# BLAZER WMS vs GWSCAN

The clearest difference is rating: GWSCAN at 4.3 against BLAZER WMS's 2.8. GWSCAN also leads on ratings volume (83 vs 5). BLAZER WMS's advantage is monetization model (free vs paid) and review sentiment (100% vs 68%). On price, ads, in-app purchases and device support there is nothing between them.

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

GWSCAN holds the better App Store score, 4.3 against 2.8. That said, the two scores are not equally well evidenced: GWSCAN has 83 ratings behind it against 5, so its average is the more settled of the two. Written reviews complicate that: 100% of BLAZER WMS's written reviews are positive against 68% of GWSCAN's, so the app with the better star average is not the one people write more warmly about.

BLAZER WMS ships an update every 2 weeks, GWSCAN every 2 months. The most recent releases landed on October 4, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | BLAZER WMS | GWSCAN |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.8 (5 ratings)](https://appshunter.io/ios/app/blazer-wms/id1278800939/reviews) | **[4.3 (83 ratings)](https://appshunter.io/ios/app/gwscan/id6484502290/reviews)** |
| Number of ratings | 5 | **83** |
| Positive reviews | **100.0% of reviews** | 67.5% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 2 months |
| Monetization | **Free** | Paid |
| Size | 5 MB | 492 MB |
| Requires iOS | **9.0** | 12.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 12+ |
| Developer | [Hopkins Manufacturing Corporation](https://appshunter.io/developer/1503581619) | [Apex Tool Group](https://appshunter.io/developer/1401209994) |

## What reviewers say

### BLAZER WMS

[App page](https://appshunter.io/ios/app/blazer-wms/id1278800939)

Control vehicle accessories like LED lights remotely using your smartphone. This system connects to a wireless management unit in your vehicle, offering control over four output terminals.

**Highlights:** Smartphone control for vehicle accessories, Manage LED lights, Wireless Management System integration, Control 4 output terminals, 12 VDC system compatible

**Features:** macOS Compatibility

**In-app purchases:** none


### GWSCAN

[App page](https://appshunter.io/ios/app/gwscan/id6484502290)

Unlock advanced vehicle diagnostics and maintenance insights. This tool helps you understand your car's systems, read and clear trouble codes, and monitor live engine data. Ideal for vehicle owners seeking professional-level insights without the dealership cost.

**Highlights:** OBDII Diagnostics, In-depth system scans, Live engine data monitoring, Maintenance light reset, Scan and clear DTCs

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is BLAZER WMS free?

BLAZER WMS is free to download, with no in-app purchases.

### Is GWSCAN free?

GWSCAN is free to download, with no in-app purchases.

### Which has better reviews, BLAZER WMS or GWSCAN?

GWSCAN is rated higher. BLAZER WMS averages 2.8 out of 5 from 5 ratings, while GWSCAN averages 4.3 from 83 ratings.

### Do BLAZER WMS or GWSCAN have ads?

Neither BLAZER WMS nor GWSCAN shows ads.

### Which is updated more often, BLAZER WMS or GWSCAN?

BLAZER WMS ships an update every 2 weeks, and GWSCAN every 2 months. Most recently, BLAZER WMS was updated on October 4, 2026 and GWSCAN on October 18, 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.*