Calculator Xbar and S Charts at Mac App Store analyse

App power index: 140 (based on ranks around App Stores today)
Productivity
Developer: Francisco Aparisi
Price: 0 free
Current version: 2.5, last update: 4 years ago
First release : 23 Feb 2016
App size: 33.43 Mb
4.8 ( 8688 ratings )
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Estimation application downloads and cost

> 3.08k
Monthly downloads
~ $ 1.26k
Estimation App Cost


This application computes the ARL for Xbar, S and combined Xbar-S control charts for different mean and sigma shifts. It shows where to place the control limits for different in-control ARLs.

In addition it plots the ARL curve for mean or sigma shifts.

Moreover, it is possible to compare two sampling plans (sample size and frequency of sampling) in order to find the most efficient one to detect a process shift (smaller ATS). And it is possible to optimize the sample size for a given shift to minimize the ATS.

There is a twin version for OS X available in its store.

Available languages are at the moment Spanish and English.
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Available in countries
Country Price
Canada free
China free
France free
Germany free
Italy free
Netherlands free
Portugal free
Spain free
Poland free
UK free
India free
Japan free
Korea, Republic Of free
Poland free
Russia free
Turkey free
USA free
Korea, Republic Of free
Ukraine free
Available for devices
iPhone4, iPad2Wifi, iPad23G, iPhone4S, iPadThirdGen, iPadThirdGen4G, iPhone5, iPodTouchFifthGen, iPadFourthGen, iPadFourthGen4G, iPadMini, iPadMini4G, iPhone5c, iPhone5s, iPadAir, iPadAirCellular, iPadMiniRetina, iPadMiniRetinaCellular, iPhone6, iPhone6Plus, iPadAir2, iPadAir2Cellular, iPadMini3, iPadMini3Cellular, iPodTouchSixthGen, iPhone6s, iPhone6sPlus, iPadMini4, iPadMini4Cellular, iPadPro, iPadProCellular, iPadPro97, iPadPro97Cellular, iPhoneSE, iPhone7, iPhone7Plus, iPad611, iPad612, iPad71, iPad72, iPad73, iPad74, iPhone8, iPhone8Plus, iPhoneX,