About this app
STATS™ Mobile is a free, easy-to-use application providing simple statistical calculators for marketing researchers. Functions and calculators provided by this app include: • Summary statistics for a CSV data file • Sample size determination • Standard error of a proportion • Significance testing Students may find this app useful as we clearly present and describe all of the tests and formulas used in this app.
Latest release
What’s New
- Clearer wording and labels throughout the app. - Fixed an incorrect prefilled margin of error value. - Preparing the app for additional languages.
Audience growth
Ratings growth
Baseline captured. Growth appears after the crawler observes a changed rating count.
Momentum comes from crawler snapshots for the tracked storefront. “Viral growth signal” means unusually fast recent rating gains; it is an indicator, not download data.
Price tracking
Price intelligence
First snapshot captured. The trend line starts after the next crawler price observation.
- First observed Aug 23, 2026 · 1:42 PM Free