# Standard Deviation Calc vs Statistics Calculator

The clearest difference is review sentiment: Statistics Calculator at 100% against Standard Deviation Calc's 0%. Statistics Calculator also leads on rating (4.9 vs 3.7) and in-app purchases (none vs 1). On price, ratings volume, ads and device support there is nothing between them.

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

Statistics Calculator holds the better App Store score, 4.9 against 3.7. Both are backed by a comparable volume of ratings — 11 and 10 respectively. Written reviews point the same way: 0% of Standard Deviation Calc's written reviews are positive against 100% of Statistics Calculator's.

Standard Deviation Calc ships an update every 5 months, Statistics Calculator every 3 weeks. The most recent releases landed on September 21, 2026 and September 16, 2026 respectively.

## The numbers

| Metric | Standard Deviation Calc | Statistics Calculator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.7 (11 ratings)](https://appshunter.io/ios/app/standard-deviation-calc-sd/id1497525733/reviews) | **[4.9 (10 ratings)](https://appshunter.io/ios/app/statistics-calculator-basic/id1535098606/reviews)** |
| Number of ratings | **11** | 10 |
| Positive reviews | 0.0% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 3 weeks** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 2 MB | 5 MB |
| Requires iOS | 14.0 | **13.6** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Phan Nhat Đang](https://appshunter.io/developer/1437390098) | [William Spell](https://appshunter.io/developer/1535098608) |

## What reviewers say

### Standard Deviation Calc

[App page](https://appshunter.io/ios/app/standard-deviation-calc-sd/id1497525733)

Calculate standard deviation for sample or population data. Input numerical values to find standard deviation, count, sum, mean, variance, and more. Get quick statistical insights with this easy-to-use tool.

**Highlights:** Calculate standard deviation, Sample or population data, Compute mean and variance, Count numerical values, Sum of numbers, List of differences

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove ads | $1.99 | one-time |


### Statistics Calculator

[App page](https://appshunter.io/ios/app/statistics-calculator-basic/id1535098606)

Perform essential statistical calculations with ease. Input your numerical data, and the app will compute mean, median, mode, standard deviation, and more. Navigate seamlessly between data entry and results.

**Highlights:** Calculate Mean, Calculate Median, Calculate Mode, Calculate Standard Deviation, Calculate Variance, Geometric Mean, Range Calculation

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Standard Deviation Calc free?

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

### Is Statistics Calculator free?

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

### Which has better reviews, Standard Deviation Calc or Statistics Calculator?

Statistics Calculator is rated higher. Standard Deviation Calc averages 3.7 out of 5 from 11 ratings, while Statistics Calculator averages 4.9 from 10 ratings.

### Do Standard Deviation Calc or Statistics Calculator have ads?

Neither Standard Deviation Calc nor Statistics Calculator shows ads.

### Which is updated more often, Standard Deviation Calc or Statistics Calculator?

Standard Deviation Calc ships an update every 5 months, and Statistics Calculator every 3 weeks. Most recently, Standard Deviation Calc was updated on September 21, 2026 and Statistics Calculator on September 16, 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.*