# Standard Deviation vs Athlon Ballistics

The clearest difference is rating: Athlon Ballistics at 4.6 against Standard Deviation's 1.0. Athlon Ballistics also leads on ratings volume (45 vs 1) and update cadence (monthly vs every 2 months). Standard Deviation's advantage is device support (4 vs 2) and iOS requirement (13.0 vs 15.6). On price, ads, in-app purchases and monetization model there is nothing between them.

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

Athlon Ballistics holds the better App Store score, 4.6 against 1.0. That said, the two scores are not equally well evidenced: Athlon Ballistics has 45 ratings behind it against 1, so its average is the more settled of the two.

Standard Deviation ships an update every 2 months, Athlon Ballistics monthly. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Standard Deviation | Athlon Ballistics |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.0 (1 ratings)](https://appshunter.io/ios/app/standard-deviation-calculator/id6444146244/reviews) | **[4.6 (45 ratings)](https://appshunter.io/ios/app/athlon-ballistics/id6738238970/reviews)** |
| Number of ratings | 1 | **45** |
| Positive reviews | — | 16.3% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Monthly** |
| Monetization | Free | Free |
| Size | 21 MB | 162 MB |
| Requires iOS | **13.0** | 15.6 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Ahmad Sattar](https://appshunter.io/developer/1458483953) | [Sportsgear Outdoor Products LLC](https://appshunter.io/developer/1702462041) |

## What reviewers say

### Standard Deviation

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

Easily calculate standard deviation with this iOS app. Enter your data values, choose between sample or population calculations, and get step-by-step results instantly. It offers a unique and attractive design for a seamless user experience.

**Highlights:** Calculate sample and population standard deviation, Enter comma-separated data values, View step-by-step solutions, Calculate mean, deviation, and variance, Unique and attractive design, Reset function for new data

**In-app purchases:** none


### Athlon Ballistics

[App page](https://appshunter.io/ios/app/athlon-ballistics/id6738238970)

This app provides advanced ballistic solutions and integrates with thermal devices to upload ballistic data. It allows users to manage rifle and bullet profiles, customize reticles, and create holdovers directly on compatible thermal scopes and clip-ons.

**Highlights:** Advanced ballistic solutions, G1/G7 factory cartridge library, Upload data to thermal scopes, Thermal control interface, Set rifle and bullet profiles, Create BDC holdovers

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 👍 Chronograph hardware works well
- 👍 Some users find the app user-friendly
- 👍 Good customer support mentioned
- 👍 Affordable product compared to competitors

**What reviewers complain about**

- 🐛 Syncing issues are prevalent
- 🐛 App crashes frequently
- 🐛 Account creation problems
- 🐛 Data export is unreliable
- 🐛 Poor user interface/experience

**Reported bugs**

- App will not sync sessions
- Exported data has incorrect/reverted session names and variables
- App will not open on iPhone
- App crashes when using specific reticles
- Cannot enter elevation or DA

**Requested features**

- Add more ammo/bullet profiles (Barnes, etc.)
- Expand projectile data beyond G1 (e.g., G7)
- Allow manual entry of projectile data
- Improve user interface for reloaders
- Add support for air rifles/air guns, bows, crossbows


## Frequently asked questions

### Is Standard Deviation free?

Standard Deviation is free to download, with no in-app purchases.

### Is Athlon Ballistics free?

Athlon Ballistics is free to download, with no in-app purchases.

### Which has better reviews, Standard Deviation or Athlon Ballistics?

Athlon Ballistics is rated higher. Standard Deviation averages 1.0 out of 5 from 1 ratings, while Athlon Ballistics averages 4.6 from 45 ratings.

### Do Standard Deviation or Athlon Ballistics have ads?

Neither Standard Deviation nor Athlon Ballistics shows ads.

### Which is updated more often, Standard Deviation or Athlon Ballistics?

Standard Deviation ships an update every 2 months, and Athlon Ballistics monthly. Most recently, Standard Deviation was updated on November 3, 2026 and Athlon Ballistics on October 30, 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.*