Processquanta: SPC Lab
Robert Corbin · Productivity
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Chart standing · US
What changed · US
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Price & rating history · US
Reconstructed from the listing changes AppTracker has observed in this storefront. A field is charted once it has changed more than once, and each line starts at the value it moved from.
Price · 2.99 USD now · 2 changes on record
About
Processquanta: SPC Lab is a focused, fully on-device app. On-device statistical process-control studio for I-MR, Xbar-R, p/np/c/u charts, rules, Cp/Cpk/Pp/Ppk, Gage R&R screening, lot comparisons, and audit-ready exports. KEY FEATURES - I-MR control chart - Cp/Cpk and Pp/Ppk - Special-cause flags - Local part and setup evidence - Editable sample data and CSV import - Side-by-side scenario comparison - Local PDF evidence export - Fifty-three original offline reference plates ONE-TIME AND PRIVATE - One paid download; no subscription or in-app purchase - No account, advertising, analytics, tracking, or developer-operated backend - Core features and bundled content work offline - Work remains on device unless you deliberately share or export it through an Apple system interface Control charts support investigation but do not authorize product release. Validate the measurement system, subgroup design, distribution assumptions, reaction plan, and quality requirements.
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