BlueDriver OBD2 Scan Tool vs DeWalt ACMS
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
BlueDriver OBD2 Scan Tool
This app turns your smartphone into a powerful OBD2 scan tool. It allows you to read and clear trouble codes, view live data, and generate detailed repair reports for your vehicle. Understand your car's issues and make informed repair decisions.
- Read and clear trouble codes (Check Engine, ABS, etc.)
- Generate professional-grade Repair Reports
- Access Mode 6 and smog readiness data
- View live data with interactive graphing
- Wireless Bluetooth scanning
- Likely fixes explained in plain language
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BlueDriver® transforms your iPhone or iPad into a powerful OBD2 scan tool – trusted by over 1 million drivers, from professional mechanics to DIYers. Paired with the BlueDriver Bluetooth® Sensor (sold separately), it lets you read codes, diagnose issues, and fix your car with confidence—no wires, no guesswork. Whether you're checking a check engine light, running a smog test, or diving into enhanced diagnostics like ABS or transmission codes, BlueDriver gives you the tools you need to understand your vehicle and make smarter repair decisions – with clear, easy-to-understand information. What You Can Do with BlueDriver · Read and clear trouble codes - including check engine, ABS, airbag, transmission, and more · Generate, save, and share professional-grade Repair Reports based on your exact vehicle and trouble code · Access Mode 6 on-board monitoring test results · Check smog readiness and freeze frame data · View live data with multi-PID interactive graphing · Scan your vehicle wirelessly with Bluetooth—no cables required · Choose between metric and imperial settings · Get likely fixes for your vehicle’s issues, explained in plain language Enhanced Diagnostics Coverage · GM, Ford, Chrysler, Toyota, Nissan, Mazda, Mercedes (2005+ models) · Mitsubishi (2008+), Hyundai/Kia (2012+) – available worldwide · BMW/Mini, Honda/Acura, Volkswagen/Audi – available in North America · Subaru – available in the United States What Makes BlueDriver Different? · No subscription required · Backed by a database of millions real-world fixes · Repair Reports are specific to your vehicle’s year, make, and model · Works globally with the BlueDriver Sensor · App is free to install—just pair with the Sensor to start scanning You can even preview a Repair Report without a Sensor by entering your VIN and a trouble code. Account Setup Made Easy You’ll create a BlueDriver account during setup—it’s quick and easy, and gives you secure access to all your scans, reports, and new features across any device. Important Info The BlueDriver Sensor plugs into your vehicle’s data port (found in every car built since 1996). It connects to the app via Bluetooth® to deliver full diagnostic functionality. Sensor sold separately in-app or at www.BlueDriver.com
DeWalt ACMS
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Use your device to monitor the number of hours your air compressor is running and receive maintenance data on your phone. SEAMLESSLY INTEGRATED WITH DEWALT AIR COMPRESSORS -Information for select models is pre-loaded into the app and automatically populates data such as oil change intervals, air filter replacement intervals, belt information, and more. -Simply choose your specific DEWALT air compressor model number within the app, and pair the app with the monitoring device mounted on your air compressor, to begin recording run time. DAILY MAINTENANCE REMINDERS -You choose the time of day to receive the maintenance reminders to check the compressor. VIEW KEY DATA FOR YOUR COMPRESSOR -User-friendly dashboard displays the status of your compressor. -Hours remaining until an oil change is needed -Hours remaining until the air intake filter should be replaced -Drive belt hours remaining until the belt tension should be checked -A maintenance log screen is included to note when the maintenance was completed. -For example, enter your own notation and the date the oil change was completed -Graph data is available to monitor how often the compressor is running. -This is key if the air compressor is running during a time of day you do not expect it to be FREQUENTLY ASKED QUESTIONS -Common FAQ’s are available for additional information and trouble shooting. ORDER PARTS AS NEEDED -Access the shopping cart via DEWALT Service Net directly from the app when oil, filters, belts and other parts may be needed to maintain your compressor. SERVICE CENTER LOCATOR -Simply enter your location and the nearest service centers will be shown. Protect your compressor investment and enjoy years of trouble-free operation.
Screenshots
Verdict
The clearest difference is update cadence: BlueDriver OBD2 Scan Tool at fortnightly against DeWalt ACMS's every 38 months. DeWalt ACMS's advantage is iOS requirement (11.0 vs 16.6). On price, 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
BlueDriver OBD2 Scan Tool ships an update fortnightly, DeWalt ACMS every 38 months. The most recent releases landed on October 19, 2026 and October 1, 2026 respectively.
| Parameter | BlueDriver OBD2 Scan Tool | DeWalt ACMS |
|---|---|---|
| Price | Free | Free |
| Rating | 4.6 (14K ratings) — better | — |
| Positive reviews | 57.2% of reviews | — |
| Number of ratings | 14K — better | — |
| Update frequency | Fortnightly — better | Every 38 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad | iPhone, iPod |
| Requires iOS | 16.6 | 11.0 — better |
| Further details — not scored | ||
| Size | 273 MB | 73 MB |
| Age rating | 4+ | 4+ |
| Developer | Lemur Vehicle Monitors | MAT INDUSTRIES, LLC |
Bugs and requests
BlueDriver OBD2 Scan Tool
Reported bugs
3 issues- Occasional app crashes
- Failure to detect vehicle faults in some cases
- Inability to update firmware on certain devices
Requested features
10 requests- Add support for more vehicle makes and models
- Improve Bluetooth stability and connectivity
- Implement odometer reading functionality
- Expand diagnostic capabilities to include more advanced features
- Add support for European vehicle VINs
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- Enable reading of additional fault codes (e.g., airbag)
- Maintain compatibility with older iOS versions
- Introduce CarPlay integration
- Add customizable live data dashboards
- Implement audible alerts for critical sensor readings
DeWalt ACMS
Not enough reviews yet to summarise bugs or requests.
In-app purchases
BlueDriver OBD2 Scan Tool
No in-app purchases
DeWalt ACMS
No in-app purchases
Questions
Is BlueDriver OBD2 Scan Tool free?
Is DeWalt ACMS free?
Do BlueDriver OBD2 Scan Tool or DeWalt ACMS have ads?
Which is updated more often, BlueDriver OBD2 Scan Tool or DeWalt ACMS?
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