Comparison

CMSV9 vs PrePass

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

Head to head
About

CMSV9

This platform enhances law enforcement operations with real-time GPS tracking, live video monitoring, and secure audio communication. It supports evidentiary preservation and data analysis, driving digitalization and intelligence in enforcement.

Highlights
  • Real-time GPS positioning
  • Live video preview
  • Real-time recording
  • Snapshot capture
  • Cluster intercom
  • Group broadcasting
  • Alarm push notifications
Read full description

CMSV9 - Smart Law Enforcement Dispatch Platform​​ CMSV9 is a platform exclusively developed for enforcement devices, widely utilized in personnel dispatch management and evidentiary preservation of law enforcement records. Centered on real-time dispatch command, audio-visual applications, data centers, and statistical reporting analysis, the platform features comprehensive functionality, secure and reliable data, robust system stability with excellent compatibility, and seamless multi-terminal integration. It comprehensively drives integrated law enforcement toward digitalization, intelligence, and refinement, laying a solid foundation for the future development of smart enforcement devices. Real-time GPS Positioning:​​ Monitor personnel and equipment location dynamics in real-time for evidence-based command and dispatch. ​​Real-time Video Preview:​​ Access live monitoring feeds from connected devices anytime to grasp on-site situations. ​​Real-time Recording Support:​​ Synchronously record critical on-site video footage for subsequent review and analysis. ​​Snapshot Capture:​​ Instantly archive key video frames to secure crucial evidence or information. ​​Cluster Intercom:​​ Achieve clear one-to-one or one-to-many voice communication for instant instruction delivery. ​​Group Broadcasting & Call Recording:​​ Enable group-wide broadcast announcements and call recording to ensure unimpeded command and traceable information. ​​Alarm Push Notifications:​​ Immediate mobile alerts for device anomalies and critical warnings enable rapid response.

About

PrePass

This navigation app allows pre-cleared commercial vehicles to bypass weigh stations using a mobile device or transponder. It offers time and fuel savings, improved efficiency, and enhanced highway safety. Users can select bypass options and receive customizable alerts.

Highlights
  • Weigh station bypass via mobile app
  • Transponder option for enhanced reliability
  • Works at fixed and mobile weigh stations
  • Customizable alerts for parking, safety, traffic, weather
  • Nationwide toll payment processing with transponder
  • Access to customer support
Features
Currently charting
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The PrePass app gives drivers the option to bypass weigh stations using a mobile device. PrePass is the most reliable, widely utilized weigh station bypass system in North America. With PrePass, pre-cleared vehicles can continue at highway speeds without having to stop. PrePass not only saves fleets time, fuel, and money, but it helps create greater efficiencies for shippers and supports improved safety for all highway users. With PrePass, customers select whether to use the PrePass app, the transponder or BOTH. The PrePass app provides coverage to an expanded number of weigh station sites while the transponder provides greater bypass reliability and integration with NORPASS and Oregon Green Light weigh station locations. The transponder also provides the option of adding toll payment services through PrePass Plus. PrePass is an endorsed featured product of the American Trucking Associations ATA) and is also endorsed by the Owner Operator Independent Drivers Association (OOIDA), Truckers Service Association (TSA), National Association of Small Trucking Companies (NASTC) and state trucking associations across the country. - The most bypassing options with a mobile app and a transponder - Works at fixed and mobile weigh stations - Includes customizable alerts for parking, safety, traffic and weather - Transponder can also be used for nationwide toll payment processing - Includes Florida agriculture inspection facilities upon request - Access to PrePass customer support - Last recall feature provides last bypass confirmation For more information log on to the PrePass website at: https://prepass.com/services/weigh-station-bypass-service/ Facebook: https://www.facebook.com/PrePassForum/ Instagram: https://www.instagram.com/prepass/

Screenshots

CMSV94 screens
PrePass4 screens

Verdict

The call

The clearest difference is review sentiment: CMSV9 at 100% against PrePass's 19%. CMSV9 also leads on rating (5.0 vs 3.0) and iOS requirement (10.0 vs 16.4). PrePass's advantage is update cadence (every 3 weeks vs every 2 months) and chart position (#201 vs unranked). On price, ads, in-app purchases and monetization model 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. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

CMSV9 holds the better App Store score, 5.0 against 3.0. That said, the two scores are not equally well evidenced: PrePass has 14 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 100% of CMSV9's written reviews are positive against 19% of PrePass's.

UpkeepUpdate frequency

CMSV9 ships an update every 2 months, PrePass every 3 weeks. The most recent releases landed on October 24, 2026 and October 30, 2026 respectively.

Scorecard6 real differences · 5 level
CMSV9 versus PrePass: the parameters behind the verdict, then further details
ParameterCMSV9PrePass
PriceFreeFree
Rating5.0 (2 ratings) — better3.0 (14 ratings)
Positive reviews100.0% of reviews — better18.8% of reviews
Number of ratings214 — better
Update frequencyEvery 2 monthsEvery 3 weeks — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
Best chart rank—#201 — better
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS10.0 — better16.4
Further details — not scored
Size118 MB30 MB
Age rating4+4+
Developer永福 李PrePass

Customer experience

CMSV9

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews2 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

PrePass

All ratings12 ratings
Positive58.3%
Neutral0.0%
Negative41.7%
Written reviews16 reviews
Positive18.8%
Neutral0.0%
Negative81.3%

In-app purchases

None

CMSV9

No in-app purchases

None

PrePass

No in-app purchases

Questions

Is CMSV9 free?
CMSV9 is free to download, with no in-app purchases.
Is PrePass free?
PrePass is free to download, with no in-app purchases.
Which has better reviews, CMSV9 or PrePass?
CMSV9 is rated higher. CMSV9 averages 5.0 out of 5 from 2 ratings, while PrePass averages 3.0 from 14 ratings.
Do CMSV9 or PrePass have ads?
Neither CMSV9 nor PrePass shows ads.
Which is updated more often, CMSV9 or PrePass?
CMSV9 ships an update every 2 months, and PrePass every 3 weeks. Most recently, CMSV9 was updated on October 24, 2026 and PrePass on October 30, 2026.

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