Standard Deviation vs Confidence Interval Calc
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
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. β’ First of all, enter the comma-separated values into the input box. β’ Select the type of the standard deviation i.e. sample or population. β’ Press the calculate button. β’ The step-by-step result will show just after pressing the calculate button β’ Hit the reset button to enter new data.
Confidence Interval Calc
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Confidence Interval Calculator is a handy app for students, researchers, and professionals needing quick, accurate statistical analysis. Easily calculate confidence intervals for means, proportions, and more using built-in formulas. Whether you're working with raw data or summary statistics, the app delivers instant results with clear explanations. Perfect for academic work, reports, or data-driven decisionsβboost your confidence in every conclusion with this reliable, easy-to-use statistical tool. With our Confidence Interval Calculator app you can do the following: - Calculate confidence intervals for means, proportions, and other statistical analyses - Access confidence interval formulas for quick reference or manual calculation - Read our helpful articles and guides related to confidence intervals
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Verdict
The clearest difference is update cadence: Confidence Interval Calc at every 6 days against Standard Deviation's every 2 months. On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Standard Deviation ships an update every 2 months, Confidence Interval Calc every 6 days. The most recent releases landed on September 12, 2026 and September 9, 2026 respectively.
| Parameter | Standard Deviation | Confidence Interval Calc |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 2 months | Every 6 days β better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod, Mac β better | iPhone, iPad, iPod |
| Requires iOS | 13.0 | 13.0 |
| Further details β not scored | ||
| Size | 21 MB | 30 MB |
| Age rating | 4+ | 17+ |
| Developer | Ahmad Sattar | Arsosa Network Inc. |
In-app purchases
Standard Deviation
No in-app purchases
Confidence Interval Calc
No in-app purchases
Questions
Is Standard Deviation free?
Is Confidence Interval Calc free?
Do Standard Deviation or Confidence Interval Calc have ads?
Which is updated more often, Standard Deviation or Confidence Interval Calc?
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