Best Sample Size Calculator App

n4Studies

n4Studies

$1.99

This application simplifies sample size and study power calculations for various research designs. It offers tools for estimating population means and proportions, comparing groups, and analyzing different study types like case-control and randomized controlled trials. Results can be easily shared via email.

Epi Tools

Epidemiology Calculation Tool

Free

This app provides a suite of epidemiological calculation tools for disease frequency, association, and effect measures. It also includes sample size calculators, diagnostic test validation, and a comprehensive glossary of terms.

Calculator - Calculator TM

Standard, Easy, Simple to use

Free

A straightforward and user-friendly calculator designed for iPhone and iPad. It offers standard calculation logic, basic math operations, and a history display for convenience. Optimized for a simple and efficient user experience.

STATS™ Mobile

Statistical Calculators

Free

This application offers essential statistical calculators for marketing researchers and students. It provides tools for summary statistics, sample size determination, standard error calculations, and significance testing, with clear explanations of formulas.

Calculator : Scientific Calculator & converter

Scientific Calculator

Free

This app offers a comprehensive scientific calculator with advanced functions for math, finance, and engineering. It includes unit and currency conversion, a constants library, and a biorhythm calculator for daily insights. The interface is intuitive and supports multiple calculation modes.

Calculator for iPhone and iPad

You can count on it

Free

A straightforward and intuitive calculator app designed for ease of use. It offers a history bar, customizable themes, and advanced mathematical functions, ensuring a pleasant and efficient calculation experience on your device.

Calculator

by Byte Works, Inc.

$1.99

This app offers a comprehensive scientific calculator with multiple modes, including algebraic, scientific, conversions, and logic calculations. It features a user-friendly design with large buttons and remembers your progress if interrupted.

Calculator: Basic & Scientific

Currency, Units & History

Free

This app combines basic, scientific, currency, and unit conversion tools into a single, powerful calculator. It offers features like history records, number speech, and seamless result inheritance across different calculator types for an efficient workflow.

IntroStat - Statistics Solver

Statistics Calculator

Free

This app serves as a comprehensive statistics calculator and learning tool for introductory statistics courses. It offers a wide range of calculation features, data visualization, and an integrated textbook with formulas and examples.

Peptide Calculator: DoseRx

Dose & Reconstitution Tracker

Free

This app quickly calculates peptide draw volumes and insulin syringe units. It works offline, requiring no account, and provides clear results for various vial sizes and water amounts. It's designed for informational purposes only, with a strong disclaimer to consult medical professionals.

Big Button Calculator Pro Lite

Easy Basic Calculator

Free

A user-friendly calculator app featuring large buttons and customizable colorful backgrounds. It offers a dual-line display, multi-line input for complex equations, and convenient gesture controls for editing and copying.

Statistics Calculator Lite

by KBIC International Ltd

Free

Calculate essential statistical measures for a set of numbers, including mean, median, mode, and standard deviation. This app supports an unlimited number of data points for basic statistical analysis.