Stats Pad.
Mobile Statistics For Your iOS Device.


2.0 Crash Problem:  If you are experiencing crashes  please download the latest version 2.0.2

NEW:  Click here for User Manual (edition 2.0).



Also available in a FREE version Stats Pad LE!

With over 60 different analyses and growing, Stats Pad is the most complete analysis package available in this price range.

Stats Pad brings detailed statistical analysis to your iPad and iPhone. If you use Excel’s Data Analysis Toolpak, PHStat, or other Excel add-ons for statistical analysis, then you will love Stats Pad. Stats Pad is the perfect tool for classroom statistics or on the go analysis.

Stats Pad Window 1_6

THIS IS NOT A SPREAD SHEET.  Stats pad does not support cell formulas.  Rather it supports spreadsheet style data combined with excellent statistical analysis.

Data analyses include calculations of test statistic, p-values, and critical values, as well as relevant summary statistics.


  • Graphing!
  • Open Excel (.xls AND .xlsx files data only)
  • Copy data from Numbers or other spreadsheets to Stats Pad through copy/paste.
  • Copy data from Stats Pad to any app that supports comma or tab delimited through copy/paste.
  • Open CSV or Tab delimited files directly in Stats Pad
  • Send Stats Pad sheets directly to Numbers or other apps as CSV or Tab delimited files.
  • Save multiple Stats Pad files.
  • Save multiple sheets of data or analysis per Stats Pad file.
  • Rename files.
  • Undo and Redo edits.
  • Resizable columns
  • Autosize Columns

Analysis Options:

While the analyses options will expand in future revisions, the current options include:


  • Bar Chart
  • Box Plots (including outliers)
  • Histograms (from raw data)
  • Line Charts
  • Pie Charts
  • XY Scatter Plots including trend line fit and equations!
  • Normal Probability Plot


  • Correlation Matrix (including T-Test statistics)
  • Covariance Matrix (Sample and Population based)
  • Descriptive Statistics
  • Percentile Calculations

General Hypothesis Tests:

  • Normality Test (Anderson Darling)
  • Single Sample T-Test for mean
  • Single Sample Z-Test for mean
  • Paired T-Test (Two Samples)
  • Pooled Variance T-Test (Two Samples)
  • Separate Variance T-Test (Two Samples)
  • Two Sample Z-Test
  • Chi-Squared Test for Variance
  • F-Test for Two Sample Variance
  • Single proportion
  • Two proportion difference
  • Power Calculations: Single value AND full power curve graph.

Chi Square Tests:

  • Contingency Analysis (test for independence)
  • Goodness of Fit Test

Non-Parametric Tests:

  • Wilcoxon Signed Rank Test
  • Mann-Whitney U-Test
  • Wilcoxon Matched Pair Signed Rank Test
  • Kruskal-Wallis One-Way ANOVA


  • Simple and Multiple Regression with residuals
  • Function fit including Polynomial, Exponential, Log, and Power


  • One-Way ANOVA
  • Randomized Block ANOVA
  • Two-Factor ANOVA

Confidence Intervals

  • Single mean known population sigma
  • Single mean unknown population sigma
  • Two mean difference known sigma
  • Two mean difference unknown sigma (pooled or separate variance)
  • Two mean difference for paired data
  • Variance
  • Single proportion
  • Two proportion difference
  • Sample Size for normal distribution
  • Sample Size for proportions

Distributions – Cumulative and Inverse

  • Normal Distribution
  • T Distribution
  • Chi-Square Distribution
  • F Distribution
  • Exponential Distribution
  • Binomial Distribution
  • Poisson Distribution

Random Number Generation

  • Normal Distribution
  • T Distribution
  • Uniform
  • Chi-Square Distribution
  • F Distribution
  • Exponential Distribution