Functional Ear Trainer
Kaizen9 Apps
About this app
Ear training can be easy and fun! With a right approach.
Have you (or one of your friends) ever wanted to learn to transcribe or play music by ear?
It is so important for a musician to know what you are hearing. A good musical ear helps when you are composing, improvising, transcribing melodies, or playing with others.
Most likely you have already tried different programs to learn to recognize intervals or even to acquire perfect pitch. However, although such programs develop your ear, but can you actually play any melody you hear as soon as you listen to it?
Imagine you could understand music… It is like when somebody is talking to you, you not only hear pleasant sounds, but you recognize words and their meaning.
One day I came across Alain Benbassat's program called “Functional Ear Trainer” and have been using it ever since. It is based on Alain's ear training method to learn to recognize tones.
The main difference between the Functional Ear Trainer and other methods is that it teaches you to distinguish between tones in the context of a particular musical key. You begin to recognize the role (or function) of each tone in this key, which is incredibly similar to its role in other keys of the same scale.
And it is *guaranteed* anyone can gradually develop this skill. It does not matter:
– who you are – an absolute beginner in music or a virtuoso professional musician;
– how old you are – a 3 yo kid or a 90+ adult;
– what musical instrument you play (you don't even have to play one).
The only requirement is to practice for 10 minutes a day.
I was so excited about this ear trainer that I have developed an Android app based on the Alain Benbassat method. I hope you will find it useful.
Download this app right now, and have fun with your ear training!
Editor's Take
Functional Ear Trainer sits at 4.8 stars across 22.1 thousand ratings on Google Play, and is still building an audience.
In our experience, ratings this high on a educational app usually mean the pacing respects your time, the difficulty curve doesn't stall, and the team keeps fixing issues people actually raise.
Kaizen9 Apps is the publisher behind this release; we'd suggest taking a quick look at their other titles on Google Play if the style clicks with you. The last visible update lands 2026-01-31, which is a small but useful signal that the team is still shipping fixes rather than treating the app as abandoned.
Who This App Is For
A quick read on the audiences this app tends to click with, based on its category, content rating and track record on Google Play.
- Family-friendly playersContent is rated Everyone, so it's a safe pick for shared devices.
- Self-directed learnersStructured lessons or drills that you can pick up between other study sessions.
- Quality-first downloadersConsistently high ratings make this a low-risk trial, even at full volume on a new device.
- Free-tier explorersFree on Google Play, so you can trial the loop before deciding if it earns space on your home screen.
At a Glance
thumb_up What stands out
- Consistent high ratingsA 4.8-star average across 22.1 thousand ratings is a strong quality signal.
- Free to try on Google PlayNo upfront cost, so you can confirm the loop clicks before committing time or in-app purchases.
- Actively maintainedLast visible update 2026-01-31, suggesting the team is still shipping fixes.
- Known publisherPublished by Kaizen9 Apps — worth checking their catalogue for similar titles.
info Things to know
- Smaller user baseNiche community means fewer community guides — great for discovery, slower for help with edge cases.
- In-app purchases may applyFree-to-play economics are common in this category — open the Google Play listing to confirm the monetization model before committing.
- Check device compatibilityOlder devices or restricted regions sometimes filter out specific Google Play listings. Confirm on the official page before setting aside time.
App Information
Google Play Rating
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