Shield Shift Tracker vs CrashMatrix Pro

STOP LOSING TRACK OF YOUR SCHEDULE Tired of paper calendars? Confusing spreadsheets? Never knowing how much overtime you’ve actually earned? Shield Shift Tracker is the shift calendar built for how first responders actually work—24/48s, 48/96s, Kelly schedules, and everything in between. Stop missing shifts and missing out on overtime pay. SEE YOUR ENTIRE ROTATION AT A GLANCE Monthly and weekly views show your complete schedule in one place. Color-code day shifts, nights, training days, and vacation. Export to your calendar for backup. TRACK EVERY DOLLAR OF OVERTIME Log overtime instantly—voluntary or involuntary. See exactly how much you’ve earned this month, this quarter, this year. Detailed reports show trends so you know when you’re hitting those OT bonuses. NEVER FORGET A SHIFT TRADE Record who owes you shifts and when you’re paying trades back. Stop losing sticky notes and missed trade agreements. Everything’s in one place. PREMIUM ($4.99 one-time): Cloud backup, calendar sync, detailed reports, and unlimited shifts. No subscription. One purchase. Works forever. Join 500+ firefighters, police officers, and paramedics who trust Shield Shift Tracker. Download now.

CrashMatrix Pro puts the power of advanced collision analysis in your pocket. Built by a veteran law enforcement professional with 35+ years of experience, this app delivers 37+ industry-standard calculators used in traffic crash reconstruction. SPEED ANALYSIS Speed from Skid Marks Slide to Stop Combined Speed Critical Speed Yaw Vault / Flip Speed from Fall Multi-Surface Speed INTERMEDIATE TOOLS Time & Distance Perception-Reaction Distance Stopping Distance Acceleration / Deceleration Grade Adjustment Drag Factor Kinetic Energy ADVANCED ANALYSIS Momentum (Inline & 360 Vector) Delta-V Crush Energy Coefficient of Restitution Law of Cosines Closing Speed RECONSTRUCTION SPECIALTIES Motorcycle Slide Rider Vault Wheelbase Reduction Truck/Trailer Momentum Trailer Braking Rollover Speed Pedestrian Speed Bicycle Speed And more ADDITIONAL FEATURES Complete Formula Reference Cards with worked examples Unit Converter (Feet/Inches, MPH/FPS) Imperial and Metric toggle on every calculator Step-by-step completed formulas shown with every calculation Common drag factor and braking efficiency reference tables Works 100% offline — no internet required Designed for law enforcement officers, accident reconstructionist, insurance investigators, and forensic engineers who need accurate, reliable calculations in the field. One-time purchase. No subscriptions. No ads. No data collection.