# Art of Stat vs DefineTestTerms

The clearest difference is in-app purchases: DefineTestTerms at none against Art of Stat's 1. DefineTestTerms also leads on iOS requirement (11.0 vs 15.1). Art of Stat's advantage is update cadence (every 6 months vs every 20 months) and ratings volume (24 vs 1). On price, rating, ads and monetization model there is nothing between them.

Both are free to download. Art of Stat sells 1 one-off in-app purchase. DefineTestTerms asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.9 for Art of Stat against 5.0 for DefineTestTerms. 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.

Art of Stat ships an update every 6 months, DefineTestTerms every 20 months. The most recent releases landed on November 3, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | Art of Stat | DefineTestTerms |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.9 (24 ratings)](https://appshunter.io/ios/app/art-of-stat-explore-data/id1599474757/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/definetestterms/id1661148814/reviews)** |
| Number of ratings | **24** | 1 |
| Positive reviews | 75.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 6 months** | Every 20 months |
| Monetization | Free | Free |
| Size | 30 MB | 31 MB |
| Requires iOS | 15.1 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Bernhard Klingenberg](https://appshunter.io/developer/1564877195) | [ESP Solutions Group, Inc.](https://appshunter.io/developer/1605962614) |

## What reviewers say

### 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 (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock Entire Explore Data app | $3.99 | one-time |


### DefineTestTerms

[App page](https://appshunter.io/ios/app/definetestterms/id1661148814)

Access a comprehensive glossary of assessment terms for quick definitions. This app is beneficial for understanding general and technical terms while reading reports, attending lectures, or engaging in various educational tasks.

**Highlights:** Comprehensive glossary of assessment terms, Definitions for general and technical terms, Quick access to definitions, Beneficial for educational tasks, Accessible on iPhone and iPad

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Art of Stat free?

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

### Is DefineTestTerms free?

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

### Which has better reviews, Art of Stat or DefineTestTerms?

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

### Do Art of Stat or DefineTestTerms have ads?

Neither Art of Stat nor DefineTestTerms shows ads.

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

Art of Stat ships an update every 6 months, and DefineTestTerms every 20 months. Most recently, Art of Stat was updated on November 3, 2026 and DefineTestTerms on October 13, 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.*