easy to use and customizable

This has been a great app to learn intervals from. It has a training mode, which allows you to specify what intervals to train. I spend a lot of time using this feature for problem areas. I do wish this app had some additional / customization. I'd like to know at what pitch my ears start to waiver and it would be great to specify a pitch range in training mode.

Side note: I had a lot of issues being successful with this app until I started using mnemonics. Search for ear training mnemonics. There are a lot of good suggestions out there.


Justin Guitar Ltd
76 MB

Requires iOS 10.3 or later. Compatible with iPhone, iPad, and iPod touch.



Age Rating


  • Family Sharing

    With Family Sharing set up, up to six family members can use this app.

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