Permutation and Combination vs IntroStat
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Permutation and Combination
Easily calculate permutations and combinations with this educational tool. It provides a straightforward way to solve mathematical problems related to arrangements and selections.
- Calculate permutations
- Calculate combinations
- Easy to use interface
- Educational tool
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This application can calculate permutation and combination easily.
IntroStat
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.
- Summary statistics calculation
- Data visualization (boxplots, histograms)
- Probability calculations
- Hypothesis testing
- Confidence intervals
- Integrated statistics textbook
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IntroStat is a probability and statistics calculator. It is the perfect learning tool for an introductory statistics course. Use it to perform any of your statistics calculation needs. IntroStat also includes a statistics textbook complete with formulas, exercise problems, examples, and more. FREE IN THE CALCULATOR: • Enter & Save Datasets • Generate Summary Statistics • Calculate z-Scores • Draw Boxplots & Histograms • Visualize Key Concepts like The Empirical Formula • Plot Discrete and Continuous Random Variables • Perform Probability Calculations • Conduct Hypothesis Testing • Compute Confidence Intervals • Lookup Critical Values of Distributions • Perform Simple Regression Analysis • ANOVA, Chi-Square, & F-Tests • Introductory Statistics Textbook Upgrade as a Premium User to unlock: • Dark Mode • 12 Color Themes • Zoom • Custom Decimal Precision • Comma Display • No Ads Have any questions? Please reach out to us via email at IntroStatApp@gmail.com. End User Licensing Agreement: https://www.introstatapp.com/user-agreement Privacy Policy: https://www.introstatapp.com/privacy-policy
Screenshots
Verdict
The clearest difference is review sentiment: IntroStat at 92% against Permutation and Combination's 44%. IntroStat also leads on rating (4.9 vs 4.1) and update cadence (every 3 months vs every 40 months). Permutation and Combination's advantage is in-app purchases (none vs 1) and ads (none vs shown). On price, ratings volume, device support and iOS requirement 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
Both are free to download. IntroStat sells 1 one-off in-app purchase. Permutation and Combination asks for nothing beyond the download.
IntroStat holds the better App Store score, 4.9 against 4.1. Both are backed by a comparable volume of ratings — 13 and 24 respectively. Written reviews point the same way: 44% of Permutation and Combination's written reviews are positive against 92% of IntroStat's.
Permutation and Combination ships an update every 40 months, IntroStat every 3 months. The most recent releases landed on September 10, 2026 and September 18, 2026 respectively.
| Parameter | Permutation and Combination | IntroStat |
|---|---|---|
| Price | Free | Free |
| Rating | 4.1 (13 ratings) | 4.9 (24 ratings) — better |
| Positive reviews | 44.4% of reviews | 92.3% of reviews — better |
| Number of ratings | 13 | 24 — better |
| Update frequency | Every 40 months | Every 3 months — better |
| Ads | No — better | Yes |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Free with in-app purchases |
| Devices | iPhone, iPod, Apple Watch | iPhone, iPad, iPod |
| Requires iOS | 12.1 | 11.0 — better |
| Further details — not scored | ||
| Size | 23 MB | 38 MB |
| Age rating | 4+ | 4+ |
| Developer | Keiji Matsui | Zhiyi Zhang |
Customer experience
Permutation and Combination
IntroStat
In-app purchases
Permutation and Combination
No in-app purchases
IntroStat
- IntroStat Premium Features$4.99
Questions
Is Permutation and Combination free?
Is IntroStat free?
Which has better reviews, Permutation and Combination or IntroStat?
Do Permutation and Combination or IntroStat have ads?
Which is updated more often, Permutation and Combination or IntroStat?
Other comparisons
