Pitch Diagram: Vocal Tuner

Pitch Diagram: Vocal Tuner

Audio graphs & singing tools

3 ratings
8 reviews
$1.99 Free
In-App Purchases

Price history


Details

  • Released
  • Updated
  • April 30, 2025
  • May 15, 2026

Features

Pitch Diagram: Vocal Tuner screenshot #1 for iPhone
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About

Visualize your vocal or instrumental pitch in real-time with detailed audio graphs. This tool helps identify intonation issues, track accuracy, and refine your sound with multiple analysis and generation features.

Real-time pitch graph
Pitch spectrogram for polyphonic audio
Cent-accurate chromatic tuner
Intonation tracking
Spectrum analyzer
Tone generator with multiple waveforms
Customizable view options
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What's New in Pitch Diagram

1.8.0

May 15, 2026

- Keyboard: Playable piano-style keyboard with sampled instruments, visual feedback, a compact transport bar, and quick octave selection. - Interval Trainer: Practice hearing intervals in key over chord progressions, with stepped levels that get harder as you improve. - Solfege Trainer: Same kind of flow, but you sing the target scale degree while a live pitch diagram follows you.

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Subscription plans

Unlimited Usage

Gives you access to PitchDiagram for 1 year

$1.991 Year
How to cancel Pitch Diagram subscription ⁉️

User reviews

Great Tuner, Fantastic Learning/Teaching Tool

The app receives regular updates that add cool new features! It’s quick and intuitive. Pitch diagram can be used for ear training to help with learning to match pitch, and for singers and wind players to help with note stability, and it provides a powerful visual framework for young learners. The developer has plans for more improvements I am happy to subscribe for the very reasonable rate!
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Great Tuner, Fantastic Learning/Teaching Tool

The app has received several cool new features in a short time. Now it has polyphonic & accuracy modes, as well as transpose buttons for instruments that aren’t “concert-pitched”. It’s quick and intuitive, showing the pitch value over time on a scrolling x/y grid. Pitch diagram can be used for ear training to help with learning to match pitch, and for singers and wind players to help with note stability, and it provides a powerful visual framework for young learners. The developer has plans for more improvements I am happy to subscribe for the very reasonable rate!
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Great Tuner, Fantastic Learning/Teaching Tool

This is an extraordinarily useful monophonic spectrographic tuner. Not only is it quick and intuitive as a general tuner, it is also versatile. The new Note Accuracy mode provides more precision for sources that are more stable. The regular pitch diagram can be used for ear training to help with matching pitch, and for singers and wind players to help with note stability, and it provides a powerful visual framework for young learners. I was happy to subscribe for the very reasonable rate!
Show more

Great Tuner, Fantastic Learning/Teaching Tool

This is an extraordinarily useful monophonic spectrographic tuner. Not only is it quick and intuitive as a general tuner, it is also versatile. The new Note Accuracy mode provides more precision for sources that are more stable. The regular pitch diagram can be used for ear training to help with matching pitch, and for singers and wind players to help with note stability, and it provides a powerful visual framework for young learners. I was happy to subscribe for the very reasonable rate.
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For everyone liking to sing/play music combining it with functional app and a firework of colors

Fantastic app, use it all the time while singing. The visuals are just so cool!

FAQ

What is Pitch Diagram?

Pitch Diagram provides real-time visual feedback on your singing or playing, displaying pitch as a smooth, scrolling graph. It helps identify intonation issues and track accuracy down to the cent.

What tools does Pitch Diagram offer?

It includes a real-time pitch diagram, a pitch spectrogram for polyphonic audio, a cent-accurate chromatic tuner, an intonation tracker, a spectrum analyzer, and a tone generator.

Can I customize the view in Pitch Diagram?

Yes, you can switch between grid lines and a piano roll background, adjust the visible octave range, toggle a waveform strip, transpose notes, set custom reference tuning, and switch between letter and solfege note labels.

How does Pitch Diagram handle free usage?

The first 10 minutes of usage are free and uninterrupted. After that, you can use the app in 1-minute sessions for free.

What is the subscription plan for Pitch Diagram?

There is an 'Unlimited Usage' subscription plan available for $1.99 per year, offering uninterrupted access to all features.

What devices is Pitch Diagram available on?

Pitch Diagram is available on iPhone and iPad devices.

How often is Pitch Diagram updated?

The app was last updated on March 21, 2026, indicating a commitment to ongoing development and improvements.

Is Pitch Diagram suitable for beginners?

With its visual feedback and tuning tools, Pitch Diagram can be beneficial for beginners looking to develop their ear and pitch accuracy, alongside experienced musicians.