Calculate clinical assay specifications based on biological variation. Then compare your observed assay performance against, the minimum, optimum and desirable assay specifications and calculate an overall sigma score.

What’s New

Version 1.1

Minor interface updates and bug fixes.
Now possible to calculate sigma from specifications that are not related to biological specifications
iPad layout removed

App Privacy

The developer, Craig Webster, has not provided details about its privacy practices and handling of data to Apple.

No Details Provided

The developer will be required to provide privacy details when they submit their next app update.


  • Family Sharing

    With Family Sharing set up, up to six family members can use this app.

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