# StatsSims vs Calculate Standard Deviation

The clearest difference is in-app purchases: StatsSims at none against Calculate Standard Deviation's 1. StatsSims also leads on ads (none vs shown) and update cadence (every 2 months vs every 7 months). Calculate Standard Deviation's advantage is rating (4.5 vs 4.2) and ratings volume (62 vs 5). On price, review sentiment and device support there is nothing between them.

Both are free to download. Calculate Standard Deviation sells 1 one-off in-app purchase. StatsSims asks for nothing beyond the download.

Calculate Standard Deviation holds the better App Store score, 4.5 against 4.2. That said, the two scores are not equally well evidenced: Calculate Standard Deviation has 62 ratings behind it against 5, so its average is the more settled of the two. Written reviews split almost evenly too, at 50% and 50% positive.

StatsSims ships an update every 2 months, Calculate Standard Deviation every 7 months. The most recent releases landed on June 11, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | StatsSims | Calculate Standard Deviation |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.2 (5 ratings)](https://appshunter.io/ios/app/statssims/id1111648635/reviews) | **[4.5 (62 ratings)](https://appshunter.io/ios/app/calculate-standard-deviation/id1591420646/reviews)** |
| Number of ratings | 5 | **62** |
| Positive reviews | 50.0% of reviews | 50.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 2 months** | Every 7 months |
| Monetization | **Free** | Free with in-app purchases |
| Size | 187 MB | 39 MB |
| Requires iOS | **6.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [New York University](https://appshunter.io/developer/485666462) | [Asad Ahsan](https://appshunter.io/developer/1326954499) |

## What reviewers say

### StatsSims

[App page](https://appshunter.io/ios/app/statssims/id1111648635)

Explore statistical concepts with interactive simulations designed for introductory statistics courses. Covers topics from sampling to distributions, with more to come.

**Highlights:** Interactive statistical simulations, Introductory statistics topics, Sampling and distributions, Confidence intervals, Regression and correlation, Future topic additions planned

**Features:** macOS Compatibility

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is StatsSims free?

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

### Is Calculate Standard Deviation free?

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

### Which has better reviews, StatsSims or Calculate Standard Deviation?

Calculate Standard Deviation is rated higher. StatsSims averages 4.2 out of 5 from 5 ratings, while Calculate Standard Deviation averages 4.5 from 62 ratings.

### Do StatsSims or Calculate Standard Deviation have ads?

Calculate Standard Deviation shows ads; StatsSims does not.

### Which is updated more often, StatsSims or Calculate Standard Deviation?

StatsSims ships an update every 2 months, and Calculate Standard Deviation every 7 months. Most recently, StatsSims was updated on June 11, 2026 and Calculate Standard Deviation on September 22, 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.*