吹奏乐器首选
对于吹奏乐器练习音准来说非常直观，有时候需要耳听扒谱也好用
免费，很好用
试过很多，这个是最好用的
一个建议，望攻城狮采纳
调音很准确，好用。建议增加屏幕旋转，可以横屏，谢谢
看看苹果手机扬声器使用不了
声音不能外放听不见
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About
A professional vocal and instrument tuning application. It offers interfaces for various instruments and supports tuner and sound modes with fine-tuning capabilities.
✓Vocal tuning
✓Instrument tuning (guitar, violin, bass, ukulele, erhu)
✓Tuner mode
✓Sound mode
✓A4 frequency fine-tuning
Show original description
What's New in Twelve
1.0.30
October 23, 2025
1，Add numbered musical notation on dial.
User reviews
Developer apps
FAQ
What instruments can Twelve-Tone Tuner tune?
Twelve-Tone Tuner supports tuning for vocals, guitar, violin, bass, ukulele, and erhu. It is designed to be a versatile tool for a range of musical needs.
Does Twelve-Tone Tuner offer different working modes?
Yes, Twelve-Tone Tuner supports both tuner and sound working modes. This allows users to choose the mode that best suits their tuning and practice requirements.
Can I fine-tune the A4 frequency with Twelve-Tone Tuner?
Yes, the app allows for A4 frequency fine-tuning. This feature is crucial for musicians who require precise pitch adjustments for their instruments or vocals.
What devices is Twelve-Tone Tuner compatible with?
Twelve-Tone Tuner is available for iPhone, iPad, and iPod. It is designed for Apple mobile devices.
How often is Twelve-Tone Tuner updated?
The latest version of Twelve-Tone Tuner is 1.0.30, last updated on October 23, 2025. The app was initially released on January 12, 2019.
What is the age rating for Twelve-Tone Tuner?
Twelve-Tone Tuner has an age rating of 4+. This indicates it is suitable for users of all ages.
Does Twelve-Tone Tuner have ads?
Yes, Twelve-Tone Tuner contains advertisements. Users should expect to see ads while using the application.
What is the user rating for Twelve-Tone Tuner?
Twelve-Tone Tuner has a rating of 4.4 stars based on 57 ratings. This suggests a generally positive user experience.
