Comparison

FDA Age 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

FDA Age Calculator

This utility helps retailers quickly determine if a customer meets the federal minimum age of 21 to purchase tobacco products. It can scan a driver's license or allow manual entry of a birthdate for age calculation. The app does not verify ID authenticity and does not store or transmit user data.

Highlights
  • Scan driver's license for age verification
  • Manual birthdate entry for quick calculation
  • Determines if purchaser is 21+ for tobacco sales
  • No data transmission or storage
  • Assists retailers with federal compliance
Features
Read full description

With the “FDA Age Calculator,” retailers can use their personal smartphones to help determine if the purchaser is old enough under federal law to buy tobacco products. Using the camera feature on a smartphone, the app is able to scan the driver’s license of the purchaser to determine if the customer is at least 21 years of age (the federal minimum age to buy a tobacco product). The birthdate listed on the photo id can also be manually entered into the app by the retailer for a quick age calculation. This application is only intended to assist retailers in calculating the age of the purchaser. This application does not check or verify whether an ID is real or authentic. Retailers are responsible for ensuring that they do not sell tobacco products to individuals under 21 years of age. This application does not transmit or share this information or save the information on the user’s device or a third party or government server.

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

FDA Age Calculator4 screens
Standard Deviation4 screens

Verdict

The call

The clearest difference is update cadence: Standard Deviation at every 2 months against FDA Age Calculator's every 13 months. FDA Age Calculator's advantage is iOS requirement (11.0 vs 13.0). On price, ads, in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

FDA Age Calculator ships an update every 13 months, Standard Deviation every 2 months. The most recent releases landed on September 5, 2026 and September 12, 2026 respectively.

Scorecard2 real differences · 8 level
FDA Age Calculator versus Standard Deviation: the parameters behind the verdict, then further details
ParameterFDA Age CalculatorStandard Deviation
PriceFreeFree
Rating2.4 (31 ratings) — better—
Positive reviews15.0% of reviews—
Number of ratings31 — better—
Update frequencyEvery 13 monthsEvery 2 months — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod, Mac — better
Requires iOS11.0 — better13.0
Further details — not scored
Size30 MB21 MB
Age rating4+4+
DeveloperFood and Drug AdministrationAhmad Sattar

In-app purchases

None

FDA Age Calculator

No in-app purchases

None

Standard Deviation

No in-app purchases

Questions

Is FDA Age Calculator free?
FDA Age Calculator is free to download, with no in-app purchases.
Is Standard Deviation free?
Standard Deviation is free to download, with no in-app purchases.
Do FDA Age Calculator or Standard Deviation have ads?
Neither FDA Age Calculator nor Standard Deviation shows ads.
Which is updated more often, FDA Age Calculator or Standard Deviation?
FDA Age Calculator ships an update every 13 months, and Standard Deviation every 2 months. Most recently, FDA Age Calculator was updated on September 5, 2026 and Standard Deviation on September 12, 2026.

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