Comparison

Crash Calc vs NJ Crash

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

NJ Crash

This app offers a streamlined way for New Jersey law enforcement to capture crash data at the scene, replacing paper reports. It also provides public access to crash statistics through interactive dashboards.

Highlights
  • Real-time crash data capture
  • Electronic report submission
  • Public crash data dashboards
  • Secure law enforcement access
  • Replaces paper reports
Features
Read full description

NJCrash mobile application provides a revolutionary new approach for viewing, creating, and submitting New Jersey crash reporting data. Crash data and statistics are available to the public via easy to use query able dashboards and statewide crash data links. New Jersey law enforcement agencies also have secure access to use the app for the quick capture of data at the crash scene. No more cumbersome and time consuming completion of paper crash reports. Complimenting the New Jersey Crash Records client, this application allows agencies to quickly capture the critical data you need and port it over electronically and allow you to complete the full form later. This will allow agencies to clear the scene of the crash and safely get back on the road.

Screenshots

Crash Calc4 screens
NJ Crash4 screens

Verdict

The call

The clearest difference is rating: Crash Calc at 3.7 against NJ Crash's 1.4. Crash Calc also leads on update cadence (monthly vs every 3 months) and iOS requirement (12.1 vs 15.1). NJ Crash's advantage is in-app purchases (none vs 4). On price, review sentiment, ratings volume and ads 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. NJ Crash asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Crash Calc holds the better App Store score, 3.7 against 1.4. Both are backed by a comparable volume of ratings — 3 and 7 respectively. Written reviews split almost evenly too, at 0% and 0% positive.

UpkeepUpdate frequency

Crash Calc ships an update monthly, NJ Crash every 3 months. Both last shipped on November 3, 2026.

Scorecard5 real differences · 5 level
Crash Calc versus NJ Crash: the parameters behind the verdict, then further details
ParameterCrash CalcNJ Crash
PriceFreeFree
Rating3.7 (3 ratings) — better1.4 (7 ratings)
Positive reviews0.0% of reviews0.0% of reviews
Number of ratings37 — better
Update frequencyMonthly — betterEvery 3 months
AdsNoNo
In-app purchasesYesNo — better
MonetizationSubscriptionFree — better
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS12.1 — better15.1
Further details — not scored
Size29 MB30 MB
Age rating4+4+
DeveloperCoastal Crash Consultants, LLCLexisNexis Risk Solutions FL Inc.

Customer experience

Crash Calc

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

NJ Crash

All ratings7 ratings
Positive14.3%
Neutral0.0%
Negative85.7%
Written reviews4 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

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
None

NJ Crash

No in-app purchases

Questions

Is Crash Calc free?
Crash Calc is free to download, with in-app purchases available.
Is NJ Crash free?
NJ Crash is free to download, with no in-app purchases.
Which has better reviews, Crash Calc or NJ Crash?
Crash Calc is rated higher. Crash Calc averages 3.7 out of 5 from 3 ratings, while NJ Crash averages 1.4 from 7 ratings.
Do Crash Calc or NJ Crash have ads?
Neither Crash Calc nor NJ Crash shows ads.
Which is updated more often, Crash Calc or NJ Crash?
Crash Calc ships an update monthly, and NJ Crash every 3 months. Most recently, Crash Calc was updated on November 3, 2026 and NJ Crash on November 3, 2026.

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