Now on iOS & Android · Desktop coming soon
A professional ballistic calculator with an AI Range Assistant — the only one that lets you set up holdovers in plain language.
Range AI
Say it like you would at the bench: "6.5 Creedmoor at 800 yards, 10 mph wind from 3 o'clock." Range AI sets up the shot, recommends a load, explains the correction, and troubleshoots accuracy issues in plain English.
Solver
A precision ballistic solver with environmental corrections — temperature, pressure, altitude, wind, azimuth — plus an immersive 4DOF HUD that shows reticle holdover exactly as you'll see it through glass.
Ballistic table
Range-by-range truth. Velocity, time of flight, energy, drop, and wind drift for the full trajectory of your load. Highlighted zero line, highlighted target distance, and a full breakdown of inputs at the top.
Reticles
A curated library of 30+ reticles — Mil-Dot, APMR, Horus H591, E1 Varmint and more — in both MOA and Mils, FFP and SFP. Pair your rifle, pick your glass, and shoot the correction you actually use.
The same canonical solver runs across the whole lineup — your rifles, loads, and a single Pro subscription follow you from phone to bench.
Data sources
Factory load specs sourced from SAAMI and CIP. Drag models and bullet data from open ballistic datasets. Sensor corrections pulled live from your device's barometer and GPS — not guessed.
Strelok Pro exists to put a trustworthy firing solution in every shooter's hands — not a guess dressed up as a number. Every hold the app gives you comes from a rigorously tested ballistic engine, real factory data, and the actual atmosphere in front of you.
We sweat the math so you can read the wind, trust the dial, and make the shot — at the range, in the field, on whatever device is in your hand.
Strelok Pro is available now on iPhone, iPad, and Android. Native macOS and Windows desktop apps are coming soon. See all platforms →
The ballistic solver and saved profiles work fully offline. Range AI needs connectivity since it runs on the cloud — fair rate limits apply.
G1 and G7 drag models. MOA and Mil. Imperial and metric. Elevation corrections via barometer, latitude via GPS for Coriolis.
Delta Metrics — a software team building precision tools. We support Strelok Pro directly; reach us any time through the contact page.
New reticles, catalog expansions, ballistics guides, and first word when the macOS and Windows apps drop. No spam — just what helps you shoot better.
We'll only email you about Strelok Pro. Unsubscribe anytime.
Strelok Pro is on iOS. Tap, talk, and dial the correct hold — every time.
Desktop · coming soon
