iRTCConnect vs CrashMatrix Pro
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- Bluetooth connectivity
- Remote programming
- Timing adjustments
- Clock read/write
- Manual relay control
- Map directions to devices
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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
CrashMatrix Pro
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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
Verdict
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
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.
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.
| Parameter | iRTCConnect | CrashMatrix Pro |
|---|---|---|
| Price | Free — better | $9.99 |
| Rating | 4.7 (3 ratings) — better | — |
| Number of ratings | 3 — better | — |
| Update frequency | Every 6 months | Every 4 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 12.0 — better | 15.1 |
| Further details — not scored | ||
| Size | 3 MB | 38 MB |
| Age rating | 4+ | 4+ |
| Developer | RTC Manufacturing Inc. | Brian Watson |
In-app purchases
iRTCConnect
No in-app purchases
CrashMatrix Pro
No in-app purchases
Questions
Is iRTCConnect free?
Is CrashMatrix Pro free?
Do iRTCConnect or CrashMatrix Pro have ads?
Which is updated more often, iRTCConnect or CrashMatrix Pro?
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