# STA Methods vs Art of Stat

The clearest difference is in-app purchases: STA Methods at none against Art of Stat's 6. STA Methods also leads on iOS requirement (13.0 vs 15.1). Art of Stat's advantage is ratings volume (24 vs 1). On price, rating, update cadence and ads there is nothing between them.

Both are free to download. Art of Stat sells 6 one-off in-app purchases. STA Methods asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for STA Methods against 4.9 for Art of Stat. That said, the two scores are not equally well evidenced: Art of Stat has 24 ratings behind it against 1, so its average is the more settled of the two.

STA Methods ships an update every 4 months, Art of Stat every 6 months. The most recent releases landed on October 2, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | STA Methods | Art of Stat |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/sta-methods/id657466046/reviews)** | [4.9 (24 ratings)](https://appshunter.io/ios/app/art-of-stat-explore-data/id1599474757/reviews) |
| Number of ratings | 1 | **24** |
| Positive reviews | — | 75.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 4 months** | Every 6 months |
| Monetization | Free | Free |
| Size | 5 MB | 30 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Spade Apps, LLC](https://appshunter.io/developer/532346089) | [Bernhard Klingenberg](https://appshunter.io/developer/1564877195) |

## What reviewers say

### STA Methods

[App page](https://appshunter.io/ios/app/sta-methods/id657466046)

This app helps college statistics students by providing essential formulas and symbols for homework and study. It also includes a dedicated section for taking notes during class or for later review.

**Highlights:** Key statistics formulas, Essential symbols reference, In-app notes section, Study aid for college statistics, Homework assistance

**Features:** macOS Compatibility

**In-app purchases:** none


### Art of Stat

[App page](https://appshunter.io/ios/app/art-of-stat-explore-data/id1599474757)

Explore statistical methods for analyzing categorical and quantitative data. Generate various charts and plots, including interactive scatterplots, and utilize a built-in data editor. Import your own data or use preloaded examples.

**Highlights:** Descriptive statistics, Categorical and quantitative data analysis, Bar, pie, histogram, and box plots, Interactive scatterplots, Contingency tables, Data import (CSV), Built-in data editor

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Compare Groups Categorical Var | $0.99 | one-time |
| Two Categorical Variables | $0.99 | one-time |
| Explore Quantitative Variable | $0.99 | one-time |
| Compare Groups (Quantitative) | $0.99 | one-time |
| Two Quantitative Variables | $0.99 | one-time |
| Unlock Entire Explore Data app | $3.99 | one-time |


## Frequently asked questions

### Is STA Methods free?

STA Methods is free to download, with no in-app purchases.

### Is Art of Stat free?

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

### Which has better reviews, STA Methods or Art of Stat?

STA Methods is rated higher. STA Methods averages 5.0 out of 5 from 1 ratings, while Art of Stat averages 4.9 from 24 ratings.

### Do STA Methods or Art of Stat have ads?

Neither STA Methods nor Art of Stat shows ads.

### Which is updated more often, STA Methods or Art of Stat?

STA Methods ships an update every 4 months, and Art of Stat every 6 months. Most recently, STA Methods was updated on October 2, 2026 and Art of Stat on October 8, 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.*