pianoscope – Piano Tuner

pianoscope – Piano Tuner

Professional piano tuning

272 ratings
81 reviews
#189 in top-grossing Music
🔧 Utilities
🎵 Music
Free
In-App Purchases

Details

  • Released
  • Updated
  • May 18, 2021
  • June 29, 2026

Features

pianoscope – Piano Tuner screenshot #1 for iPhone
pianoscope – Piano Tuner screenshot #2 for iPhone
pianoscope – Piano Tuner screenshot #3 for iPhone
pianoscope – Piano Tuner screenshot #4 for iPhone
pianoscope – Piano Tuner screenshot #5 for iPhone
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About

This app transforms your mobile device into a professional piano tuning assistant. It offers advanced features for precise tuning, inharmonicity measurement, and custom tuning style creation for both professional tuners and dedicated pianists.

Inharmonicity measurement
Customizable tuning styles
Pitch raising assistance
Automatic key recognition
Graphical tuning feedback
Cloud synchronization for tuning documents
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What users say

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What's New in pianoscope

4.0.5

June 29, 2026

FIXED ISSUES • Changes to a custom tuning style are now saved reliably. • The notes for the highest wound string and the treble struts of a pitch raise can now again be set by playing them on the piano. • Opening a tuning document is no longer occasionally delayed by a few seconds.

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Subscription plans

Pro Annual Subscription

Unlocks professional tuning features

$169.991 Year
How to cancel pianoscope subscription ⁉️
6

In-App Purchases

Free

14-day Trial

Free trial of all features

Charts

Top Grossing

📉 189-9

Music

This app dropped -9 positions in Music chart.

Last updated on July 21, 2026.

Events

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User reviews

Fantastic App

Very accurate, easy to use.

Super

Das ist eins der besten Softwareentwicklung die ich kenne

Mise au diapason 435hz

Bonjour,

Je pense avoir rencontré un problème avec PianoScope.

J’ai créé un nouveau fichier d’accord entièrement depuis zéro. Avant de commencer la pré-mesure, j’ai réglé le diapason de concert sur 435 Hz dans les paramètres de l’instrument.

Après avoir effectué la pré-mesure et commencé l’accord, PianoScope indique que le La4 est parfaitement accordé (0,00 cent). Cependant, la fréquence affichée est d’environ 439,3 Hz.

Pour vérifier, j’ai utilisé une autre application d’accordage (Pano Tuner), qui mesure également 439,3 Hz pour cette même note.

Mes paramètres sont les suivants :

* Diapason de concert : 435 Hz
* Tempérament : Égal
* Nouveau fichier d’accord créé après avoir réglé le diapason sur 435 Hz.

Malgré cela, PianoScope semble toujours accorder le La4 autour de 439–440 Hz, alors qu’il devrait être proche de 435 Hz.

Est-ce le fonctionnement normal de l’application ? Ai-je oublié un réglage particulier, ou s’agit-il d’un bug ?

Je peux également vous transmettre des captures d’écran des paramètres et des mesures si cela peut vous aider à identifier le problème.

Merci d’avance pour votre aide.
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Response from developer

Bonjour, je pense que vous avez utilisé le mode Mise au diapason de pianoscope. Ce mode doit être utilisé lorsque vous montez ou descendez fortement la hauteur d'un instrument, par exemple de plus de 5 cents en moyenne. Dans ce mode, une fois la pré-mesure effectuée, pianoscope calcule une valeur de surcompensation spécifique pour chaque note. La surcompensation signifie que pianoscope vous fait accorder plus haut (au moyen des marqueurs de cible orange en forme de triangle) que la hauteur cible, afin de tenir compte du mouvement de la table d'harmonie et du cadre en fonte qui se produira lorsque vous accorderez les notes suivantes. Dans ce mode, vous devez accorder de façon linéaire de La0 à Do8 et accorder les unissons au fur et à mesure, car le calcul de la surcompensation repose sur cet ordre. D'après votre description, je ne peux pas déterminer si vous avez suivi cet ordre ni si vous avez accordé d'autres notes après avoir accordé le La4. La mise au diapason part du principe que l'accord des notes situées au-dessus du La4 fera redescendre la hauteur du La4 près de la hauteur cible réellement visée. Pour plus d'informations sur le mode Mise au diapason, consultez le manuel utilisateur https://www.pianoscope.app/manual4/website/en/pitch-raise-pro/basics/index.html (disponible en anglais uniquement).

Works like a charm!

I have only used the free trial and am still contemplating buying it, but if you want a reliable piano tuner this is it! Worked well, worked with all 88 keys and was precise! Sometimes a bit too precise… 😅
Great app! Would highly recommend!

😍Amazing🎹Tuner🥳

Really love this tuner and was able to successfully a severely detuned [untuned for decade(s?)] upright I was gifted, despite it being my first time piano tuning - although I have decades of mechanical and multi-instrumental + mixing & mastering production under my belt. This app was clutch in pulling it off successfully. The pro features are amazing and I'd love to give 6+ stars for the automatically ending free trial in stark opposition to the dastardly auto-enrollment avaricious big companies do. I sincerely applaud the developer's integrity! 🙌 IMHO, the pro version is where it's at, but at 600$ it is steep and although I believe that's a fair price for how cutting edge the algorithm is, I would love to see an installment option; like if you could buy pro for a year (150$) and after 4 years that converts to the lifetime that would be awesome. I did just find out that if you buy the standard for 100$, you only pay the difference to upgrade to pro, so perhaps the pro sub works as described above? Idk I found out about the upgrade on their site forum but cannot find any info on how the sub works. Im gonna snag the standard version for now so I can tune up thru the winter seasons swings. Thanks again for making such a beautiful app. Happy playing y'all! 🎹 🎉 Love & Blessings! ❤️💛💚
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Response from developer

Thank you for your feedback. Unfortunately, the Apple App Store does not offer installment payments. So for now, you have the option to do a one-time purchase of the pro version or do a subscription. You can always upgrade from the Standard version one-time purchase to the Pro version later by just paying the price difference.

User experience

🐞

Reported Bugs

8 issues

App freezes during free trial signup

Bug

Unable to cancel or disable free trial subscription

Bug

Automatic subscription enrollment not clearly communicated

Bug

Error: Unable to process request

Bug

App refuses to allow tuning of specific pitch ranges

Bug

App won't delete completely, leaving residual files

Bug

Difficulty with high note detection in certain pianos

Bug

Rigid gatekeeping prevents tuning with incomplete instrument data

Bug

Requested Features

10 requests

macOS and Windows desktop versions

Feature

Spinner indicator option for familiar interface

Feature

Frequency display visible for all notes during tuning

Feature

Installment payment plans for Pro version

Feature

Chinese language support

Feature

More flexible pitch range settings for non-standard instruments

Feature

Ability to tune with missing or broken strings

Feature

Subscription cancellation clarity and easier management

Feature

Adjusted pricing for different geographic regions

Feature

Subscription option (e.g., yearly at $150 instead of $600 lifetime)

Feature

FAQ

What does pianoscope do?

pianoscope transforms your iPhone or iPad into a sophisticated assistant for creating high-quality piano tunings. It provides tools for professional piano tuners to increase precision and efficiency, and for passionate pianists to tune their own pianos.

What are the key features of pianoscope?

Key features include measurement of inharmonicity and overtone strengths, various tuning styles (Balanced, Octaves Pure, etc.), adjustable concert pitch, fast automatic key recognition, graphical tuning feedback, and the ability to create individual tuning documents. Pro features offer graphical representation of tuning curves and custom tuning style creation.

How much does pianoscope cost?

The app offers a free two-week trial. The 'pianoscope standard' and 'pianoscope pro' editions are available as in-app purchases, providing access to advanced features for pianists and professional tuners respectively.

What devices is pianoscope compatible with?

The app is designed for iPhone and iPad devices. It also supports iOS Dark Mode and allows synchronization of tuning documents between multiple devices via cloud services like iCloud Drive or Dropbox.

Who would benefit from using pianoscope?

Professional piano tuners can use the pro edition to enhance their precision and speed up processes like pitch raising. Passionate pianists can use the standard edition to learn how to tune their own pianos, achieving a finely balanced sound without years of hearing training.