# Standard Deviation Calc - SD — Sample, Population: Calculator

> Calculates standard deviation, mean, variance, and other statistical values from numerical data. (iPhone/iPad app by Phan Nhat Đang.)

- Source: https://appshunter.io/ios/app/standard-deviation-calc-sd/id1497525733 (this page in markdown: same URL + `.md`)
- Developer: [Phan Nhat Đang](https://appshunter.io/developer/1437390098)
- Category: Utilities, Productivity
- Price: Free with in-app purchases
- Rating: 3.70/5 from 11 App Store ratings · 2 written reviews indexed
- Age rating: 4+
- Requires: iOS 14.0 · 2 MB
- Languages: American English, Czech, Danish, Dutch, Finnish, French (France), German (Germany), Indonesian, Italian, Japanese and 12 more
- Released: 2020-02-04
- Data updated: 2026-08-27
- Monetization: free with in-app purchases
- User reviews in markdown: https://appshunter.io/ios/app/standard-deviation-calc-sd/id1497525733/reviews.md

## What is Standard Deviation Calc?

Use this app to calculate standard deviation for a population or sample data set. Enter your numerical values, and the app will instantly calculate standard deviation, variance, mean, count, sum, and other supporting statistics.

Results are estimates for informational purposes only.

We are very happy to serve you. If you have any requests, don't hesitate to contact us.
- https://www.facebook.com/phan.nhatdang.3/
- phannhatd@gmail.com

## Key features

- Calculate standard deviation
- Sample or population data
- Compute mean and variance
- Count numerical values
- Sum of numbers
- List of differences

## Pricing and in-app purchases

Base price: Free.

**One-time purchases**

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


## Recent user reviews (2 of 2)

All indexed reviews: https://appshunter.io/ios/app/standard-deviation-calc-sd/id1497525733/reviews.md

### 3/5 — Game

*2025-03-30*

Too many ads and difficult to get rid of

### 1/5 — Ads are insane

*2025-01-03*

Too many adds

## Frequently asked questions about Standard Deviation Calc

### What is Standard Deviation Calc - SD?

Standard Deviation Calc - SD is a utility app designed to compute statistical values from numerical data. It helps users calculate standard deviation, mean, variance, and other related metrics for both sample and population datasets.

### How do I use Standard Deviation Calc - SD?

To use Standard Deviation Calc - SD, you enter your numerical values into the provided box, specifying whether the data is for a sample or a population. Then, press the 'Calculate' button to see the results.

### What statistical measures can Standard Deviation Calc - SD calculate?

Standard Deviation Calc - SD can calculate standard deviation, the count of numbers, the sum of all numbers, the arithmetic mean, differences between each number and the mean, the square of each difference, the sum of squared differences, and variance.

### Does Standard Deviation Calc - SD have ads?

Yes, Standard Deviation Calc - SD contains advertisements. This is typical for free utility applications that offer in-app purchases.

### What devices is Standard Deviation Calc - SD available on?

Standard Deviation Calc - SD is available for iPhone, iPad, and iPod devices. It is designed for iOS users who need quick statistical calculations on the go.

### How often is Standard Deviation Calc - SD updated?

The latest version of Standard Deviation Calc - SD is 2.1.0, and it was last updated on August 16, 2023. This indicates regular maintenance and potential feature additions.

### What is the user rating for Standard Deviation Calc - SD?

Standard Deviation Calc - SD has a rating of 3.6 stars from 10 ratings. This suggests a generally positive but mixed user reception.

### Is Standard Deviation Calc - SD suitable for educational purposes?

Yes, Standard Deviation Calc - SD is suitable for educational purposes, particularly for students learning statistics. It provides a practical tool for understanding and calculating key statistical concepts.

## Version history (last 5 releases)

### 2.3.0 — 2026-06-06

Bug fixes and performance improvements

### 2.1.1 — 2026-04-19

Bug fixes and performance improvements

### 2.1.0 — 2023-08-16

Bug fixes and performance improvements

### 2.0.0 — 2023-04-01

Bug fixes and performance improvements

### 1.3.0 — 2020-09-25

Bug fixes and performance improvements

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All apps by Phan Nhat Đang: https://appshunter.io/developer/1437390098

## Related topics

[standard deviation calculator](https://appshunter.io/ios/topics/standard-deviation-calculator) · [variance](https://appshunter.io/ios/topics/variance) · [standard deviation](https://appshunter.io/ios/topics/standard-deviation)

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-27.*