Best OBD2 Scanners

Compare OBD2 Scanners

16 ranked products · Two to 4 at a time · Updated 10 Sept 2026

Pick any two to four of the 16 ranked obd2 scanners and read them side by side. This page opens on the board's top 3, TopDon Phoenix Nano, BlueDriver Pro Scan and Ancel BD310.

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OBD2 Scanners compared side by side. Each column is one product, each row is one measure taken from the same research that built the board.
Measure TopDon Phoenix Nano TopDon TopDon Phoenix Nano BlueDriver Pro Scan BlueDriver BlueDriver Pro Scan Ancel BD310 Ancel Ancel BD310 Bosch OBD 1200 Bosch Bosch OBD 1200 OBDLink MX+ OBDLink OBDLink MX+ Innova 5610 Innova Innova 5610 TopDon ArtiDiag 900BT TopDon TopDon ArtiDiag 900BT Launch CR529 Launch Launch CR529 Innova CarScan Advisor 5210 Innova Innova CarScan Advisor 5210 Foxwell NT510 Elite Foxwell Foxwell NT510 Elite TopDon TopScan Lite TopDon TopDon TopScan Lite BlueDriver BlueDriver BlueDriver XTOOL AD20PRO XTOOL XTOOL AD20PRO VDIAGTOOL VD10 VDIAGTOOL VDIAGTOOL VD10 Kingbolen S6 Elite Kingbolen Kingbolen S6 Elite GOOLOO DEEPSCAN DS200 GOOLOO GOOLOO DEEPSCAN DS200
Tier S S A B B C C C C D D D D D F F
Rank on this board 1 of 16 2 of 16 3 of 16 4 of 16 5 of 16 6 of 16 7 of 16 8 of 16 9 of 16 10 of 16 11 of 16 12 of 16 13 of 16 14 of 16 15 of 16 16 of 16
Ladder points 958 LP 944 LP 732 LP 641 LP 568 LP 497 LP 464 LP 461 LP 388 LP 339 LP 322 LP 242 LP 220 LP 217 LP 186 LP 185 LP
Our verdict A professional-grade tool that Road and Track rated Best Overall after hands-on testing, with current-generation hardware and active firmware support. Car and Driver's tested top pick, with a mature app, no recurring fees and a long support history - the recommended alternative to any subscription dongle. Car and Driver's Best Overall, with a versatile dual-form-factor design, a large installed base and continuing firmware development - a strong all-round ownership proposition. 'no-nonsense precision' engineering from a tool-grade brand with a parts-grade support reputation - the safest pure-hardware bet for owners who want a handheld that simply does not die. A small, sealed hardware dongle with essentially nothing to break, a decade-long track record of firmware updates, and no subscription treadmill - the strongest long-term ownership story in the category. Free lifetime updates and an established US-based support operation are exactly what long-term ownership rewards - the bidirectional value anchor. Shows promise as a competitive alternative in the mid-range scanner market. Tom's Guide's best value pick after testing. A simple code reader with almost nothing to fail and a huge installed base - the most durable 'it just works' option on the board. A fine basic code reader buried under the heaviest marketing in the category - the BlueDriver Pro Scan or OBDLink MX+ is the better buy at similar money. A genuinely useful single-brand tool with a loyal following, but per working mechanics it is very limited outside its brand scope. Durable entry-level tool that maintains long-term software support. Comparable functionality to the Pro model but at a lower price. Still reliable over time. Not widely supported by the community. Frequently compared unfavorably to other scanners. No consistent positive user feedback. Not recommended by the community. Offers potential value for those seeking affordable options on AliExpress. Capable current-generation hardware with full-system bidirectional capability, placed here only because the brand's long-term firmware and support track record is shorter than the names above it.
What reviewers rate
  • Professional-grade performance
  • Current-generation hardware
  • Active firmware support
  • Rated Best Overall by Road and Track after hands-on testing
  • Mature app with no subscription
  • Comprehensive diagnostics with live data, sensor readings and repair reports
  • Widely praised for ease of use
  • Long support history
  • Dual-form-factor design
  • Named Best Overall by Car and Driver after testing
  • Continuing firmware development
  • Large installed base
  • Engineered with no-nonsense precision
  • Tool-grade build culture
  • Parts-grade support reputation
  • Extremely durable handheld hardware
  • Sealed dongle design with essentially nothing to break
  • Decade-long track record of firmware updates
  • No subscription required
  • Expert-level credibility per Road and Track's tested roundup
  • Cheapest bidirectional scanner with free lifetime updates
  • Adds ABS, SRS and transmission diagnostics
  • Dealer-level resets for serious enthusiasts
  • US-based support operation
  • Competitive feature set
  • Good value for its price range
  • Professional-grade diagnostics
  • Strong warranty
  • Named best value OBD-II scanner by Tom's Guide after testing
  • Simple design with almost nothing to fail
  • Huge installed base
  • Delivers on what it promises, not just on what it costs
  • Reliable ABS and engine code reading on a budget
  • Adds battery and oil-reset extras
  • Excellent for DIY repairs and at-home diagnostics, and easy to set up
  • Top budget scanner for battery and charging system testing
  • Great for BMW-specific work
  • Covers a lot within its brand scope
  • Does what it is supposed to do
  • Loyal following among professional mechanics
  • Durable design
  • Long-term software support
  • Bluetooth live data
  • Bidirectional tests
  • Comparable to Pro
  • Lower price
  • Reliable over time
  • Extensive bi-directional control
  • ECU coding
  • Professional-grade features
  • Tablet interface
  • Best value
  • Essential diagnostics at a budget price
  • Reliable performance
  • All-major brand compatibility
  • Affordable price point
  • Positive community perception
  • All-system diagnostics
  • Active testing
  • Professional-grade Bluetooth scanner
  • Full-system diagnostics
  • Bidirectional control
  • Current-generation hardware
Where it falls short Nothing recorded Nothing recorded
  • Reliability issues
  • Accuracy concerns
  • Lacks live-data graphs
  • No service reset functions
Nothing recorded
  • No screen and no bundled diagnostic app; relies on third-party software
  • Does not function as a true bidirectional scan tool, only reading and clearing codes
  • Premium price whose justification reviewers repeatedly question
  • The cheaper Advisor 5210 captures most of its everyday value
  • The cost may be overkill for hobbyists
Nothing recorded
  • Less robust chassis
  • Only suited to basic DIY diagnostics
  • Outclassed on diagnostics depth by its main cross-shop rivals
  • Subject to the heaviest marketing push in the category
  • Feature set is a bit narrower than the best budget rivals
  • Very limited outside its target brand
  • Very limited as a general scanner
  • Polarized owner feedback
  • Prominent review coverage tells buyers not to buy it
Nothing recorded
  • No full bi-directional capability
  • Missing real-time data
  • Weak community presence
  • Often linked to lower-quality alternatives
  • Lack of positive reviews
  • Limited endorsement
  • Incomplete diagnostics
  • No bi-directional control
Nothing recorded
  • Brand's long-term firmware and support track record is shorter than its rivals'
  • Weak community support
  • Often grouped with lower-quality options
  • Feature set slightly behind
Evidence behind it 3 sources across 3 outlets 7 sources across 7 outlets 3 sources across 3 outlets 1 source across 1 outlet Thin sourcing, read it as provisional 3 sources across 3 outlets 8 sources across 7 outlets 3 sources across 3 outlets 3 sources across 3 outlets 8 sources across 7 outlets 3 sources across 3 outlets 1 source across 1 outlet Thin sourcing, read it as provisional 3 sources across 3 outlets 5 sources across 5 outlets 5 sources across 5 outlets 2 sources across 2 outlets 4 sources across 2 outlets
Flagged as one to avoid Not flagged Not flagged 1 of 10 research runs Not flagged 1 of 3 research runs Not flagged Not flagged Not flagged 1 of 2 research runs 1 of 3 research runs Not flagged 2 of 5 research runs 1 of 6 research runs 2 of 6 research runs Not flagged 2 of 10 research runs
Announced Not recorded Not recorded Not recorded Not recorded Not recorded Not recorded Not recorded Not recorded Not recorded Not recorded Not recorded Not recorded Not recorded Not recorded Not recorded Not recorded
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Every column is the same research that built the board. Nothing here is a specification sheet copied from a maker. Read how we rank for what a tier and a ladder point mean.