Hornady Reloading Guide vs Standard Deviation
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- 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
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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.
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. • 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
Verdict
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
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.
Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on October 19, 2026 and September 30, 2026 respectively.
| Parameter | Hornady Reloading Guide | Standard Deviation |
|---|---|---|
| Price | Free | Free |
| Rating | 4.6 (17K ratings) — better | — |
| Positive reviews | 31.7% of reviews | — |
| Number of ratings | 17K — better | — |
| Update frequency | Every 2 months | Every 2 months |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod, Mac — better |
| Requires iOS | 15.0 | 13.0 — better |
| Further details — not scored | ||
| Size | 71 MB | 21 MB |
| Age rating | 17+ | 4+ |
| Developer | Hornady | Ahmad 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
Hornady Reloading Guide
- Reloading Guide Subscription$19.991 Year
- Hornady Point$0.99
- 20 Hornady Points$19.99
Standard Deviation
No in-app purchases
Questions
Is Hornady Reloading Guide free?
Is Standard Deviation free?
Do Hornady Reloading Guide or Standard Deviation have ads?
Which is updated more often, Hornady Reloading Guide or Standard Deviation?
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