Looking for a Strelok Pro alternative?

What to actually look for

It has to work with no signal. Most of the good shooting is out of range of a tower. An app that phones home for a solution, or wants an account before it will open, is no use at the far end of a paddock. Check it in flight mode before you rely on it.

It has to draw your reticle. A number in MRAD is half the job if you hold rather than dial. Being shown the hold on the reticle you are actually looking through — right subtensions, right focal plane behaviour — is what made Strelok worth paying for.

It has to speak your turrets. If your scope is 0.1 MRAD a click, you want clicks, not a decimal to convert in the wind.

It has to tell you where its data came from. Ballistic coefficients and reticle subtensions get copied between apps and forum posts until nobody knows the source. An app that shows you which figures have been checked, and which have not, is worth more than one that quietly presents everything as fact.

What Harson Ballistics does

Set the rifle, scope and load up once, and every solution after that runs on the phone. Drop and windage for any range in MRAD, MOA, clicks, centimetres and inches at the same time. Your holdover drawn on your own reticle, scaled to magnification. A range card you can print for the scope cap. Truing from what you actually saw on target.

Under it: point-mass trajectory with G1 and G7 drag, velocity-banded ballistic coefficients where the maker publishes them, air density from real temperature, pressure and humidity, Miller stability from your twist rate, and spin drift, Coriolis and transonic warnings when they matter. Every result is cross-checked against an independent reference solver before release.

Reticles are drawn as vector geometry from the manufacturers’ own specification sheets — not photographs, not traced screenshots. The ones a person has checked mark by mark are labelled Verified in the app, and you can look at every one of them here before you install anything.

What it doesn’t do yet

Being straight about this saves everyone time. There is no unit-converter and mil-ranging toolbox. There is no Bluetooth rangefinder link. There is no animal silhouette scaled to distance in the reticle view. Powder temperature is not modelled automatically — the in-app Learn guide explains how it moves your velocity, but you true for it yourself.

If one of those is the reason you opened this page, this is not your app yet. Tell us which one and it goes on the list: info@harsongroup.com.au.

What it costs

Free, forever, for the solver, the reticle view with generic Mil-Dot and MOA reticles, the full bullet and factory-load library plus your own custom bullets, two rifle profiles, truing, and backup of your own data to a file. Offline. No account. No ads.

Harson Pro adds the manufacturer reticle library — ZeroTech, Nightforce, Leupold, Vortex, Athlon, Burris, Bushnell, Primary Arms — unlimited rifle profiles, the Flight Path Lab’s what-if controls, and new verified reticles and bullets pushed to your phone as they are checked.

A$29.99 a year with a 14-day free trial, or once for life. No monthly plan. And if Pro ever lapses, your solutions keep working in full; only the manufacturer reticle drawing waits.