Ruan Tuner-Tuner for Ruan

Precise & Easy Plus metronome

Free · In‑App Purchases · Designed for iPad

[Ruan Tuner] The simple user interface with noise filtering can help you tuning the 4 strings without any setting while activating the APP. When you pull the Ruan string, the pitch will be shown on the panel for the individual string by indicating signal high or low. 
 [Function Description] ▪ Calibrate Piano Sound : Click on an open string then calibrate the sound with your Ruan. Piano Sound A4=442. ▪ A4 Frequency adjustment: choose 428~452 frequencies for A4 string. ▪ Total 12 kinds of tuning modes are available including : C,G,F,D,bB,A,bE,E,bA,B,#F,#C. ▪ The scale for precision tuning is 10 cents for every sub-bit. The blue line represents the open strings start from. The green arrow means pitch is accurate and it will turn white once the pitch difference exceeds more than a sub-bit. ▪ The complete function, will visually tell you the pitch is good or not by lighting green or white. Users can easily adjust the string by the lighting arrow shown on the scale. 
 We welcome you to feedback us for any questions, suggestions and comments regarding this APP.

  • 5.0
    out of 5
    1 Ratings

- Different screen size devices, user interface and display ratio optimization - Metronome adds recording function and 3 sets of commonly used setting - Bug fix

The developer, Hsing-Fu Hsueh, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .

  • Data Used to Track You

    The following data may be used to track you across apps and websites owned by other companies:

    • Location
    • Identifiers
    • Usage Data
  • Data Not Linked to You

    The following data may be collected but it is not linked to your identity:

    • Location
    • Identifiers
    • Usage Data

Privacy practices may vary, for example, based on the features you use or your age. Learn More

The developer has not yet indicated which accessibility features this app supports. Learn More

  • Seller
    • Hsing-Fu Hsueh
  • Size
    • 41.8 MB
  • Category
    • Music
  • Compatibility
    Requires iOS 12.1 or later.
    • iPhone
      Requires iOS 12.1 or later.
    • iPad
      Requires iPadOS 12.1 or later.
    • iPod touch
      Requires iOS 12.1 or later.
    • Mac
      Requires macOS 11.0 or later and a Mac with Apple M1 chip or later.
    • Apple Vision
      Requires visionOS 1.0 or later.
  • Languages
    English and 15 more
    • English, Arabic, French, German, Hindi, Indonesian, Japanese, Korean, Portuguese, Russian, Simplified Chinese, Spanish, Thai, Traditional Chinese, Turkish, Vietnamese
  • Age Rating
    4+
  • In-App Purchases
    Yes
  • Copyright
    • Copyright©2021 Hsing-Fu Hsueh