Piano Tuning App PT-A1 - US app for iPhone and iPad

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