Comparison

iRTCConnect 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

iRTCConnect

This app connects to school zone flasher systems via Bluetooth, allowing remote programming, timing adjustments, and relay control. It also displays directions to timeswitch locations on a map.

Highlights
  • Bluetooth connectivity
  • Remote programming
  • Timing adjustments
  • Clock read/write
  • Manual relay control
  • Map directions to devices
Features
Read full description

This APP is intended to be used with RTC Manufacturing school zone flasher systems. The APP will allow you to: > Connect to field devices directly through Bluetooth adapter placed on the timeswitch. This allows you to program the device from up to 40 feet away. > Change timing for storms or special events. > Read and write the clocks in the field. > Examine programming. > Manual control a relay on or off. > Show directions from users current position on map to any timeswitch location. You can use your agencyname / username and password in order to use this APP. Please email appsupport@rtc-traffic.com for any information or help. Thank you RTC Manufacturing 817 860 1217

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

iRTCConnect4 screens
CrashMatrix Pro4 screens

Verdict

The call

The clearest difference is price: iRTCConnect at Free against CrashMatrix Pro's $9.99. iRTCConnect also leads on iOS requirement (12.0 vs 15.1). CrashMatrix Pro's advantage is update cadence (every 4 days vs every 6 months). 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

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

UpkeepUpdate frequency

iRTCConnect ships an update every 6 months, CrashMatrix Pro every 4 days. The most recent releases landed on June 20, 2026 and September 13, 2026 respectively.

Scorecard3 real differences · 6 level
iRTCConnect versus CrashMatrix Pro: the parameters behind the verdict, then further details
ParameteriRTCConnectCrashMatrix Pro
PriceFree — better$9.99
Rating4.7 (3 ratings) — better—
Number of ratings3 — better—
Update frequencyEvery 6 monthsEvery 4 days — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS12.0 — better15.1
Further details — not scored
Size3 MB38 MB
Age rating4+4+
DeveloperRTC Manufacturing Inc.Brian Watson

In-app purchases

None

iRTCConnect

No in-app purchases

None

CrashMatrix Pro

No in-app purchases

Questions

Is iRTCConnect free?
iRTCConnect is free to download, with no in-app purchases.
Is CrashMatrix Pro free?
CrashMatrix Pro costs $9.99, with no in-app purchases.
Do iRTCConnect or CrashMatrix Pro have ads?
Neither iRTCConnect nor CrashMatrix Pro shows ads.
Which is updated more often, iRTCConnect or CrashMatrix Pro?
iRTCConnect ships an update every 6 months, and CrashMatrix Pro every 4 days. Most recently, iRTCConnect was updated on June 20, 2026 and CrashMatrix Pro on September 13, 2026.

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