js vs Stats tester plus
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
js
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Explanation: STAR is a nickname for statistical analysis program developed for personal computers.(STatistical Analysis Rescuers). Main functions · Fisher's exact test 1 x 2 · Fisher's exact test 1 x 2 (P1 not equal P2) · Fisher's exact test 2 x 2 · Chi-square Test 1 x J · Chi-square Test i x J · Add Grade1 x 2 ■Method of use (1) Start the "js-STAR" app. (2) Tap the [ frequency test ] button (3) Enter a number where two or four square cells are displayed. (4) Tap the [ Calculate!" ] Button. (5) Result is output to the TextField. ■Disclaimer (1) This may not run correctly depending on the iOS version or model. (2) The creator shall not bear any responsibility for any damage caused to the user when downloading the app.
Stats tester plus
Perform parametric and nonparametric statistical tests with an intuitive interface. Easily enter, modify, and manage large datasets. Share results via email or memo, and import data from other applications.
- Parametric and nonparametric statistical tests
- Easy data entry and modification
- Support for large datasets
- Data import from Excel/Numbers
- One-sided and two-sided tests
- Continuity correction options
- Shareable results
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### Features of this statistics app ### 1. By using Stats tester plus, you can perform some parametric and nonparametric statistics tests with an easy operation. 2. Since one sample group (multiple data) is entered in one window, it is easy to enter, add, and modify many data. 3. For tests with multiple input windows, 100 data can be entered for each input window. For tests such as chi-square test (2X2, mXn) and Fisher exact test (2X2), you can enter up to frequency of 100,000,000 4. A built-in 10-keypad in a phone or calculator layout makes data entry easy. Standard iPhone and Mac keyboards are also available, and these can be switched to a 10-keypad at any time. 5. Unlike the Mini version, Stats tester plus allows one-sided tests to be performed following two-sided tests for some tests. In addition, for tests that perform continuity correction, it is also possible to display the test results without continuity correction. 6. Input data and all output screen can be recorded by sharing (mail, memo). No need to take notes on paper. 7. Data can be imported into the input window from apps such as Excel and Numbers by copy/paste, although it takes a little time. When you have an M1~3 Mac, you can simply copy/paste Numbers data into the input window of this app. 8. You can check the usability of this app with Stats tester mini (free version). Stats tester mini has fewer tests than Stats tester plus and does not support one-tailed tests, but its usability is the same as Stats tester plus. Please download Stats tester mini and check the usability of this Plus version of Stats tester. ## how to use ## Each test screen has [Help], [Example], [Graph], [Calc], [Clear] and [Share] buttons. You can check the usage details in the free version of Stats tester mini. ## Statistics methods ## Currently, 27 methods are available. A. Basic Statistics (Mean,SD,Median, etc) [Graph] 1. Mean, SD, Skewness, Kurtosis, etc. ( Means (Arithmetic, Geometric and Harmonic), Standard Deviation、Standard Error、Confidence interval (CI, 95 and 99%), Variance, Unbiased variance, Coefficient of variation (%CV), Skewness, Kurtosis) 2. Median, Range, Quartiles and Boxplot [Graph] (Median, Maximum, Minimum, Quartiles, Quartile Deviation, Boxplot) B. Test for Mean,Variance,etc. (Parametric) 1. One-Sample t-Test (to Compared Mean) [Graph] 2. Two-Sample t-Test (Student's and Welch's t-Tests) [Graph] 3. Paired t-Test (Paired Sample) [Graph] 4. F-Test of Variance for Two Samples [Graph] 5. Levene Test of Variance for Multiple Samples [Graph] 6. One-Way Analysis of Variance (ANOVA) [Graph] 7. Multiple t-Test with Bonferroni Correction [Graph] C. Test for Median, etc. (Nonparametric) 1. Mann-Whitney U Test (Two Samples) [Graph] 2. Median Test (Two Samples) [Graph] 3. Wilcoxon Signed Rank Test (Paired Sample) [Graph] 4. Kruskal-Wallis Test & Multiple Comparisons (by Bonferroni Correction) [Graph] D. Test for Proportion 1. Sign Test (Paired Sample) [Graph] 2. Binomial Test [Exact Method] (One-Sample Proportion Test) 3. Binomial Test [Approx Method] (One-Sample Proportion Test) 4. Two-Sample Proportion Test [Approx. Method] E. Test for Frequency 1. Chi-Square Test (Goodness of Fit) [Graph] 2. Chi-Square Test (2x2, Independence) 3. Chi-Square Test (mxn, Independence) 4. McNemar's Test (Chi-Square Test for Paired Sample) 5. Fisher's Exact Test (2x2) F. Test for Correlation 1. Linear Regression and Test for Pearson Correlation Coefficient [Graph] 2. Test for Differences in Correlation Coefficients (One Sample) 3. Test for Differences in Correlation Coefficients (Two Samples) 4. Spearman Rank Correlation Test [Graph] G. Other (Normality Test) 1. Shapiro-Wilk Test (Normality) and Q-Q Plot [Graph]
Screenshots
Verdict
The clearest difference is price: js at Free against Stats tester plus's $3.99. js also leads on iOS requirement (13.0 vs 15.0). On update cadence, 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
js is free to download; Stats tester plus costs $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.
js ships an update every 2 months, Stats tester plus every 3 months. The most recent releases landed on September 14, 2026 and August 1, 2026 respectively.
| Parameter | js | Stats tester plus |
|---|---|---|
| Price | Free — better | $3.99 |
| Rating | — | 5.0 (1 ratings) — better |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | — | 1 — better |
| Update frequency | Every 2 months — better | Every 3 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Paid |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 13.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 1 MB | 5 MB |
| Age rating | 9+ | 4+ |
| Developer | Hiroyuki Nakano | Hideki Ono |
In-app purchases
js
No in-app purchases
Stats tester plus
No in-app purchases





