# FDA Age Calculator vs Standard Deviation

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.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

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.

## The numbers

| Metric | FDA Age Calculator | Standard Deviation |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.4 (31 ratings)](https://appshunter.io/ios/app/fda-age-calculator/id1128878035/reviews)** | — |
| Number of ratings | **31** | — |
| Positive reviews | 15.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 13 months | **Every 2 months** |
| Monetization | Free | — |
| Size | 30 MB | 21 MB |
| Requires iOS | **11.0** | 13.0 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Food and Drug Administration](https://appshunter.io/developer/944986400) | [Ahmad Sattar](https://appshunter.io/developer/1458483953) |

## What reviewers say

### FDA Age Calculator

[App page](https://appshunter.io/ios/app/fda-age-calculator/id1128878035)

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:** macOS Compatibility

**In-app purchases:** none


### Standard Deviation

[App page](https://appshunter.io/ios/app/standard-deviation-calculator/id6444146244)

**In-app purchases:** none


## Frequently asked 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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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*