OBD2 Scanners · Rank #1 of 4

Autel MaxiCOM MK808S — bidirectional tablet scanner

$378.954.7 (3,878 ratings)Check fit for your model
Best for

3,000+ bidirectional active tests plus OE-level all-system diagnostics

Not for

Roughly 10x the price of a basic code reader

Key compromise

Free software updates lapse after one year, then require a paid renewal

Closest cheaper option

BlueDriver saves $244 at $134.95.

Buy on Amazon

Approx. $378.95As an Amazon Associate we earn from qualifying purchases.

Autel MaxiCOM MK808S — bidirectional tablet scanner★ Best OBD2 Scanner
Grade A- · our editorial pick in this category.
Scored on 6 public criteria, weighted 55% category-specific, 25% owner satisfaction, 20% value.
Diagnostic Depth
95
App & Fees
79
Ease of Use
79
Build Quality
76
Value
74
Owner Satisfaction
88

Autel MaxiCOM MK808S — bidirectional tablet scanner

OUR VERDICT
The only genuinely bidirectional tool we evaluated: the MK808S reads every major module (engine, transmission, ABS, TPMS, BCM), runs 3,000+ active component tests and handles 28+ reset services on a dedicated Android tablet. Overkill for a check-engine light, right at home for a serious DIYer or side-shop. Note this is the S revision — the original MK808 is the older, shallower tool and is what most stale round-ups still link.
WHY IT WINS
3,000+ bidirectional active tests plus OE-level all-system diagnostics
28+ reset services including oil, ABS bleed, SAS calibration and BMS registration
Standalone 7-inch Android tablet — no phone or laptop needed
KNOW BEFORE YOU BUY
Roughly 10x the price of a basic code reader
Free software updates lapse after one year, then require a paid renewal
Protocols
OBD-II / CAN
Connection
Corded
Bidirectional
Yes
App & Fees
One-time (1yr free updates, paid after)

What buyers say

1,943 buyer mentions

Buyers praise quality, reliability, value for money and ease of use.

QualityReliabilityValue for moneyEase Of Use

But if you’d rather…

BlueDriver — Bluetooth pro scan tool + repair reports
…SPEND LESS · BlueDriver — $134.95 · 79
The most-reviewed scanner in the category by a wide margin, and the app is why: enhanced ABS/SRS/airbag reads plus vehicle-specific Repair Reports drawn from a database of verified fixes. The dongle needs your phone, so there's no standalone screen.
Buy on Amazon

As an Amazon Associate we earn from qualifying purchases.