PocketStat
Great app Glenn.

This tool helps you assess statistical claims in various academic and professional contexts. It offers calculators for common statistical tasks like determining sample size and performing t-tests. An optional premium upgrade unlocks advanced features for larger datasets.
1.6.3
March 28, 2020
Fixed some stability issues with In App Purchases.
$1.99
Premium Level
Permits Chi-Square analysis up to 6 x 10 matrix. Permits two-sample t-tests.
PocketStat is a statistical fact-checking tool designed to help users assess statistical claims in manuscripts, seminars, posters, classes, and homework. It provides calculators for common statistical tasks.
No, PocketStat does not contain advertisements. The app is free to download and use, with optional in-app purchases for premium features.
PocketStat can compute single-sample t-tests and chi-square statistics for 2x2 contingency tables. The premium version allows for chi-squares in larger matrices and two-sample t-tests.
PocketStat's 'p' values are computed by closed-form equations and are meant as estimates, not for publication. The developer advises caution for formal academic use.
PocketStat is compatible with iPhone, iPad, and iPod devices. It is designed for iOS operating systems.
The latest version of PocketStat is 1.6.3, last updated on March 28, 2020. Updates typically address bug fixes and feature enhancements.
PocketStat Premium unlocks advanced statistical calculations, including chi-squares for matrices up to 6x10 and both independent and correlated two-sample t-tests.
Based on the available data, PocketStat has a perfect rating of 5.0 stars from 3 ratings, indicating very positive user sentiment.