QC SPC Chart Intro Version

QC SPC Chart Intro Version

Statistical Quality Control

5 ratings
2 reviews

Archived App

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.

Details

  • Released
  • Updated
  • July 28, 2018
  • August 4, 2021
QC SPC Chart Intro Version screenshot #1 for iPhone
QC SPC Chart Intro Version screenshot #2 for iPhone
QC SPC Chart Intro Version screenshot #3 for iPhone
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QC SPC Chart Intro Version screenshot #6 for iPhone
QC SPC Chart Intro Version screenshot #7 for iPhone
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About

This app provides interactive statistical quality control charts for professionals and students. Monitor critical quality factors with various chart types and automatically calculated control limits. Visualize data with synchronized charts and detailed tables.

Interactive SPC charts (6-sigma)
Variable and attribute control charts
Automatic control limit calculation
Process capability ratios (Cp, Cpk)
Synchronized chart display with zoom
Integrated data table
Import data from CSV
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What's New in QC SPC Chart Intro Version

29

August 4, 2021

If a time stamp was not included in sample interval, or if time stamps have exactly the same value, the software would not sort the data properly for display. The software now injects a unique time stamp when one is not found. If adjacent time stamps have the same values, the software will separate them by a second.

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User reviews

Can’t load data from external file

How can this be of any value if you cannot load data from an external file?! Loading one by one is .... excruciating. I’m using the free version. If this is an artifact of the free version, they should disclose that in the app narrative.

Response from developer

The program has always been able to load/save the chart setup, and data, from an external file (up to 100 sample intervals for the Free Version). This feature is accessed from the Setup | File menu. For IOS it is documented on pages 35-38 and 43-46 of the online manual. IOS doesn't make it easy getting data files on and off a tablet but it can be done using the procedure described in the manual. "File transfer" is found in the index.

Excellent for charting analytics

Worth paying for the commercial version (low cost btw) for serious statistical process control or analytics app development. However, free version is very handy for learning the SPC Chart tools. If you are in the business of proving six sigma compliance of your quality control then these tools will allow you to show off your data using all the standard methodologies.
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Developer apps

FAQ

What types of SPC charts does QC SPC Chart Intro Version support?

QC SPC Chart Intro Version supports variable control charts like XBar-R, XBar-Sigma, Individual-Range, and Median-Range, as well as attribute control charts for defects such as p-, np-, c-, u-, and DPMO charts.

How does QC SPC Chart Intro Version calculate control limits?

The software automatically calculates SPC control limits using historical data for supported variable and attribute control chart types. Users can also manually set control limits.

Can I import data into QC SPC Chart Intro Version?

Yes, you can import sample data from a CSV (comma separated value) file directly into the application. You can also manually input and edit sample data within the program.

What are the display capabilities of QC SPC Chart Intro Version?

Charts are displayed as one or two synchronized charts controlled by a scroll bar or an integrated zoom control for custom time frames. Auto-scaling of the y-axes ensures all data remains visible.

What information is available in the integrated table?

The integrated table displays time, individual sample values, sample statistics, process indices, alarm status, and any notes entered for each sample interval plotted in the chart.

What are the device recommendations for QC SPC Chart Intro Version?

Due to the amount of information displayed, it is recommended to use QC SPC Chart Intro Version on devices with a minimum resolution of 1200x800 pixels, in either landscape or portrait mode.

What is the data point limit in the student version of QC SPC Chart Intro Version?

In the student version, the total number of sample intervals, or data points, that can be displayed at one time is limited to 100.

How often is QC SPC Chart Intro Version updated?

The latest version of QC SPC Chart Intro Version was released on August 4, 2021. The app was initially released on July 28, 2018.