Comparison

iFactorAnalysis™ Lite vs Pi Masters

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

iFactorAnalysis™ Lite

Features
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iFactorAnalysis is the first comprehensive advanced multivariate statistical package on iOS devices, for performing state-of-the-art exploratory factor analysis (EFA) and principal component analysis (PCA) on datasets of any practical size without a compromise. The app transforms iOS iPhone or iPad device into a valuable research and educational tool for educators, students, researchers and practitioners in almost any discipline from social & behavioural sciences such as sociology and psychology to medical & physical sciences. The app is packed with built-in advanced features, not available on main-stream commercial packages, such as SPSS and SAS. These include advanced factor retention techniques and unprecedented factor analysis interactivity. General Features: • Intuitive user-friendly interface design • Build projects from scratch in the app or import from externally created app project template • Fast, efficient and optimized algorithms for optimum performance • Fully interactive analysis of computed factors or components, thus allowing user to experiment with different options and settings • Extensive textual & graphical output of computations throughout the app Factor Analysis/Principal Component Analysis Features • Built-in advanced factor retention techniques such as Parallel Analysis & MAP • Horn’s parallel analysis (PA), configurable for up to 10,000 random-generated datasets, thus allowing accurate Gaussian Distribution graphs to be generated and studied. • Velicer’s Minimum Average Partials (MAP) • Cattell's Scree plots including PA base lines if PA is performed • Factor Rotation methods including orthogonal rotations such as Varimax, Orthomax, Quartimax and non-orthogonal (oblique) rotations such as direct oblimin • Factor scores methods from Thurstone’s regression method to the advanced Bartlett’s method and the sophisticated Anderson-Rubin method • Feasibility tests, including the Kaiser-Meyer-Olkin (KMO) Sampling Adequacy test and the Bartlett’s Sphericity test • Cronbach’s α (alpha) data consistency test The iFactorAnalysis app is offered in two editions, • The PRO edition, has all the features available with no restrictions. • The LITE edition (FREE), obviously has some restriction. In both editions, users may send feedback & questions, directly to iFactorAnalysis developement team. Website & links: iFactorAnalysis app website: https://www.acurasoft.com/ifactoranalysis/ End User Licence Agreement: https://www.acurasoft.com/ifactoranalysis_eula.html Privacy: https://www.acurasoft.com/ifactoranalysis_privacy.html Terms & Conditions: https://www.acurasoft.com/ifactoranalysis_terms.html

About

Pi Masters

Features
Read full description

Learn the digits of Pi and evaluate your progress up to 1 MILLION digits. Work toward beating Araki Haraguchi's unofficial record of 100,000 digits memorized! Absolutely no ads. No account, no user profiling. Just you and Pi.

Screenshots

iFactorAnalysis™ Lite4 screens
Pi Masters4 screens

Verdict

The call

The clearest difference is update cadence: Pi Masters at every 3 months against iFactorAnalysis™ Lite's every 8 months. iFactorAnalysis™ Lite's advantage is iOS requirement (13.0 vs 17.5). On price, ads, in-app purchases and device support there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

iFactorAnalysis™ Lite ships an update every 8 months, Pi Masters every 3 months. The most recent releases landed on October 2, 2026 and October 4, 2026 respectively.

Scorecard2 real differences · 4 level
iFactorAnalysis™ Lite versus Pi Masters: the parameters behind the verdict, then further details
ParameteriFactorAnalysis™ LitePi Masters
PriceFreeFree
Update frequencyEvery 8 monthsEvery 3 months — better
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPad, iPodiPhone, iPad, Vision Pro
Requires iOS13.0 — better17.5
Further details — not scored
Size18 MB2 MB
Age rating4+4+
DeveloperAcurasoft Inc.Dave Poirier

In-app purchases

None

iFactorAnalysis™ Lite

No in-app purchases

None

Pi Masters

No in-app purchases

Questions

Is iFactorAnalysis™ Lite free?
iFactorAnalysis™ Lite is free to download, with no in-app purchases.
Is Pi Masters free?
Pi Masters is free to download, with no in-app purchases.
Do iFactorAnalysis™ Lite or Pi Masters have ads?
Neither iFactorAnalysis™ Lite nor Pi Masters shows ads.
Which is updated more often, iFactorAnalysis™ Lite or Pi Masters?
iFactorAnalysis™ Lite ships an update every 8 months, and Pi Masters every 3 months. Most recently, iFactorAnalysis™ Lite was updated on October 2, 2026 and Pi Masters on October 4, 2026.

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