Sample Size Calculator Apps

Biostats Calculator provides a comprehensive collection of biostatistical calculations. It is designed to provide easy access to the most common tests without resorting to a complex desktop...

The SigTester app is an iPhone app that enables you to quickly and easily check for statistical significance using either a percentage test or a mean test. The tests are two sample tests, and the...

Stat Assistance’s sample size calculator allows users to calculate sample sizes needed for research and survey studies quickly, reliably, and easily without having to search the web for a sample...

Biostats Calculator Pro provides an exclusive collection of statistical calculators designed specially for and by researchers, scientists, doctors, pharmaceuticals, medical students, lab...

TC-Stats is a complete data analysis application for the iPad. The application performs the following functions: Summary Statistics, Histograms, Box-and-Whisker Plot, Normal Probability Plot,...

SampSize is an application to assist in the design of clinical trials by calculating the sample size using inputs provided by the user.

Features calculations for:

- Normal and...

Power your study designs wherever you go.

'GLIMMPSE Lite' is a free, user-friendly and open source smart-phone application
which allows students, researchers, and statisticians to...

SampSize is an application to assist in the design of clinical trials by calculating the sample size using inputs provided by the user.Features calculations for: - Normal and binary endpoints ...

Power your study designs wherever you go. GLIMMPSE Lite is a free, user-friendly and open source smart-phone application which allows students, researchers, and statisticians to calculate power and...

Samclus is a cluster sample size calculator for randomised trials. Download if you want to know how many clusters to recruit and have estimates of mean cluster size, intraclass correlation...