Comparison

Crash Calc vs SOBR ai

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

SOBR ai

This platform assists law enforcement officers with DUI investigations by guiding them through the Standardized Field Sobriety Test. It provides state-specific legal references, AI-generated arrest narratives, and testimony preparation tools.

Highlights
  • Guided 8-phase SFST workflow
  • State-specific DUI law references
  • AI-generated arrest narratives
  • On-scene AI legal reference assistant
  • Testimony preparation tools
  • Driver's license barcode scanner
Features
Read full description

SOBR ai is the ultimate field intelligence platform for law enforcement officers conducting DUI investigations. From initial vehicle contact through arrest decision, SOBR ai guides you through every phase of the Standardized Field Sobriety Test with precision and confidence. Guided 8-Phase SFST Workflow Step-by-step guidance through Vehicle Contact, Pre-Exit Interview, HGN, Walk & Turn, One Leg Stand, Arrest Decision, ARIDE Assessment, and Post-Arrest — with verbatim test instructions, clue checklists, and built-in timers. State-Specific Law References Instant access to DUI statutes, implied consent laws, and relevant case law for Georgia, Florida, and Alabama — displayed right where you need them during each phase. AI-Generated Arrest Narratives Generate professional, court-ready DUI arrest reports from your collected observations with one tap. Choose between instant template reports or AI-polished narratives. AI Partner Your on-scene legal reference assistant. Ask questions about state DUI law, SFST procedures, or statutes and get immediate, accurate answers. Testimony Preparation Analyze your case strength before court. Get cross-examination preparation, compliance scoring, and identify potential defense challenges. Additional Features •Driver's license barcode scanner for instant suspect info capture •GPS location and live weather auto-capture •ARIDE drug recognition assessment tools •Personal stats dashboard tracking your incident history •SFST study guide for certification review •Night mode for preserving vision during roadside stops •Training mode for practice sessions •Officer profile auto-populates into all reports •Built with NHTSA standards.  Designed for the road. Ready for the courtroom. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Crash Calc4 screens
SOBR ai4 screens

Verdict

The call

The clearest difference is rating: SOBR ai at 5.0 against Crash Calc's 3.7. SOBR ai also leads on monetization model (free vs subscription) and update cadence (every 2 days vs monthly). Crash Calc's advantage is iOS requirement (12.1 vs 15.1). On price, ratings volume, 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 SOBR ai 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

SOBR ai holds the better App Store score, 5.0 against 3.7. Both are backed by a comparable volume of ratings — 3 and 3 respectively.

UpkeepUpdate frequency

Crash Calc ships an update monthly, SOBR ai every 2 days. The most recent releases landed on November 3, 2026 and October 31, 2026 respectively.

Scorecard4 real differences · 6 level
Crash Calc versus SOBR ai: the parameters behind the verdict, then further details
ParameterCrash CalcSOBR ai
PriceFreeFree
Rating3.7 (3 ratings)5.0 (3 ratings) — better
Positive reviews0.0% of reviews—
Number of ratings33
Update frequencyMonthlyEvery 2 days — better
AdsNoNo
In-app purchasesYesYes
MonetizationSubscriptionFree — better
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS12.1 — better15.1
Further details — not scored
Size29 MB49 MB
Age rating4+17+
DeveloperCoastal Crash Consultants, LLCTimothy Mccain

Customer experience

Crash Calc

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

SOBR ai

All ratings2 ratings
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

SOBR ai

Subscriptions2
  • SOBR ai Pro Monthly$3.991 Month
  • SOBR ai Pro Annual$29.951 Year
One-time1
  • Single DUI Report$0.99

Questions

Is Crash Calc free?
Crash Calc is free to download, with in-app purchases available.
Is SOBR ai free?
SOBR ai is free to download, with in-app purchases available.
Which has better reviews, Crash Calc or SOBR ai?
SOBR ai is rated higher. Crash Calc averages 3.7 out of 5 from 3 ratings, while SOBR ai averages 5.0 from 3 ratings.
Do Crash Calc or SOBR ai have ads?
Neither Crash Calc nor SOBR ai shows ads.
Which is updated more often, Crash Calc or SOBR ai?
Crash Calc ships an update monthly, and SOBR ai every 2 days. Most recently, Crash Calc was updated on November 3, 2026 and SOBR ai on October 31, 2026.

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