# CMSV9 vs PrePass

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 ratings volume (14 vs 2). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

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.

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

## The numbers

| Metric | CMSV9 | PrePass |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/cmsv9/id1450360250/reviews)** | [3.0 (14 ratings)](https://appshunter.io/ios/app/prepass/id1640132445/reviews) |
| Number of ratings | 2 | **14** |
| Positive reviews | **100.0% of reviews** | 18.8% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Monetization | Free | Free |
| Size | 118 MB | 30 MB |
| Requires iOS | **10.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [永福 李](https://appshunter.io/developer/595580242) | [PrePass](https://appshunter.io/developer/1315781716) |

## What reviewers say

### CMSV9

[App page](https://appshunter.io/ios/app/cmsv9/id1450360250)

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

**In-app purchases:** none


### PrePass

[App page](https://appshunter.io/ios/app/prepass/id1640132445)

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:** Vision Pro support

**In-app purchases:** none


## Frequently asked 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 November 3, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*