# Piano Tuning App PT-A1 - US

> Professional piano tuning software with automatic note detection and high accuracy. (iPhone/iPad app by Yamaha Corporation of America.)

- Source: https://appshunter.io/ios/app/piano-tuning-app-pt-a1-us/id935490460 (this page in markdown: same URL + `.md`)
- Developer: [Yamaha Corporation of America](https://appshunter.io/developer/408058585)
- Category: Utilities
- Price: $699.99
- Rating: 3.70/5 from 3 App Store ratings · 3 written reviews indexed
- Age rating: 4+
- Requires: iOS 12.0 · 8 MB
- Languages: American English
- Released: 2015-03-01
- Data updated: 2026-08-29
- Monetization: paid
- User reviews in markdown: https://appshunter.io/ios/app/piano-tuning-app-pt-a1-us/id935490460/reviews.md

## What is Piano Tuning App PT?

YAMAHA PT-A1 is a piano tuning software for professional piano technicians who have mastered the basic skills of piano tuning. 
Simplicity and accuracy were the major considerations when designing the PT-A1, and its development was based on many years of experience of Piano design, manufacturing and education of Piano technicians in YAMAHA.
Equipped with the same basic functions and screen interface as the existing YAMAHA tuning machine/software, the new PT-A1 will provide you with easy and comfortable operation. In addition, the tuning and measurement efficiency is significantly improved by the newly designed automatic note detection function. 

SINCE THIS APPLICATION IS ONLY FOR PROFESSIONAL USE AND IS PRICED ACCORDINGLY, PLEASE READ END USER LICENSE AGREEMENT (EULA) CAREFULLY BEFORE YOU PURCHASE THIS LICENSE.

[Specifications]
Resolution   Less than +/- 0.2 cents
Pitch Setting    415, 435, 436, 438, 440, 441, 442, 443, 444, 445 (Hz)
Note Setting     KEY No., OCT/NOTE and Automatic note detection
Tuning Curve Setting   FLAT, UP, GP（〜227cm）, CF（275cm）, CUSTOM1-4
Range     A1-100 cents to C8 + 200 cents
Modes     Tuning Mode/Measurement Mode/Settings Mode
Computer related functions* Custom Tuning Curve Settings Graph drawing
    *Compatible with Windows version Excel only.
Compatibility   Requires iOS 6.1 or later. Compatible with iPhone, iPad, and iPod touch. 
Language   English

## Key features

- Professional piano tuning
- Automatic note detection
- High accuracy (+/- 0.2 cents)
- Customizable tuning curves
- Measurement mode
- Graph drawing for Excel

## Recent user reviews (3 of 3)

All indexed reviews: https://appshunter.io/ios/app/piano-tuning-app-pt-a1-us/id935490460/reviews.md

### 5/5 — It works well

*2021-08-12, version 1.2.1*

Very accurate tuner

### 1/5 — Tricky tactics $699

*2018-08-10, version 1.0.4*

I was charged $699 and it had no indication that it cost!!!!    Fraudulent

### 5/5 — clock

*2015-12-22, version 1.0.3*

Please update the app.
The clock is stopped to work.
Thanks!

## Frequently asked questions about Piano Tuning App PT

### What is Piano Tuning App PT-A1?

Piano Tuning App PT-A1 is professional piano tuning software developed by Yamaha. It is designed for experienced piano technicians and offers features like automatic note detection and high accuracy for efficient tuning.

### Is Piano Tuning App PT-A1 suitable for beginners?

No, Piano Tuning App PT-A1 is strictly for professional use. It requires users to have mastered the basic skills of piano tuning before purchase and use.

### What is the accuracy of Piano Tuning App PT-A1?

The application boasts a resolution of less than +/- 0.2 cents, ensuring a high degree of precision for professional piano tuning.

### What devices is Piano Tuning App PT-A1 compatible with?

Piano Tuning App PT-A1 requires iOS 6.1 or later and is compatible with iPhone, iPad, and iPod touch devices.

### How does Piano Tuning App PT-A1 compare to other tuning software?

This software is based on many years of Yamaha's experience in piano design and technician education, featuring the same basic functions and screen interface as existing Yamaha tuning machines for ease of use.

### Can I use Piano Tuning App PT-A1 offline?

The provided description does not specify offline functionality. However, as a professional tuning tool, it is likely designed for use in environments where internet connectivity may not be a primary concern for its core functions.

### What is the price of Piano Tuning App PT-A1?

Piano Tuning App PT-A1 is a paid application priced at $699.99. It is intended for professional use, and the price reflects its specialized nature.

### Does Piano Tuning App PT-A1 have ads?

No, Piano Tuning App PT-A1 does not contain advertisements. It is a professional tool designed for focused use without interruptions.

## Version history (last 5 releases)

### 1.3.1 — 2025-11-20

Taken care of the small issue.

### 1.3 — 2022-09-22

* Supports APPEARANCE "Dark" in settings.
* Display and screen size adjustment.
* Address minor display bugs.

### 1.2.1 — 2018-12-08

Timer Function
Forwarding / editing measured data
BeatTrainer

### 1.0.4 — 2016-03-08

Support for iOS9.
Fixed clock indication error.
Small bug fixes.

### 1.0.3 — 2015-06-22

Add new temperament, "Wercmeister III".

## Apps similar to Piano Tuning App PT

| App | Rating | Price | Category |
| --- | --- | --- | --- |
| [Convert PDF to Word.](https://appshunter.io/ios/app/convert-pdf-to-word/id1338152927) | 4.4 (151) | Free | Utilities |
| [Stayconnect With TV: Miracast](https://appshunter.io/ios/app/stayconnect-with-tv-miracast/id6498549218) | 4.6 (864) | Free | Utilities |
| [Parcel Pending](https://appshunter.io/ios/app/parcel-pending/id6467768006) | 4.0 (741) | Free | Utilities |
| [Moen Flo](https://appshunter.io/ios/app/moen-flo/id1495094343) | 4.3 (20,696) | Free | Utilities |
| [Hercules CP Mobile](https://appshunter.io/ios/app/hercules-cp-mobile/id1301857383) | 4.5 (13,661) | Free | Utilities |
| [TubeMate: Convert Video To MP3](https://appshunter.io/ios/app/tubemate-convert-video-to-mp3/id6449671171) | 4.6 (820) | Free | Utilities |

## More apps by Yamaha Corporation of America

- [Voice Editor Essential - US](https://appshunter.io/ios/app/voice-editor-essential-us/id441337665)
- [Multi Editor Essential - US](https://appshunter.io/ios/app/multi-editor-essential-us/id441338844)
- [Performance Editor Essential-U](https://appshunter.io/ios/app/performance-editor-essential-u/id444196587)
- [Disklavier Controller - US](https://appshunter.io/ios/app/disklavier-controller-us/id467490291)
- [AV CONTROLLER - US](https://appshunter.io/ios/app/av-controller-us/id467496375)
- [NETWORK PLAYER CONTROLLER - US](https://appshunter.io/ios/app/network-player-controller-us/id467502483)

All apps by Yamaha Corporation of America: https://appshunter.io/developer/408058585

## Related topics

[piano tuning app](https://appshunter.io/ios/topics/piano-tuning-app)

---

*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-29.*