Statistics Calculator++ vs Critical Value Calculator
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Statistics Calculator++
Perform advanced statistical analysis, including regression and probability distributions, with ease. Visualize data through plots and tables, and save or import datasets from spreadsheets. Offers a wide range of calculations beyond core statistics.
- Data entry and analysis table
- Box and whisker plots and histograms
- Linear, logarithmic, exponential, power, quadratic regressions
- Save and import data from Excel/Numbers
- Normal, t, Chi-Squared, F, Binomial, Poisson distributions
- Confidence intervals and hypothesis tests
- Fraction manipulation, angle conversions, solvers
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Simplify your statistics with Statistics Calculator++ Perform powerful statistical analysis without needing a manual. Enter your data easily using "Add X," "Add Y," and "Add Z" buttons, and let Statistics Calculator++ handle the rest. Analyze results in a clear table, including sum, mean, standard deviation, quartiles, and more. Visualize your data with box and whisker plots and histograms. Powerful regression analysis: Choose from linear, logarithmic, exponential, power, and quadratic regressions. The intuitive interface simplifies selecting models and calculating predictions for x and y values. View residuals, residual sum of squares, and how the regression model fits your data in a graph. Save and import data with ease: Store multiple data lists and use them in calculations effortlessly. Import data directly from Microsoft Excel or Apple Numbers. Plus, your data is always saved within the app, so you never lose it. More than just statistics: Probability distributions: Normal, Student's t, Chi-Squared, F, Binomial, Poisson, Geometric, Beta, and Gamma. Confidence intervals and hypothesis tests: Step-by-step explanations for common statistical tests. Advanced calculations: Fraction manipulation, angle conversions, permutation/combination, LCM/GCD, prime factorization, quadratic solver, system of linear equations solver, rectangular/polar conversions, dice rolling. Statistics Calculator++ is a powerful and user-friendly tool for: Students Scientists Engineers Anyone who needs statistical analysis Download Statistics Calculator++ today and experience the simplicity of powerful statistics!
Critical Value Calculator
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Perform hypothesis testing through our efficient critical value calculator. Critical value calculator, a hands-on tool for statisticians, calculates t-value and z-value with a click. Single t-value calculator and z-value calculator are available for use yet, they do not suffice the needs of students. However, in this critical score calculator you can calculate both critical values. Now you can get rid of tiresome practice of looking through hundreds of t- and z-value tables because critical value calculator calculates them in an instant. How to perform calculations: Calculate t-value 1. Specify the significance level in the given box. 2. Select degrees of freedom. 3. Calculate t-value Calculate z-value 1. Enter the significance level in the input box. 2. calculate p-value You can reset the critical value calculator by pressing “reset” button. Basic definitions: 1. Critical value: It is the cut-off value of the graph generated by the test static and shows the region where test static does not lie. Critical value depends upon the significance level. T tells whether to accept of discard null-hypothesis. 2. Significance level: Significance level or statistical significance determines that the difference in population cannot be only associated with chance. 3. Null hypothesis: A hypothesis that describes no difference between two data. And if any difference is seen it appears only by chance. It is abbreviated as (Ho). 4. T-value: It is the calculated difference in the graph relative to the data. 5. Z-value: It is a cut-off point area under the standard distribution of data.
Screenshots
Verdict
The clearest difference is price: Critical Value Calculator at Free against Statistics Calculator++'s $0.99. Critical Value Calculator also leads on iOS requirement (10.0 vs 15.0). Statistics Calculator++'s advantage is update cadence (every 3 weeks vs every 43 months). On 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
Critical Value Calculator is free to download; Statistics Calculator++ costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Statistics Calculator++ ships an update every 3 weeks, Critical Value Calculator every 43 months. The most recent releases landed on September 24, 2026 and September 5, 2026 respectively.
| Parameter | Statistics Calculator++ | Critical Value Calculator |
|---|---|---|
| Price | $0.99 | Free — better |
| Rating | 4.1 (309 ratings) — better | — |
| Positive reviews | 62.5% of reviews | — |
| Number of ratings | 309 — better | — |
| Update frequency | Every 3 weeks — better | Every 43 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPod | iPhone, iPod, Mac — better |
| Requires iOS | 15.0 | 10.0 — better |
| Further details — not scored | ||
| Size | 4 MB | 25 MB |
| Age rating | 4+ | 4+ |
| Developer | Dogahe | Ahmad Sattar |
Bugs and requests
Statistics Calculator++
Reported bugs
6 issues- App freezes after brief use
- Statistics section won't open
- Incompatibility with iOS 7
- Random number generator produces predetermined sequences
- Landscape/portrait mode switching issues
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- Missing advertised features (nCr function)
Requested features
10 requests- User manual or tutorial documentation
- Ability to input custom quantiles and critical values
- Support for Z-score input in normal distribution
- Streamlined data clearing process
- Quadratic and advanced regression options
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- Graphing for all input/output scenarios
- Direct proportion input without requiring trial counts
- Improved random number generator with proper seeding
- Plotting of regression models
- Two-sided interval calculations for alpha values
Critical Value Calculator
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Statistics Calculator++
No in-app purchases
Critical Value Calculator
No in-app purchases
Questions
Is Statistics Calculator++ free?
Is Critical Value Calculator free?
Do Statistics Calculator++ or Critical Value Calculator have ads?
Which is updated more often, Statistics Calculator++ or Critical Value Calculator?
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