External ballistics · iOS & Android

The full external ballistic solver — on iPhone and Android.

Strelok Pro puts the canonical exterior engine in your pocket — trajectory, drift and stability to the mil, sensor-aware and offline-ready on both iOS and Android.

Get started Contact sales

Physics that holds up

A point-mass RK4 solver with spin drift, Coriolis and aerodynamic jump — plus live temperature, pressure and density altitude pulled from your device.

3,000+ reticle library

Browse FFP and SFP reticles in MIL and MOA, with holdovers rendered live onto the reticle for the exact load and distance.

Range AI, built in

Describe the shot in plain language and let the assistant fill the solver and read your holds back to you.

See Strelok Pro in action.

Real screens, straight from the app.

What you get with Strelok Pro.

G1 / G7 drag models with RK4 integration
Live atmosphere from barometer & GPS
3,000+ reticle library with holdovers
Range AI natural-language setup

Platforms

iOS & Android

Engine

Rust core

Drag models

G1 / G7 + custom Cd

Offline

Full catalog bundled

The other app.

Strelok QuickLoad

Internal ballistics · iOS & Android

Predict muzzle velocity and peak chamber pressure from your components, calibrate the engine to your rifle, and find your accuracy node — on iPhone and Android.

Learn more

Strelok for Desktop

The workstation · macOS & Windows

The full Strelok ballistics workstation on the big screen — the same canonical engine, built for planning, comparison and analysis at the bench.

Learn more

Ready to dial in?

Download Strelok on any platform and start solving in under a minute — or talk to us about building on the engine.

Get started Contact sales

See what you’ll pay

Simple per-platform pricing with a lifetime option and no hidden fees.

Pricing details

Start building

Call the ballistics API or embed the Rust/WASM core in your own product.

Integration options