Comparison

Calculate Standard Deviation vs Statistics Calculator Plus

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

Statistics Calculator Plus

Instantly analyze data with this powerful calculator. It computes statistics, visualizes data with interactive histograms, and provides step-by-step explanations for every result. Ideal for students and educators working with numbers.

Highlights
  • Instant statistical calculations
  • Interactive histogram visualization
  • Step-by-step calculation breakdowns
  • Flexible data input methods
  • Random data generator
  • Built-in statistical reference
Features
Currently charting
Read full description

Statistics Calculator — the fastest way to analyze your data on iPhone and iPad. Whether you're a student tackling homework, a teacher preparing examples, or anyone working with numbers, Statistics Calculator gives you instant, accurate results — just paste your data and everything computes in real time. WHAT IT CALCULATES Enter any set of numbers and instantly see: • Count, Sum, Minimum, Maximum • Mean, Median, Mode • Variance and Standard Deviation • Q1, Q2, Q3 and Interquartile Range (IQR) LEARN HOW IT WORKS — STEP BY STEP Tap any result to see the full calculation broken down into simple, easy-to-follow steps. Perfect for students who want to understand the math, not just get the answer. VISUALIZE YOUR DATA An interactive histogram chart shows the shape of your distribution at a glance. Adjust the number of bins (5 to 30) and watch the chart update instantly. A built-in frequency table lists every unique value and how often it appears. FLEXIBLE DATA INPUT Paste data from spreadsheets, type numbers manually, or use any separator you like — spaces, commas, tabs, or line breaks all work. The app silently ignores invalid entries so you never have to clean your data first. RANDOM DATA GENERATOR Need a test dataset fast? Generate up to 10,000 random values in seconds. Control the range, choose integers or decimals, and set the precision — great for classroom demos and practice problems. BUILT FOR STUDENTS AND EDUCATORS • Results update live as you type • Adjustable decimal precision from 2 to 16 places • Clean, distraction-free interface designed for focus • Handles datasets up to 10,000 numbers with ease REFERENCE BUILT IN Not sure what IQR means or how variance is defined? The built-in Reference page explains every statistic and formula in plain language — no internet connection needed. Statistics Calculator is ideal for high school and university students, teachers, data analysts, researchers, and anyone who works with numbers regularly. Thanks for your support! Visit nitrio.com for more great apps for your iOS devices.

Screenshots

Calculate Standard Deviation4 screens
Statistics Calculator Plus4 screens

Verdict

The call

The clearest difference is review sentiment: Calculate Standard Deviation at 50% against Statistics Calculator Plus's 0%. Calculate Standard Deviation also leads on price (Free vs $2.99) and update cadence (every 7 months vs every 23 months). Statistics Calculator Plus's advantage is in-app purchases (none vs 1) and ads (none vs shown). On device support and iOS requirement 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

Calculate Standard Deviation is free to download; Statistics Calculator Plus costs $2.99 up front. Calculate Standard Deviation sells 1 one-off in-app purchase. Statistics Calculator Plus asks for nothing beyond the download.

UpkeepUpdate frequency

Calculate Standard Deviation ships an update every 7 months, Statistics Calculator Plus every 23 months. The most recent releases landed on October 20, 2026 and October 27, 2026 respectively.

Scorecard7 real differences · 4 level
Calculate Standard Deviation versus Statistics Calculator Plus: the parameters behind the verdict, then further details
ParameterCalculate Standard DeviationStatistics Calculator Plus
PriceFree — better$2.99
Rating4.5 (62 ratings) — better—
Positive reviews50.0% of reviews — better0.0% of reviews
Number of ratings62 — better—
Update frequencyEvery 7 months — betterEvery 23 months
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationFree with in-app purchases — betterPaid
Best chart rank—#149 — better
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.0 — better16.6
Further details — not scored
Size39 MB1 MB
Age rating4+4+
DeveloperAsad AhsanHeng Jia Liang

Customer experience

Calculate Standard Deviation

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

Statistics Calculator Plus

Written reviews2 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

In-app purchases

1 purchases

Calculate Standard Deviation

One-time1
  • Standard Deviation Premium$4.99
None

Statistics Calculator Plus

No in-app purchases

Questions

Is Calculate Standard Deviation free?
Calculate Standard Deviation is free to download, with in-app purchases available.
Is Statistics Calculator Plus free?
Statistics Calculator Plus costs $2.99, with no in-app purchases.
Do Calculate Standard Deviation or Statistics Calculator Plus have ads?
Calculate Standard Deviation shows ads; Statistics Calculator Plus does not.
Which is updated more often, Calculate Standard Deviation or Statistics Calculator Plus?
Calculate Standard Deviation ships an update every 7 months, and Statistics Calculator Plus every 23 months. Most recently, Calculate Standard Deviation was updated on October 20, 2026 and Statistics Calculator Plus on October 27, 2026.

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