Comparison

Crash Calc vs LEO Pay Tracker

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Crash Calc

This app provides essential formulas for traffic accident reconstruction, accessible on your mobile device. It offers calculations for drag factors, speed, kinetic energy, and more, with both US and Metric units. Save your results directly on your phone, eliminating the need to return to the office.

Highlights
  • Traffic accident reconstruction formulas
  • US (Imperial) and Metric measurements
  • Drag factor calculations
  • Speed and momentum calculations
  • Kinetic energy and force calculations
  • Slope indicator for roadways
  • Save results on phone
Features
Read full description

Crash Calc is a subscription based application that contains a collection of the most commonly used formulas for traffic accident reconstruction. Available in both US (Imperial) and Metric measurements. Easily calculate your results and save them for your files, all done right on your phone. Never have to wait to get back to the office again. With your monthly or yearly subscription you will find Crash Calc is broken down into seven logical categories of formulas. • Drag Factors – Calculate your drag factors by several different ways then adjust for braking, slope and super-elevation. • Speed – Includes speed conversation to velocity, speed formulas and then momentum of both in-line crashes as well as angular crashes. • Time-Distance-Velocity – Explore the relationship between the three variables. • Kinetic Energy – Calculate the energy present during a crash and force required to produce damage. Includes KE formulas, Vector Sum Analysis and Crush formulas. • Center-of-Mass, Radius, Critical Speed and Roll-Over – Grouped together to easily move from one formula to the next. • Airborne – Calculate speed required to travel from takeoff to landing • Miscellaneous section includes a Pedestrian formula, Motorcycle formulas and Swerve to Avoid formula • Slope Indicator – Use this feature to easily find the slope of the roadway in question. Simply place your phone down on the roadway (or takeoff angle) in the direction of travel and instantly read the slope on your phone. Subscription Details: - Crash Calc is a subscription based app that provides all of the most commonly used formulas in crash reconstruction. - It is available for $3.99/Monthly or $39.99/Annually - You can cancel online anytime - there is no cancellation fee. - Payment will be charged to iTunes Account at confirmation of purchase. - You can use the subscription on any device registered with your Apple account. - Subscription automatically renews unless auto-renew is turned off at least 24-hours before the end of the current period. - Account will be charged for renewal within 24-hours prior to the end of the current period, and identify the cost of the renewal. - Cancellation will not go into effect until the end of the monthly or annually billing cycle. - Subscription may be managed by the user and turned off by going to the user's Account Settings after purchase. - Any unused portion of a free trial period, if offered, will be forfeited when the user purchases a subscription. - Privacy Policy: https://crashcalc.com/privacy-policy.html - Terms of Service: https://crashcalc.com/terms-and-conditions.html * This fee reflects USA subscription cost. Fees can vary depending on User's country. We’d love to hear from you. Please visit us at crashcalc.com or drop us a line at support@crashcalc.com

About

LEO Pay Tracker

This app helps law enforcement officers track their pay, overtime, and leave accurately. It provides real-time estimates of paychecks and year-to-date earnings, with features like smart schedule rotations and automatic leave accrual. Advanced options include PDF/CSV exports and pension projections.

Highlights
  • Real-time pay stub estimates
  • Year-to-date earnings tracking
  • Overtime and special pay logging
  • Smart schedule rotations
  • Automatic leave accrual
  • Retirement countdown
  • PDF and CSV exports (Pro)
Features
Read full description

LEO Pay Tracker — Built by a cop, for cops. Track your pay, OT, court time, details, training, and leave in one place. See exactly what your check should be before it hits your account. No accounts required. No data leaves your device. Ever. —————————————————————————— GHOST PAY STUB See your estimated gross and net pay in real time as you log shifts. Know what you're owed before payday — down to your OT multiplier, night differential, and detail pay. YTD EARNINGS TRACKER Track your year-to-date earnings against your personal income goal. Know exactly where you stand at any point in the year. OVERTIME & SPECIAL PAY LOGGING Log OT, court appearances, road jobs, training, callbacks, and off-duty details with the correct pay rate applied automatically. Supports split schedules, custom multipliers, and night differential. SMART SCHEDULE ROTATIONS Built-in support for every common rotation — 4/2, Panama, Pitman, DuPont, weekly, and fully custom. Your calendar knows when you work. HOME SCREEN & LOCK SCREEN WIDGETS Six widget sizes — Small, Medium, and Large for your home screen, plus Circular, Rectangular, and Inline for your lock screen. Your YTD, next payday, and leave balances always visible. AUTO LEAVE ACCRUAL Set your vacation and sick accrual rates once. Balances update automatically every pay period. RETIREMENT COUNTDOWN See exactly how far you are from your 20, 25, or custom retirement milestone. Pro users unlock full pension projections with FAS averaging and OT impact. SMART NOTIFICATIONS Payday reminders, pay period ending alerts, low leave balance warnings, and YTD goal nudges — all scheduled locally on your device. No push servers. No tracking. BIOMETRIC LOCK Protect your pay data with Face ID or Touch ID. iBACKUP & RESTORE Automatic backup to your personal iCloud. Never lose your data when switching phones. Goes to your iCloud, not our servers. —————————————————————————— PRO FEATURES PDF EXPORTS Generate professional pay summaries for mortgage applications, union grievances, and tax preparation. Four report types: Pay Period Summary, Year-to-Date, Annual, and Custom Date Range. CSV EXPORTS Export your raw pay data as spreadsheet-ready CSV files. Five export types including Transaction Log, Monthly Breakdown, OT by Source, and Pay Period History. FULL PENSION PROJECTION ENGINE See your estimated annual and monthly pension at 20-year, 25-year, and your custom retirement target. Configure Final Average Salary averaging period, benefit multiplier, OT inclusion, and pension cap. PRO EDITION THEMES Five exclusive premium themes curated for officers: Founder's Edition, Federal Blue, Sniper, Honor Guard, and Special Ops. Founding Member Lifetime — $14.99 one-time (first 500 officers) Pro Annual — $19.99/year Pro Monthly — $3.99/month —————————————————————————— PRIVACY Your pay data never leaves your device. No accounts. No cloud sync for your earnings data. All figures stay private and local. Purchases are processed securely by Apple. Subscription management handled by RevenueCat. No pay data is ever shared with any third party. Note: Reports and exports are estimates based on your self-entered data. Always verify against official employer pay stubs before using for financial or legal purposes. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Crash Calc4 screens
LEO Pay Tracker4 screens

Verdict

The call

The clearest difference is review sentiment: LEO Pay Tracker at 100% against Crash Calc's 0%. LEO Pay Tracker also leads on rating (4.8 vs 3.7) and monetization model (freemium vs subscription). Crash Calc's advantage is device support (3 vs 1) and iOS requirement (12.1 vs 16.4). On price, ads and in-app purchases there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Crash Calc sells 4 in-app purchases, starting at $3.99 per month and LEO Pay Tracker sells 3 in-app purchases, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

LEO Pay Tracker holds the better App Store score, 4.8 against 3.7. Both are backed by a comparable volume of ratings — 3 and 12 respectively. Written reviews point the same way: 0% of Crash Calc's written reviews are positive against 100% of LEO Pay Tracker's.

UpkeepUpdate frequency

Crash Calc ships an update monthly, LEO Pay Tracker every 3 days. The most recent releases landed on September 17, 2026 and September 9, 2026 respectively.

Scorecard7 real differences · 3 level
Crash Calc versus LEO Pay Tracker: the parameters behind the verdict, then further details
ParameterCrash CalcLEO Pay Tracker
PriceFreeFree
Rating3.7 (3 ratings)4.8 (12 ratings) — better
Positive reviews0.0% of reviews100.0% of reviews — better
Number of ratings312 — better
Update frequencyMonthlyEvery 3 days — better
AdsNoNo
In-app purchasesYesYes
MonetizationSubscriptionFreemium — better
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS12.1 — better16.4
Further details — not scored
Size29 MB96 MB
Age rating4+4+
DeveloperCoastal Crash Consultants, LLCMichael Juliano

Customer experience

Crash Calc

All ratings3 ratings
Positive66.7%
Neutral0.0%
Negative33.3%
Written reviews1 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

LEO Pay Tracker

All ratings12 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews6 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

4 purchases

Crash Calc

Subscriptions4
  • Crash Calc (Monthly)14 Days trial$3.991 Month
  • Crash_Calc_Monthly14 Days trial$3.991 Month
  • Crash Calc (Yearly)14 Days trial$39.991 Year
Show 1 more
  • Crash Calc Yearly14 Days trial$39.991 Year
3 purchases

LEO Pay Tracker

Subscriptions2
  • Pro — Monthly$3.991 Month
  • Pro — Annual7 Days trial$19.991 Year
One-time1
  • Pro — Lifetime Access$14.99

Questions

Is Crash Calc free?
Crash Calc is free to download, with in-app purchases available.
Is LEO Pay Tracker free?
LEO Pay Tracker is free to download, with in-app purchases available.
Which has better reviews, Crash Calc or LEO Pay Tracker?
LEO Pay Tracker is rated higher. Crash Calc averages 3.7 out of 5 from 3 ratings, while LEO Pay Tracker averages 4.8 from 12 ratings.
Do Crash Calc or LEO Pay Tracker have ads?
Neither Crash Calc nor LEO Pay Tracker shows ads.
Which is updated more often, Crash Calc or LEO Pay Tracker?
Crash Calc ships an update monthly, and LEO Pay Tracker every 3 days. Most recently, Crash Calc was updated on September 17, 2026 and LEO Pay Tracker on September 9, 2026.

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