# Dark30 vs OneZero Ballistics Calculator

The clearest difference is update cadence: OneZero Ballistics Calculator at every 3 days against Dark30's every 6 weeks. Dark30's advantage is iOS requirement (12.4 vs 18.0). On price, rating, ratings volume and ads there is nothing between them.

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

On the App Store both sit at effectively the same score — 5.0 for Dark30 against 5.0 for OneZero Ballistics Calculator. Both are backed by a comparable volume of ratings — 2 and 1 respectively.

Dark30 ships an update every 6 weeks, OneZero Ballistics Calculator every 3 days. The most recent releases landed on October 24, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Dark30 | OneZero Ballistics Calculator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (2 ratings)](https://appshunter.io/ios/app/dark30/id6468766392/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/onezero-ballistics-calculator/id6753189322/reviews) |
| Number of ratings | **2** | 1 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 3 days** |
| Monetization | Free | Free |
| Size | 45 MB | 10 MB |
| Requires iOS | **12.4** | 18.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Apple Watch |
| Age rating | 17+ | 4+ |
| Developer | [Sellmark Corporation](https://appshunter.io/developer/1708678948) | [Reid Thompson](https://appshunter.io/developer/1842948669) |

## What reviewers say

### Dark30

[App page](https://appshunter.io/ios/app/dark30/id6468766392)

Control thermal imaging devices remotely from your mobile or tablet. Stream real-time video and manage pan and tilt functions for precise adjustments.

**Highlights:** Mobile/tablet connectivity, Thermal imaging control, Real-time video streaming, Pan tilt rotation control

**Features:** macOS Compatibility

**In-app purchases:** none


### OneZero Ballistics Calculator

[App page](https://appshunter.io/ios/app/onezero-ballistics-calculator/id6753189322)

This app calculates ballistic trajectories for .300 Blackout ammunition, comparing supersonic and subsonic loads with real-time environmental corrections. It provides detailed dope tables, custom load presets, and an interactive trajectory chart for precise shooting.

**Highlights:** Compare supersonic and subsonic loads, Real-time environmental corrections, Interactive trajectory chart, Detailed dope table, Factory ammo library, Custom load presets, Exportable dope card PDF

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support, iPhone Duo support

**In-app purchases:** none


## Frequently asked questions

### Is Dark30 free?

Dark30 is free to download, with no in-app purchases.

### Is OneZero Ballistics Calculator free?

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

### Which has better reviews, Dark30 or OneZero Ballistics Calculator?

Dark30 and OneZero Ballistics Calculator are both rated 5.0 out of 5 on the App Store, from 2 and 1 ratings respectively.

### Do Dark30 or OneZero Ballistics Calculator have ads?

Neither Dark30 nor OneZero Ballistics Calculator shows ads.

### Which is updated more often, Dark30 or OneZero Ballistics Calculator?

Dark30 ships an update every 6 weeks, and OneZero Ballistics Calculator every 3 days. Most recently, Dark30 was updated on October 24, 2026 and OneZero Ballistics Calculator 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.*