Comparison

Permutation and Combination vs Calculate Standard Deviation

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

Head to head
About

Permutation and Combination

Easily calculate permutations and combinations with this educational tool. It provides a straightforward way to solve mathematical problems related to arrangements and selections.

Highlights
  • Calculate permutations
  • Calculate combinations
  • Easy to use interface
  • Educational tool
Features
Read full description

This application can calculate permutation and combination easily.

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/

Screenshots

Permutation and Combination1 screens
Calculate Standard Deviation4 screens

Verdict

The call

The clearest difference is in-app purchases: Permutation and Combination at none against Calculate Standard Deviation's 1. Permutation and Combination also leads on ads (none vs shown) and iOS requirement (12.1 vs 15.0). Calculate Standard Deviation's advantage is rating (4.5 vs 4.1) and update cadence (every 7 months vs every 40 months). On price, review sentiment 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. Calculate Standard Deviation sells 1 one-off in-app purchase. Permutation and Combination asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Calculate Standard Deviation holds the better App Store score, 4.5 against 4.1. Both are backed by a comparable volume of ratings — 13 and 62 respectively. Written reviews point the same way: 44% of Permutation and Combination's written reviews are positive against 50% of Calculate Standard Deviation's.

UpkeepUpdate frequency

Permutation and Combination ships an update every 40 months, Calculate Standard Deviation every 7 months. The most recent releases landed on September 10, 2026 and September 22, 2026 respectively.

Scorecard7 real differences · 3 level
Permutation and Combination versus Calculate Standard Deviation: the parameters behind the verdict, then further details
ParameterPermutation and CombinationCalculate Standard Deviation
PriceFreeFree
Rating4.1 (13 ratings)4.5 (62 ratings) — better
Positive reviews44.4% of reviews50.0% of reviews — better
Number of ratings1362 — better
Update frequencyEvery 40 monthsEvery 7 months — better
AdsNo — betterYes
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPod, Apple WatchiPhone, iPad, iPod
Requires iOS12.1 — better15.0
Further details — not scored
Size23 MB39 MB
Age rating4+4+
DeveloperKeiji MatsuiAsad Ahsan

Customer experience

Permutation and Combination

All ratings13 ratings
Positive61.5%
Neutral23.1%
Negative15.4%
Written reviews9 reviews
Positive44.4%
Neutral33.3%
Negative22.2%

Calculate Standard Deviation

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

In-app purchases

None

Permutation and Combination

No in-app purchases

1 purchases

Calculate Standard Deviation

One-time1
  • Standard Deviation Premium$4.99

Questions

Is Permutation and Combination free?
Permutation and Combination is free to download, with no in-app purchases.
Is Calculate Standard Deviation free?
Calculate Standard Deviation is free to download, with in-app purchases available.
Which has better reviews, Permutation and Combination or Calculate Standard Deviation?
Calculate Standard Deviation is rated higher. Permutation and Combination averages 4.1 out of 5 from 13 ratings, while Calculate Standard Deviation averages 4.5 from 62 ratings.
Do Permutation and Combination or Calculate Standard Deviation have ads?
Calculate Standard Deviation shows ads; Permutation and Combination does not.
Which is updated more often, Permutation and Combination or Calculate Standard Deviation?
Permutation and Combination ships an update every 40 months, and Calculate Standard Deviation every 7 months. Most recently, Permutation and Combination was updated on September 10, 2026 and Calculate Standard Deviation on September 22, 2026.

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