# Standard Deviation Calc vs Prosopag

The clearest difference is in-app purchases: Prosopag at none against Standard Deviation Calc's 1. Prosopag also leads on iOS requirement (12.0 vs 14.0). Standard Deviation Calc's advantage is device support. On price there is nothing between them.

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

## The numbers

| Metric | Standard Deviation Calc | Prosopag |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.7 (11 ratings)](https://appshunter.io/ios/app/standard-deviation-calc-sd/id1497525733/reviews)** | — |
| Number of ratings | **11** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | — |
| Update frequency | Every 5 months | — |
| Monetization | Free with in-app purchases | — |
| Size | 2 MB | 72 MB |
| Requires iOS | 14.0 | **12.0** |
| Devices | **iPhone, iPad, iPod** | — |
| Age rating | 4+ | 4+ |
| Developer | [Phan Nhat Đang](https://appshunter.io/developer/1437390098) | [Monica Engstrom Psykoterapi AB](https://appshunter.io/developer/1724830947) |

## 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 |


### Prosopag

[App page](https://appshunter.io/ios/app/prosopag/id6475694774)

**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 Prosopag free?

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

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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.*