Design-Expert review
A focused DOE suite for factorial, mixture, response-surface, and optimization work.
Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026
Design-Expert is desktop statistical analysis software for design of experiments. It is aimed at researchers, engineers, and product or process teams that need to plan studies, analyze results, visualize effects, and optimize multiple responses. Its scope covers factorial and fractional-factorial designs, response-surface methods, mixture and mixture-process designs, split-plot designs, and design augmentation. The software is suited to teams investigating factors, interactions, process settings, or product formulations.
The licensing options are Single User and Multi User. Single User includes a single-user license, maintenance updates, new version upgrades, and email support. Multi User adds multiple floating seats and a standard on-premises or hosted license manager, while also including maintenance updates, new version upgrades, and email support. Pricing requires contact with Stat-Ease. A 14-day trial is available through Stat-Ease 360, which includes all Design-Expert features plus additional functionality. The software runs on Windows and macOS and supports Microsoft Excel and XML import and export.
Design-Expert's main strength is its depth within DOE rather than broad general-purpose statistical computing. It combines ANOVA, regression analysis, model comparison, residual diagnostics, Box-Cox transformation analysis, and visual tools such as profilers, interaction plots, contour plots, 3D surfaces, scatter plots, and custom graphs. Numerical and graphical multi-response optimization extends the workflow from experiment planning to selecting suitable settings. Teams focused on structured experimental design should find this feature mix aligned with their work. Buyers needing scripting support or a wider programming-oriented analytics environment should consider a different tool.
Design-Expert pros and cons
- Where it wins
- Covers factorial, mixture, split-plot, and response-surface designs
- Includes ANOVA, regression, diagnostics, and model comparison
- Supports graphical and numerical multi-response optimization
- Where it doesn't
- Pricing requires a sales contact
- Desktop deployment limits it to Windows and macOS
- No scripting support is listed
Design-Expert fact sheet, pricing and score →
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