For a DIYer who wants coding and modern protocols with no update bills, from a brand that sells it direct on Amazon.
Amazon $499.952 Thinkcar OBD2 scanners ranked. Each one is scored and ranked against every brand in its form, so "#3 mid-size" means third of all mid-size OBD2 scanners here, not third among Thinkcar's own.
Thinkcar makes 2 current OBD2 scanners: 1 tablet and 1 phone dongle. Prices run from $129.99 for the Thinkcar Thinkdiag 2 to $499.95 for the Thinkcar ThinkScan 689BT. Its best-rated model in each size: the Thinkcar ThinkScan 689BT (#5 of 24 tablet, rated 3.7) and the Thinkcar Thinkdiag 2 (#4 of 4 phone dongle, rated 2.4).
Prices were last checked November 2, 2026 and are subject to change; the price and availability shown by the retailer at the time of purchase apply.
Thinkcar OBD2 scanners 2
- Thinkcar ThinkScan 689BT#5 tabletFull review
For a DIYer who wants coding and modern protocols with no update bills, from a brand that sells it direct on Amazon.
Amazon $499.95$499.9535-Lifetime - Thinkcar Thinkdiag 2#4 phone dongleFull review
For a driver who wants cheap bidirectional control and CAN FD on a phone and accepts a yearly fee to keep it.
Amazon $129.99$129.9915-1 year