DASPI vs BalTrak

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BalTrak -- Ballistic Tracker Professional ballistic calculator for shooters and hunters. WHAT IT DOES • Precise external ballistics — G1 (McCoy) and G7 (Litz) drag models • Euler integration with 0.2 ms step, up to 2000 m range • Air density correction (temperature, pressure, humidity) • Coriolis and Eötvös (vertical azimuth-dependent component) • Spin drift (Litz empirical formula) • Shooting incline (-90° to +90°) with cosine-corrected drop • Trueing — automatic BC correction from field measurements • Chrono log — log measured v₀ readings (Garmin Xero, LabRadar, MagnetoSpeed, ProChrono); the app computes average, sample SD (n−1, Bessel) and ES live; a single switch overrides the factory v₀ with your measured average BULLET LIBRARY • 617 built-in bullets across 60 calibers (Lapua, Hornady, Sierra, Berger, Nosler, Federal, Winchester, CCI, Eley, RWS) • Custom bullets supported (add/edit/delete, JSON import-export) SHOOTING PROFILES • 16 preset setups (rifle + optic + bullet) for main calibers: .22 LR, .223 Rem, 6mm/6.5 Creedmoor, .260 Rem, .308 Win, .30-06, 7mm Rem Mag, .300 Win Mag, .338 Lapua, 9mm, .45 ACP • Create custom profiles: rifle, optic, sight height, zero range, click unit (MIL/MOA), click value, twist, SG, BC correction • Profile = complete calculation state: selecting a profile loads every parameter (incl. caliber filter) and auto-enables spin drift if SG > 0 • Smart sync detection: if you manually change any parameter that belongs to the active profile, the profile is automatically unselected — no ambiguity about "is this still my profile?" AIR RIFLE MODE • Dedicated airgun mode — diabolo pellets in .177 / .22 / .25 / .30 • Muzzle energy in ft-lb and joules with a configurable legal-limit warning (turns red when exceeded) • Near/far zero and point-blank range for low-velocity trajectories • Preset air rifle profiles included RESULT DISPLAY • Segmented view — one tap switches between Turret, Chart and Table • Turret dial — round scope turret with a dot for each distance at its actual click angle; pinch to zoom on phone • Dope card — distance list with exact up/down click counts • Trajectory curve (fl_chart) • Detailed table: velocity, energy, time of flight, drop, POI, MOA, MIL, clicks, wind, velocity retention % EXPORT & INTEROPERABILITY • PDF — branded A4 sheet with trajectory table for print or phone • CSV bullet profile — one row with rifle, optic, zero, BC G1/G7, V0, twist, click unit/value and atmospheric reference (SI and imperial side-by-side, so mapping in other apps works without unit conversion) • CSV dope card — range table: distance, velocity, energy, drop, MOA, MIL, clicks, wind — one row per computed distance • JSON — import/export your custom bullets (share with others) Compatibility (honest): • Strelok Pro, Shooter, iBallistics, Hornady 4DOF — direct CSV import. • Kestrel / Garmin Tactix / Applied Ballistics — only via Applied Ballistics Analytics (Import CSV, then Bluetooth sync), not direct. • Garmin Xero C1 Pro is a chronograph, not a solver — no profile import. TECHNICAL • Five languages: Slovenian, English, German, Italian, Czech • Live recalc — graph/table/turret update on every parameter change • Works fully offline • Data stays on device (local SQLite database in the app's private sandbox) • Built-in manual in all five languages: full theory, bullet library, profile reference, chrono log and trueing — also offline • Universal binary: iPhone and iPad with a single purchase; no subscriptions DISCLAIMER Calculations are mathematical simulations. Real-world results always require field verification. The user is responsible for safe and lawful handling of firearms and compliance with local regulations. --- Developer: Zero Tests Website: https://zerotests.dev Contact: info@zerotests.dev // zero tests. zero regrets.