Standard Deviation Calculator vs Standard Deviation
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Standard Deviation Calculator
Calculate statistical measures like standard deviation, mean, variance, and median for a dataset. It also offers population deviation and the ability to compute z-scores based on your input data.
- Calculate standard deviation
- Calculate mean (average)
- Calculate variance
- Calculate population deviation
- Calculate median
- Calculate Q1 & Q3
- Calculate z-score
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Use this app to calculate the standard deviation of a set of values. It will also return the: -mean(average) -variance -population deviation -Median -Q1 & Q3 To add a value to the set press "+Row". When all data are in press "Calculate". Note: Population deviation (n-1) is unbiased, while normal standard deviation (n) is biased. To calulate the z-score enter a number into the z-score tab, then click find z-score. The z-score will be based off the main table.
Standard Deviation
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SD calculator is an iOS application developed for the calculation of standard deviation problems. It includes entering data values and selecting the type of standard deviation i.e. sample or population. Features of standard deviation calculator Design The design of this application is unique and its style and theme are attractive. This app is designed to top all the other apps out there in the design department. Input field The input field is easy to use to enter data and get the result. Simply, add the comma-separated values and choose the type of standard deviation. Multiple options There are multiple options available in this application as you can get the mean, sample standard deviation, population standard deviation, deviation (difference of data values from the mean), square of deviation, sample variance, and population variance. Results The step-by-step solution will be provided just after hitting the calculate button for the sample and population data. This will help you to ease up the lengthy and time-consuming calculation in a fraction of a second. How to use a standard deviation calculator? This application is easy to use, but just in case you need a guide, here it is. • First of all, enter the comma-separated values into the input box. • Select the type of the standard deviation i.e. sample or population. • Press the calculate button. • The step-by-step result will show just after pressing the calculate button • Hit the reset button to enter new data.
Screenshots
Verdict
The clearest difference is in-app purchases: Standard Deviation at none against Standard Deviation Calculator's 1. Standard Deviation Calculator's advantage is iOS requirement (6.1 vs 13.0). On price, update cadence, ads and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Standard Deviation Calculator sells 1 one-off in-app purchase. Standard Deviation asks for nothing beyond the download.
Standard Deviation Calculator ships an update every 5 weeks, Standard Deviation every 2 months. The most recent releases landed on October 12, 2026 and September 30, 2026 respectively.
| Parameter | Standard Deviation Calculator | Standard Deviation |
|---|---|---|
| Price | Free | Free |
| Rating | 2.4 (24 ratings) — better | — |
| Positive reviews | 20.0% of reviews | — |
| Number of ratings | 24 — better | — |
| Update frequency | Every 5 weeks — better | Every 2 months |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod, Mac — better |
| Requires iOS | 6.1 — better | 13.0 |
| Further details — not scored | ||
| Size | 2 MB | 21 MB |
| Age rating | 4+ | 4+ |
| Developer | Keely Hill | Ahmad Sattar |
In-app purchases
Standard Deviation Calculator
- More ResultsFree
Standard Deviation
No in-app purchases
Questions
Is Standard Deviation Calculator free?
Is Standard Deviation free?
Do Standard Deviation Calculator or Standard Deviation have ads?
Which is updated more often, Standard Deviation Calculator or Standard Deviation?
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