# Art of Stat vs R Programming Guide

The clearest difference is review sentiment: Art of Stat at 100% against R Programming Guide's 0%. Art of Stat also leads on price (Free vs $3.99) and rating (5.0 vs 3.7). On update cadence, in-app purchases, device support and iOS requirement there is nothing between them.

Art of Stat is free to download; R Programming Guide costs $3.99 up front. Art of Stat sells 12 one-off in-app purchases and R Programming Guide sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Art of Stat holds the better App Store score, 5.0 against 3.7. That said, the two scores are not equally well evidenced: Art of Stat has 20 ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 100% of Art of Stat's written reviews are positive against 0% of R Programming Guide's.

Art of Stat ships an update every 6 months, R Programming Guide every 5 months. The most recent releases landed on October 24, 2026 and October 21, 2026 respectively.

## The numbers

| Metric | Art of Stat | R Programming Guide |
| --- | --- | --- |
| Price | **Free** | $3.99 |
| Rating | **[5.0 (20 ratings)](https://appshunter.io/ios/app/art-of-stat-inference/id1578438712/reviews)** | [3.7 (3 ratings)](https://appshunter.io/ios/app/r-programming-guide/id6470017620/reviews) |
| Number of ratings | **20** | 3 |
| Positive reviews | **100.0% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 6 months | **Every 5 months** |
| Monetization | **Free with in-app purchases** | Paid |
| Size | 33 MB | 31 MB |
| Requires iOS | **15.1** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [Bernhard Klingenberg](https://appshunter.io/developer/1564877195) | [Ashenafi Siyume Girema](https://appshunter.io/developer/1708865011) |

## What reviewers say

### Art of Stat

[App page](https://appshunter.io/ios/app/art-of-stat-inference/id1578438712)

This app is a statistical calculator for performing confidence intervals and hypothesis tests on proportions and means. It offers various tests including z-tests, t-tests, McNemar's test, and ANOVA, with clear visualizations of results and P-values. It also includes a data editor and works offline.

**Highlights:** Inference for proportions (z-test, two sample z-test, McNemar), Inference for means (t-test, two-sample t-test, paired t-test, ANOVA), Chi-Square tests (Goodness of Fit, Independence), Data editor for creating, editing, and importing datasets, Visualizations of confidence intervals and P-values, Offline mode for exam use, Result sharing via screenshots

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (12)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Inference for a Mean | $0.99 | one-time |
| Coverage for Intervals | $0.99 | one-time |
| Errors & Power | $0.99 | one-time |
| Inference for Two Proportions | $0.99 | one-time |
| Inference for Two Means | $0.99 | one-time |
| ANOVA: Comparing Means | $0.99 | one-time |
| Chi-Square Test (Independence) | $0.99 | one-time |
| Two Quantitative Variables | $0.99 | one-time |
| Chi-Square Test (GoF) | $0.99 | one-time |
| Two Dependent Means | $0.99 | one-time |
| Two Dependent Proportions | $0.99 | one-time |
| Unlock All Apps | $3.99 | one-time |


### R Programming Guide

[App page](https://appshunter.io/ios/app/r-programming-guide/id6470017620)

Master R software with this comprehensive iOS guide. It provides short notes, detailed guides, and extensive statistical resources for data analysis and result interpretation. Suitable for beginners and experts alike, it unlocks data-driven insights.

**Highlights:** R software mastery, Data analysis assistance, Result interpretation guides, Short, insightful notes, Extensive statistical resources, Beginner to pro support

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Enable Offline Mode | $49.99 | one-time |


## Frequently asked questions

### Is Art of Stat free?

Art of Stat is free to download, with in-app purchases available.

### Is R Programming Guide free?

R Programming Guide costs $3.99, and also offers in-app purchases.

### Which has better reviews, Art of Stat or R Programming Guide?

Art of Stat is rated higher. Art of Stat averages 5.0 out of 5 from 20 ratings, while R Programming Guide averages 3.7 from 3 ratings.

### Do Art of Stat or R Programming Guide have ads?

R Programming Guide shows ads; Art of Stat does not.

### Which is updated more often, Art of Stat or R Programming Guide?

Art of Stat ships an update every 6 months, and R Programming Guide every 5 months. Most recently, Art of Stat was updated on October 24, 2026 and R Programming Guide on October 21, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*