Coherence Tuner
Polyphonic Instrument Tuner
Archived App (Last seen on 2 May 2025)
This is an archived listing of the app previously available on the App Store.Although the app is no longer distributed by Apple, you can still view its description, screenshots, version history, ratings, and metadata for reference.
About
This app offers a revolutionary polyphonic tuning engine for multiple instruments. It provides accurate, strobe-like pitch detection for all strings simultaneously, with auto gain and noise elimination for a simple, plug-and-play experience.
What's New in Coherence Tuner
1.1
October 28, 2020
You spoke, and we listened - Thank You! In this version we have simplified the look of the UI to enhance readability, improved detection accuracy, and improved performance on older devices. We appreciate your input. Comments/questions: mailto:bill.oneill@billoneilldesign.com
MoreDeveloper apps
FAQ
What instruments can Coherence Tuner tune?
Coherence Tuner supports a wide range of instruments including 6-string and 7-string guitars, violins, violas, cellos, 4, 5, and 6-string basses, ukuleles, and 5-string banjos. It also offers various alternate tunings for guitars.
How accurate is Coherence Tuner?
The app utilizes a revolutionary tuning engine that is as accurate as any strobe tuner. It provides precise wave tuning overlays for pitch perfect response.
Does Coherence Tuner have ads?
No, Coherence Tuner does not contain advertisements. It is a completely ad-free application.
What is the reference frequency for Coherence Tuner?
Coherence Tuner is configurable to select the reference frequency for tuning between 435Hz and 445Hz, with a default setting of 440Hz.
Can Coherence Tuner tune to harmonics?
Yes, the tuning engine can be configured to tune using either the string's fundamental or its second harmonic. Tuning to the second harmonic can be beneficial for bass instruments or those with a stronger second harmonic.
What devices is Coherence Tuner available on?
Coherence Tuner is available for iPhone, iPad, and iPod. It is rated for ages 4 and up.
How often is Coherence Tuner updated?
The latest version is 1.1, released on October 28, 2020. The developer plans to add more tunings in future updates, indicating ongoing support.
What makes Coherence Tuner's display unique?
It features an advanced multi-mode display that simultaneously shows tuning information for all strings at once. This provides a clear and unambiguous presentation of tuning data.
