Best OBD2 Scanners
Top obd2 scanners ranked by transparent trust scores.
8 products ranked
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Top Pick
9.4
Excellent
BlueDriver Pro OBD2 Scanner
Ranked #1 based on expert reviews, user sentiment, and value analysis.
#1
9.4
Excellent
Consensus
Compare
Ranked #1 based on expert reviews, user sentiment, and value analysis.
Pros
- Enhanced manufacturer-specific codes
- Verified fix reports from real mechanics
- Smog check readiness test
Cons
- Requires smartphone for display
- Subscription may be needed for some features
Don't buy this if…
- Enhanced diagnostics are available for most but not all vehicle makes; check the compatibility list for your specific car.
#2
9.2
Excellent
Consensus
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Ranked #2 based on expert reviews, user sentiment, and value analysis.
Pros
- Plain English code explanations
- Maintenance schedule reminders
- Repair cost estimates
Cons
- Basic diagnostic depth
- Premium features require subscription
Don't buy this if…
- The free app tier provides basic code reading; advanced features like repair cost estimates require a FIXD Premium subscription.
#3
9.0
Excellent
Consensus
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Ranked #3 based on expert reviews, user sentiment, and value analysis.
Pros
- Standalone handheld, no phone needed
- ABS and SRS code reading
- RepairSolutions2 fix database
Cons
- Bulkier than Bluetooth adapters
- Database requires periodic updates
Don't buy this if…
- Connect the USB cable to update the RepairSolutions2 database periodically; outdated databases miss newer vehicle codes.
#4
8.7
Excellent
Consensus
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Ranked #4 based on expert reviews, user sentiment, and value analysis.
Pros
- Always-connected monitoring
- Free app with no subscriptions
- Compact mini dongle design
Cons
- Generic OBD2 codes only
- App interface is basic
Don't buy this if…
- Leaving the dongle plugged in continuously may slowly drain your car battery if the vehicle is parked for weeks.
#5
8.5
Excellent
Consensus
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Ranked #5 based on expert reviews, user sentiment, and value analysis.
Pros
- Full-system 28+ module scanning
- Bi-directional active testing
- Professional 7" tablet interface
Cons
- Expensive for home mechanics
- Annual update subscription after year one
Don't buy this if…
- After the first free year, software updates require an annual subscription ($129/year); without updates, new vehicle coverage stops.
#6
8.3
Good
Consensus
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Ranked #6 based on expert reviews, user sentiment, and value analysis.
Pros
- Free lifetime software updates
- Four-system coverage
- Intuitive touchscreen interface
Cons
- No bi-directional controls
- Slower boot time than competitors
Don't buy this if…
- While lifetime updates are free, the Wi-Fi update process can take 30-60 minutes for major vehicle database downloads.
#7
8.1
Good
Consensus
Compare
Ranked #7 based on expert reviews, user sentiment, and value analysis.
Pros
- Works with popular third-party apps
- Bluetooth 4.0 LE low power
- iOS and Android compatible
Cons
- App selection determines features
- No included proprietary app
Don't buy this if…
- This adapter requires a separately purchased or free third-party OBD app; no proprietary app is included.
#8
7.9
Good
Consensus
Compare
Ranked #8 based on expert reviews, user sentiment, and value analysis.
Pros
- Five special service functions
- Free lifetime Wi-Fi updates
- Oil reset and EPB service built in
Cons
- 4" screen is small for data tables
- Menu navigation has a learning curve
Don't buy this if…
- Special service functions like EPB and oil reset may not be supported on all vehicle makes; verify compatibility before purchase.
Quick Comparison
How We Rank
Composite trust score from expert reviews, user sentiment, complaint analysis, and value assessment.
Trust Score
Weighted composite of all factor scores
Expert Score
Aggregated expert review ratings
User Sentiment
Community votes and review analysis
Value Score
Price-to-performance ratio
Freshness
Recency of reviews and data
Change Log
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