# Geometric Mean vs Standard Deviation

The clearest difference is update cadence: Standard Deviation at every 2 months against Geometric Mean's every 6 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Geometric Mean ships an update every 6 months, Standard Deviation every 2 months. Both last shipped on October 27, 2026.

## The numbers

| Metric | Geometric Mean | Standard Deviation |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[1.0 (1 ratings)](https://appshunter.io/ios/app/standard-deviation-calculator/id6444146244/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 2 months** |
| Monetization | — | Free |
| Size | 43 MB | 21 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Stage Coding](https://appshunter.io/developer/1637068135) | [Ahmad Sattar](https://appshunter.io/developer/1458483953) |

## What reviewers say

### Geometric Mean

[App page](https://appshunter.io/ios/app/geometric-mean-calcon/id1618799717)

**Features:** macOS Compatibility

**In-app purchases:** none


### Standard Deviation

[App page](https://appshunter.io/ios/app/standard-deviation-calculator/id6444146244)

Easily calculate standard deviation with this iOS app. Enter your data values, choose between sample or population calculations, and get step-by-step results instantly. It offers a unique and attractive design for a seamless user experience.

**Highlights:** Calculate sample and population standard deviation, Enter comma-separated data values, View step-by-step solutions, Calculate mean, deviation, and variance, Unique and attractive design, Reset function for new data

**In-app purchases:** none


## Frequently asked questions

### Is Geometric Mean free?

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

### Is Standard Deviation free?

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

### Do Geometric Mean or Standard Deviation have ads?

Neither Geometric Mean nor Standard Deviation shows ads.

### Which is updated more often, Geometric Mean or Standard Deviation?

Geometric Mean ships an update every 6 months, and Standard Deviation every 2 months. Most recently, Geometric Mean was updated on October 27, 2026 and Standard Deviation on October 27, 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.*