# Calculate Standard Deviation vs Art of Stat

The clearest difference is ads: Art of Stat at none against Calculate Standard Deviation's shown. Art of Stat also leads on rating (4.9 vs 4.5) and review sentiment (75% vs 50%). On price, ratings volume, update cadence and in-app purchases there is nothing between them.

Both are free to download. Calculate Standard Deviation sells 1 one-off in-app purchase and Art of Stat 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, 4.9 against 4.5. Both are backed by a comparable volume of ratings — 62 and 24 respectively. Written reviews point the same way: 50% of Calculate Standard Deviation's written reviews are positive against 75% of Art of Stat's.

Calculate Standard Deviation ships an update every 7 months, Art of Stat every 6 months. Both last shipped on November 3, 2026.

## The numbers

| Metric | Calculate Standard Deviation | Art of Stat |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.5 (62 ratings)](https://appshunter.io/ios/app/calculate-standard-deviation/id1591420646/reviews) | **[4.9 (24 ratings)](https://appshunter.io/ios/app/art-of-stat-explore-data/id1599474757/reviews)** |
| Number of ratings | **62** | 24 |
| Positive reviews | 50.0% of reviews | **75.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 7 months | **Every 6 months** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 39 MB | 30 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Asad Ahsan](https://appshunter.io/developer/1326954499) | [Bernhard Klingenberg](https://appshunter.io/developer/1564877195) |

## What reviewers say

### Calculate Standard Deviation

[App page](https://appshunter.io/ios/app/calculate-standard-deviation/id1591420646)

This app calculates standard deviation, variance, and other statistical measures for a given set of values. It simplifies complex statistical formulas with a user-friendly interface and accurate results.

**Highlights:** Calculate Standard Deviation, Calculate Variance, Calculate Mean, Calculate Coefficient of Variance, Calculate Standard Error of Mean, User-friendly interface, Accurate statistical results

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Standard Deviation Premium | $4.99 | one-time |


### 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 |


## Frequently asked questions

### Is Calculate Standard Deviation free?

Calculate Standard Deviation is free to download, with in-app purchases available.

### Is Art of Stat free?

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

### Which has better reviews, Calculate Standard Deviation or Art of Stat?

Art of Stat is rated higher. Calculate Standard Deviation averages 4.5 out of 5 from 62 ratings, while Art of Stat averages 4.9 from 24 ratings.

### Do Calculate Standard Deviation or Art of Stat have ads?

Calculate Standard Deviation shows ads; Art of Stat does not.

### Which is updated more often, Calculate Standard Deviation or Art of Stat?

Calculate Standard Deviation ships an update every 7 months, and Art of Stat every 6 months. Most recently, Calculate Standard Deviation was updated on November 3, 2026 and Art of Stat on November 3, 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.*