Comparison

Standard Deviation Calculator vs Standard Deviation

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

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.

Highlights
  • Calculate standard deviation
  • Calculate mean (average)
  • Calculate variance
  • Calculate population deviation
  • Calculate median
  • Calculate Q1 & Q3
  • Calculate z-score
Features
Read full description

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.

About

Standard Deviation

Read full description

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

Standard Deviation Calculator2 screens
Standard Deviation4 screens

Verdict

The call

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

CostPrice · In-app purchases · Ads · Monetization

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

UpkeepUpdate frequency

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.

Scorecard2 real differences · 8 level
Standard Deviation Calculator versus Standard Deviation: the parameters behind the verdict, then further details
ParameterStandard Deviation CalculatorStandard Deviation
PriceFreeFree
Rating2.4 (24 ratings) — better—
Positive reviews20.0% of reviews—
Number of ratings24 — better—
Update frequencyEvery 5 weeks — betterEvery 2 months
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod, Mac — better
Requires iOS6.1 — better13.0
Further details — not scored
Size2 MB21 MB
Age rating4+4+
DeveloperKeely HillAhmad Sattar

In-app purchases

1 purchases

Standard Deviation Calculator

One-time1
  • More ResultsFree
None

Standard Deviation

No in-app purchases

Questions

Is Standard Deviation Calculator free?
Standard Deviation Calculator is free to download, with in-app purchases available.
Is Standard Deviation free?
Standard Deviation is free to download, with no in-app purchases.
Do Standard Deviation Calculator or Standard Deviation have ads?
Neither Standard Deviation Calculator nor Standard Deviation shows ads.
Which is updated more often, Standard Deviation Calculator or Standard Deviation?
Standard Deviation Calculator ships an update every 5 weeks, and Standard Deviation every 2 months. Most recently, Standard Deviation Calculator was updated on October 12, 2026 and Standard Deviation on September 30, 2026.

Other comparisons