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Head-to-head · SPC Software

SigmaDesk vs FAST SPC Software

  • Updated Oct 2026
  • Both researched from official sources
  • 5 checks side by side
Higher score SigmaDesk #5 in SPC Software 8.3/10 Free plan Free plan✓ 4 of 5 features Visit SigmaDesk
FAST SPC Software #7 in SPC Software 8.0/10 Pricing on request ✓ 2 of 5 features Contact FAST Quality

SigmaDesk leads on 0 checks, FAST SPC Software on 0, and 5 are even. Who comes out ahead on the 5 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreSigmaDesk · 8.3/10
  • Free planonly SigmaDesk
  • Most featuresSigmaDesk · 4 of 5

SigmaDesk scores higher on our rubric for spc software: 8.3 against 8.0 out of 10; our editors rank them #5 and #7.

On deployment model, FAST SPC Software gives you On_premise where SigmaDesk offers Cloud.

SigmaDesk is the better fit for individuals and small teams wanting free SPC. FAST SPC Software is the better fit for quality teams analyzing manufacturing measurements.

  • SigmaDesk fits best

    Individuals and small teams wanting free SPC

  • FAST SPC Software fits best

    Quality teams analyzing manufacturing measurements

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Side by side

Feature SigmaDesk 8.3/10 Visit ↗ FAST SPC Software 8.0/10 Visit ↗
At a glance
Editor score 8.3 8.0
Ranking #5 in SPC Software #7 in SPC Software
Best for Individuals and small teams wanting free SPC Quality teams analyzing manufacturing measurements
Pricing model Free Paid
Starting price Free Pricing on request
Free plan ✓ (best) Not checked yet
Free trial — —
Deployment Cloud Desktop
Platforms Web Windows
Built for Solo, Small business, Mid-market Small business, Mid-market, Enterprise
Features SigmaDesk 4/5 · FAST SPC Software 2/5
Process capability analysis ✓ ✓
Gage R&R / MSA ✓ ✓
Real-time monitoring ✓ (best) Not checked yet
Rule-based alerts ✓ (best) Not checked yet
API access Not checked yet Not checked yet
Specs
Data collection mode Manual Not checked yet
Deployment model Cloud On_premise
Our review
Pros
  • Covers variable and attribute control charts across common chart types
  • Includes Cp, Cpk, Pp, Ppk and ANOVA-based Gage R&R analysis
  • Offers violation detection, dashboards, sharing and PDF report export
  • Covers statistical process control control charts and process capability analysis.
  • Includes Gage R&R and broader measurement-system analysis.
  • Supports analysis of manufacturing measurements and quality-control reporting.
Cons
  • Measurement data must be entered or pasted manually
  • Saving studies and collaboration require a signed-in account
  • Web-only deployment may not suit offline or local-install workflows
  • Windows desktop deployment limits it to that platform.
  • Pricing requires contacting sales.
  • The listed capabilities focus on analysis of collected measurements.
Our verdict

SigmaDesk is browser-based statistical process control software for quality engineers and manufacturing teams. It supports manual entry or pasted measurement data, interactive chart recalculation, and study management through an account.…

Read the review →

FAST SPC Software is a Windows desktop application from FAST Quality Software for quality professionals and production teams analyzing manufacturing measurements. Its focus is evaluating process stability and capability from collected…

Read the review →
  1. SigmaDeskSPC Software 8.3Free plan
  2. FAST SPC SoftwareSPC Software 8.0Pricing on request

Strengths and trade-offs

  • SigmaDesk — where it wins

    • Covers variable and attribute control charts across common chart types
    • Includes Cp, Cpk, Pp, Ppk and ANOVA-based Gage R&R analysis
    • Offers violation detection, dashboards, sharing and PDF report export

    Where it doesn't

    • Measurement data must be entered or pasted manually
    • Saving studies and collaboration require a signed-in account
    • Web-only deployment may not suit offline or local-install workflows

  • FAST SPC Software — where it wins

    • Covers statistical process control control charts and process capability analysis.
    • Includes Gage R&R and broader measurement-system analysis.
    • Supports analysis of manufacturing measurements and quality-control reporting.

    Where it doesn't

    • Windows desktop deployment limits it to that platform.
    • Pricing requires contacting sales.
    • The listed capabilities focus on analysis of collected measurements.

More comparisons

All SPC software comparisons → · Full ranking →

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update