Pitch trainer - Harmonize

Pitch trainer - Harmonize

Ear training & perfect pitch

415 ratings
101 reviews
Free
In-App PurchasesWith Ads

Lowest price: Free 4 years ago (-100%)


Price history


Details

  • Released
  • Updated
  • February 20, 2015
  • October 7, 2026

Features

Pitch trainer - Harmonize screenshot #1 for iPhone
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Pitch trainer - Harmonize screenshot #10 for iPhone
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About

Develop perfect and relative pitch with this ear training app focused on just intonation. Learn to identify and match harmonic intervals by ear, moving beyond equal temperament. Ideal for musicians and singers seeking precise intonation.

✓Just intonation ear training
✓Perfect and relative pitch development
✓Double-stop note learning
✓Harmonic interval matching
✓Beat-based tone adjustment
Show original description
+1

What's New in Pitch trainer

26.10.7

October 7, 2026

■ A tuning guide for your first Double Stop questions In the first 3 Unison and Octave questions, a pitch ruler appears on the left while you play, showing how far you are from the target line. When the two notes sound together, ripples spread out, and "Beats: fast / slow / gone" tells you when you are perfectly in tune. ■ A brand-new Tutorial Practice on the same screen as Double Stop: listen to the example, watch how it's done, tune it yourself, then press GO. When you finish, you can jump straight into Double Stop. ■ Also - Fixed a slight finger slip at the moment of lifting that could turn a correct answer into a miss - Fixed question names and result text being cut off with larger text sizes - Fixed the spelling of "Excellent!" on a 3-star clear - The note on the purchase screen no longer breaks in the middle of a word - Minor fixes and stability improvements

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Subscriptions & In-App Purchases

$29.99

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A big tip to cheer for developer.

User reviews

音感鍛える

神アプリ

Response from developer

ありがとうございます!とても励みになります。これからもお楽しみください。

吹部です!

ずっと苦手だったピッチの合わせができるようになってきて嬉しいです!!!様々な知識が手に入って暇な時間もより一層部活のことに集中できるようになりました!
音階はドイツ音名でやっているのですが、InFやInE♭はできないのでしょうか?

Response from developer

レビューをありがとうございます。苦手だったピッチ合わせができるようになってきたとのこと、とても嬉しいです。 in F・in E♭ の表記は、現在は実音(in C)のみですが、移調楽器向けの音名表示に対応する予定です。ドイツ音名のまま、ホルンやサックスの読みで表示できるようにします。準備ができ次第、アップデートでお届けします。 部活での練習に役立てていただけて光栄です。

和音のステージ

バージョンアップで単音が鳴るようになりましたが、以前のように和音だけが鳴るような設定はないでしょうか。

Response from developer

ご意見ありがとうございます。分かりにくくなってしまい申し訳ありません。 お手本ボタン(緑)を押したときは、以前と同じように和音がそのまま鳴るように直しました。 問題が始まるときの自動再生は、構成音を1音ずつ聴いてから重ねる形のままにしています。 この変更はまだ配信前で、次のアップデートに入ります。 今しばらくお待ちください。

TERRIFIC for ANY MUSICIAN!

I’ve pretty much had this app since early 2020, and I’ve loved it ever since. I really love the additions that this app has added on especially the rhythm games, new pitch games, tuner, metronome, etc. I REALLY love this app and I can’t wait to see what can be furthermore done with this app and its possibilities.
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Response from developer

Thank you for sticking with Harmonize since 2020 — that means a lot. We're still building: the next update brings a new practice stage and a number of refinements to the existing ones. It hasn't shipped yet, so please give it a little time. If there's something you'd like to see in Harmonize, we'd love to hear it.

It is great and has helped me but….

I like this app so much and it helps me with pitch althoughI do wish the user could determine the range the pitch is in, Personally I wish I could choose the range of the bass guitar.

Response from developer

Thank you so much — it means a lot that Harmonize has been helping you. And what a wonderful idea. Choosing your own range to practice in, like the bass guitar’s, is exactly the kind of thing that would make this ear training richer. I’d love to look into adding it. Thank you for sharing it.

Developer apps

FAQ

What is this app for?

This app is designed to help users develop perfect and relative pitch through ear training exercises. It specifically focuses on the principles of just intonation, teaching users to identify and match harmonic intervals by ear.

How does the app teach just intonation?

The app plays two sounds simultaneously and requires users to match them based on just intonation principles, which differ from equal temperament. Users adjust the tone until they achieve a clear, beat-less sound, indicating a just interval.

Who would benefit from using this app?

This app is beneficial for a wide range of individuals, including those learning chords in just intonation, singers aiming for better karaoke performance, and members of brass bands and orchestras who require precise intonation.

Is this app free to use?

The application is free to download and use, but it does offer in-app purchases. This means certain features or content may require an additional purchase to access.

What is the reference tone used in the app?

The reference tone used for chords in this application is A=442 Hz. This standard tuning frequency ensures consistency in the exercises and helps users calibrate their ear training.