Comparison

Hornady Reloading Guide 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

Hornady Reloading Guide

Access comprehensive reloading data for hundreds of cartridges and bullets, based on extensive testing. Purchase individual data sets, the entire current edition, or subscribe for continuous updates and full access to all data on your mobile device.

Highlights
  • Reloading data for 200+ cartridges
  • Data for 300+ bullets
  • Safe data based on controlled testing
  • Purchase individual cartridge data
  • Purchase full handbook edition
  • Subscription for all data and updates
Features
Read full description

Derived from extensive testing by Hornady Manufacturing Company, this app includes reloading data for over 200 cartridges and 300 bullets. Under carefully controlled conditions using the components and test equipment specified, we report only data that proved safe in our research. Users have the ability to purchase data for individual cartridges, purchase the whole current edition of the handbook, or subscribe and receive the entire handbook plus more. Subscription provides access to all handbook data on your mobile device and real updates for all new data without waiting for the new handbook publication to be produced.

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

Hornady Reloading Guide3 screens
Standard Deviation4 screens

Verdict

The call

The clearest difference is in-app purchases: Standard Deviation at none against Hornady Reloading Guide's 3. Standard Deviation also leads on iOS requirement (13.0 vs 15.0). On price, update cadence, ads 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. Hornady Reloading Guide sells 3 in-app purchases, starting at $19.99 per year. Standard Deviation asks for nothing beyond the download.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on October 19, 2026 and September 30, 2026 respectively.

Scorecard2 real differences · 8 level
Hornady Reloading Guide versus Standard Deviation: the parameters behind the verdict, then further details
ParameterHornady Reloading GuideStandard Deviation
PriceFreeFree
Rating4.6 (17K ratings) — better—
Positive reviews31.7% of reviews—
Number of ratings17K — better—
Update frequencyEvery 2 monthsEvery 2 months
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod, Mac — better
Requires iOS15.013.0 — better
Further details — not scored
Size71 MB21 MB
Age rating17+4+
DeveloperHornadyAhmad Sattar

Bugs and requests

Hornady Reloading Guide

Reported bugs

4 issues
  • Purchased data disappearing or inaccessible
  • Unable to log in or access account
  • Blank screens and unknown errors
  • Compatibility issues with newer iOS versions

Requested features

4 requests
  • Offline access to data
  • Improved range log with more details
  • Seamless integration with in-app purchases
  • Support for more powder and bullet options

Standard Deviation

Not enough reviews yet to summarise bugs or requests.

In-app purchases

3 purchases

Hornady Reloading Guide

Subscriptions1
  • Reloading Guide Subscription$19.991 Year
One-time2
  • Hornady Point$0.99
  • 20 Hornady Points$19.99
None

Standard Deviation

No in-app purchases

Questions

Is Hornady Reloading Guide free?
Hornady Reloading Guide is free to download, with in-app purchases available.
Is Standard Deviation free?
Standard Deviation is free to download, with no in-app purchases.
Do Hornady Reloading Guide or Standard Deviation have ads?
Neither Hornady Reloading Guide nor Standard Deviation shows ads.
Which is updated more often, Hornady Reloading Guide or Standard Deviation?
Hornady Reloading Guide ships an update every 2 months, and Standard Deviation every 2 months. Most recently, Hornady Reloading Guide was updated on October 19, 2026 and Standard Deviation on September 30, 2026.

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