All sixteen core analyses are free, forever — that is the whole job the old Analysis ToolPak did, and it stays free. Pro adds what that add-on never had.
Free — $0
Descriptive statistics · correlation · covariance · histogram · rank and percentile · t-tests (unequal,
equal, paired) · z-test · F-test · ANOVA single factor · ANOVA two-factor (with and without replication) ·
regression with confidence intervals · moving average · exponential smoothing.
No row limit, results always in a new tab, errors that name the cell.
Pro — $29 / year or $69 once, per user
Effect sizes with 95% confidence intervals (Cohen's d, Hedges' g, η²) · an APA-style sentence you can
paste into a write-up · non-parametric tests (Mann–Whitney U, Wilcoxon signed-rank, Kruskal–Wallis,
Spearman) · chi-square goodness of fit and independence with Cramér's V · assumption checks (Levene,
VIF, Durbin–Watson) · Holm-adjusted pairwise comparisons after ANOVA.
The same licence unlocks every tool we publish next.
One key unlocks Pro in every Going Stellar add-on. After payment the key arrives by e-mail; you paste it into the panel and it is verified inside your own Google account. Not what the page describes? Write within 14 days and we refund in full.
The QR regression, the Welch–Satterthwaite degrees of freedom and every p-value are identical in the free and paid tiers. We do not sell being right.
After payment you receive a licence key. You paste it once into the panel, and it is verified inside your own Google account by checking its signature — there is no call to any server of ours, and nothing about you or your spreadsheets is transmitted to us. You can remove the key yourself at any time.
You drop back to the free tier and keep every core analysis. Being cut off from a tool you already installed is a bad way to treat people, so we do not do it.
Google Sheets™ is a trademark of Google LLC.