Comparison

Calculate Standard Deviation vs CougarStats

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

Head to head
About

Calculate Standard Deviation

This app calculates standard deviation, variance, and other statistical measures for a given set of values. It simplifies complex statistical formulas with a user-friendly interface and accurate results.

Highlights
  • Calculate Standard Deviation
  • Calculate Variance
  • Calculate Mean
  • Calculate Coefficient of Variance
  • Calculate Standard Error of Mean
  • User-friendly interface
  • Accurate statistical results
Features
Read full description

Make a use of this standard deviation calculator app to attain the results for standard deviation calculations right now: In the context of statistics, the term standard deviation (SD) refers to the variation or dispersion of the data set of values. A lower SD (also called estimated value) shows that the data points exist very close to the origin. Whereas a higher value of it leads the data points to disperse over a wider range of the values. Use this standard deviation app to determine the standard deviation and variance with a single click. With the help of SD, you can easily find how close the sample mean is to the actual mean of the population. You can use this standard deviation calculator app for to generate absolute outputs. Calculate Standard Deviation of A Set of Values: The SD is calculator on the basis of the following terms: Count of Values: It is the number of the values in the data set. Total Sum of Values: Summation represents the addition of all the values that are given in the data set Standard Mean: It refers to the average of all the values in the set of values. Use this mean and standard deviation calculator to find the mean instantly. Variance: The actual dispersion of data from the mean position is called variance. You can work for the variance with the help of this variance calculator. Coefficient of Variance: The amplitude of the data dispersion about the mean is known as coefficient of variance. Standard Error of Mean: The approximate deviation of the population from mean is known as standard error of mean. This standard error calculator helps you to estimate the actual error of mean precisely. SD helps you in performing various statistical calculations with larger data sets. Now there’s no need to stick with daunting statistical formulas to proceed with SD calculation as our variance and standard deviation calculator does all in a few clicks. Apart from the formulas that are difficult to remember, it is a better practice to use this app for absolutely. How Does It Work? This mean absolute deviation calculator app determines the following terms: Standard Deviation Count of Values Total Sum of Values Mean of The Values Variance Coefficient of Variance Standard Error of Mean (SE) Other Features Includes: User-Friendly Interface An easy to use keyboard with a particular key to enter repetition of same number with one single tap Versatile input box that enlarges as you write data point values Most accurate statistical results The standard deviation tells you how wide and curved the graph will be. If you know the above mentioned terms, you have everything that you need in actual for determining standard deviation. Also for the sake of you people, standard deviation calculator is designed to find accurate output corresponding to the terms defined. Hope it will help you for sure. Privacy Policy: https://calculator-online.net/privacy-policy/ Terms of Service: https://calculator-online.net/terms-of-service/

About

CougarStats

This app simplifies statistical concepts for students and instructors. It offers tools for descriptive statistics, probability distributions, inference, and regression analysis, aiming to enhance understanding of statistical results.

Highlights
  • Descriptive Statistics
  • Probability Distributions
  • Statistical Inference
  • Simple Linear Regression
  • Correlation Analysis
  • User-friendly interface
Features
Read full description

CougarStats is an app designed for Descriptive Statistics, Probability Distributions, Statistical Inference, Simple Linear Regression & Correlation Analysis. CougarStats aims to simplify statistical concepts and foster learning with a user-friendly interface. In the context of statistical education, there is a need for intuitive and comprehensive apps that are accessible to a wide range of users, from students to instructors. The app is designed using education principles to balance simplicity with analytical depth, and uses an Agile approach in its development to consistently refine functionality and incorporate user feedback. In addition, the goal is to start distributing the application to a wider audience to gather feedback on future functionality as well as ways of optimizing the current suite of apps. As a result of these continued efforts, CougarStats will be presented to the educational community as the preeminent statistical analysis app in Statistics and Data Science courses. In conclusion, CougarStats represents a significant step towards empowering students in understanding and critically evaluating statistical results.

Screenshots

Calculate Standard Deviation4 screens
CougarStats4 screens

Verdict

The call

The clearest difference is in-app purchases: CougarStats at none against Calculate Standard Deviation's 1. CougarStats also leads on ads (none vs shown) and review sentiment (80% vs 50%). Calculate Standard Deviation's advantage is device support (3 vs 1) and iOS requirement (15.0 vs 17.0). On price 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. Calculate Standard Deviation sells 1 one-off in-app purchase. CougarStats asks for nothing beyond the download.

UpkeepUpdate frequency

Calculate Standard Deviation ships an update every 7 months, CougarStats weekly. The most recent releases landed on October 3, 2026 and October 5, 2026 respectively.

Scorecard7 real differences · 3 level
Calculate Standard Deviation versus CougarStats: the parameters behind the verdict, then further details
ParameterCalculate Standard DeviationCougarStats
PriceFreeFree
Rating4.5 (62 ratings) — better—
Positive reviews50.0% of reviews80.0% of reviews — better
Number of ratings62 — better—
Update frequencyEvery 7 monthsWeekly — better
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS15.0 — better17.0
Further details — not scored
Size39 MB4 MB
Age rating4+4+
DeveloperAsad AhsanAshok Krishnamurthy

Customer experience

Calculate Standard Deviation

All ratings62 ratings
Positive88.7%
Neutral3.2%
Negative8.1%
Written reviews2 reviews
Positive50.0%
Neutral0.0%
Negative50.0%

CougarStats

Written reviews5 reviews
Positive80.0%
Neutral20.0%
Negative0.0%

In-app purchases

1 purchases

Calculate Standard Deviation

One-time1
  • Standard Deviation Premium$4.99
None

CougarStats

No in-app purchases

Questions

Is Calculate Standard Deviation free?
Calculate Standard Deviation is free to download, with in-app purchases available.
Is CougarStats free?
CougarStats is free to download, with no in-app purchases.
Do Calculate Standard Deviation or CougarStats have ads?
Calculate Standard Deviation shows ads; CougarStats does not.
Which is updated more often, Calculate Standard Deviation or CougarStats?
Calculate Standard Deviation ships an update every 7 months, and CougarStats weekly. Most recently, Calculate Standard Deviation was updated on October 3, 2026 and CougarStats on October 5, 2026.

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