Comparison

Acceleration Calculator vs CrashMatrix Pro

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

Head to head
About

Acceleration Calculator

Calculate acceleration, speed, or time with this physics utility. Supports numerous units for vehicles and objects, providing results in m/s² and gravity units. Can also calculate deceleration and braking distances.

Highlights
  • Calculate acceleration, initial/final speed, or time
  • Supports metric and imperial units
  • Results in m/s² and gravity units (g)
  • Calculates deceleration and braking distance
  • Input three of four parameters to find the missing one
Features
Read full description

Effortlessly determine acceleration, initial and final speed, or time required to reach a specified speed using our acceleration calculator. The tool supports various metrics, including meters per second, miles per hour, miles per second, kilometers per hour, kilometers per second, yards/feet per second, and knots. The results are provided in meters per second squared and standard gravity units (g). This versatile acceleration calculator accommodates various vehicles and objects, including cars, buses, trains, bikes, motorcycles, planes, ships, spacecraft, projectiles, and more, thanks to its extensive support for different units. To compute the missing variable, you only need to input three out of the four parameters: acceleration, initial speed, final speed, and time (acceleration duration). The results are consistently presented in the squared form of the input unit (e.g., km/h^2), meters per second squared (m/s^2), and standard gravity units (gn or simply g). Additionally, this calculator is equally adept at calculating deceleration. By entering a reduced value for the final speed, it can determine, for instance, the deceleration needed to bring a vehicle to a complete stop within a specified duration or the braking distance for a vehicle decelerating at a given rate.

About

CrashMatrix Pro

Features
Read full description

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.

Screenshots

Acceleration Calculator4 screens
CrashMatrix Pro4 screens

Verdict

The call

The clearest difference is price: Acceleration Calculator at Free against CrashMatrix Pro's $9.99. Acceleration Calculator also leads on iOS requirement (11.0 vs 15.1). On ads, in-app purchases and device support 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

Acceleration Calculator is free to download; CrashMatrix Pro costs $9.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Scorecard2 real differences · 7 level
Acceleration Calculator versus CrashMatrix Pro: the parameters behind the verdict, then further details
ParameterAcceleration CalculatorCrashMatrix Pro
PriceFree — better$9.99
Rating5.0 (3 ratings) — better—
Number of ratings3 — better—
Update frequency—Every 4 days
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS11.0 — better15.1
Further details — not scored
Size31 MB38 MB
Age rating4+4+
DeveloperBhavinkumar SatashiyaBrian Watson

In-app purchases

None

Acceleration Calculator

No in-app purchases

None

CrashMatrix Pro

No in-app purchases

Questions

Is Acceleration Calculator free?
Acceleration Calculator is free to download, with no in-app purchases.
Is CrashMatrix Pro free?
CrashMatrix Pro costs $9.99, with no in-app purchases.
Do Acceleration Calculator or CrashMatrix Pro have ads?
Neither Acceleration Calculator nor CrashMatrix Pro shows ads.

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