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Released
December 10, 2025
Updated
September 25, 2026

Features

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About

TaguchiLab turns the Taguchi method into a guided, step-by-step workflow so you can plan, run and analyze robust experiments in minutes. PLAN • Define up to 15 factors with 2 or 3 levels each • TaguchiLab picks the right orthogonal array automatically (L4, L8, L9, L16, L18, L27) • Live validation warns you about duplicate levels, empty names and array limits RUN • A clean run matrix shows every trial and its factor settings • Enter one response per run, or add replicates and multiple weighted responses • Choose your goal — Larger-is-better, Smaller-is-better or Nominal-is-best — and S/N ratios update instantly ANALYZE • Main effects table with delta, rank and best level for each factor • Predicted optimal configuration at a glance • Main-effect plots for S/N ratio or raw response • ANOVA with degrees of freedom, sum of squares, F and p values, plus confidence intervals at 90 / 95 / 99 % LEARN • Built-in example designs (ceramic tile, French fries, coffee brewing, 3D printing, injection molding, bread baking) with real data you can explore and modify • In-app help covering Taguchi fundamentals, orthogonal arrays and how to read ANOVA results SHARE • Export the run matrix, level means, factor ranking and optimal setup as CSV to any app DESIGNED FOR IPAD AND IPHONE • Full-width tables and cards on iPad; focused, card-based navigation on iPhone • Dark mode first, with a light theme that keeps the same look TAGUCHILAB PREMIUM (optional annual subscription) • Design Library: save unlimited experiments and sync them across your devices • Keep different versions of a design and pick up where you left off • Analysis and ANOVA unlocked for every design Payment is charged to your Apple ID account at confirmation of purchase. The subscription renews automatically unless cancelled at least 24 hours before the end of the current period. Manage or cancel anytime in your App Store account settings. Privacy Policy: https://taguchilabios.gonzodev.com/privacy/ Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
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What's New in TaguchiLab

1.1

September 25, 2026

• Try Premium free for 7 days — ANOVA, confidence intervals, PDF reports and cloud Design Library. • New PDF report: a clean, shareable A4 summary of your experiment with the design, run matrix, main-effects plots, recommended configuration and ANOVA table. • Smarter ANOVA: designs where every array column is used (like the L9 examples) now pool the weakest factors into the error term, so F-ratios and p-values are meaningful. Pooled factors are labelled and every row shows its % contribution. • The ANOVA screen explains where the error term comes from, and lets you switch pooling off. • Fixed confidence intervals showing zero width on saturated designs, and S/N analysis with replicates reporting a zero error. • Main-effects analysis, ANOVA, confidence intervals and PDF reports are free for everyone — Subscribe is only for cloud Design Library sync. • Save Experiment keeps a local copy on your device without requiring Premium.

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Subscriptions & In-App Purchases

TaguchiLab Premium

Unlock unlimited designs, cloud sync, ANOVA

$29.991 Year
7 Days trial
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