XTOOL D9S
#4 in TabletFull review
For a serious DIYer or small shop that wants near pro features, wireless freedom and modern protocols for under $900.
Amazon $849.30$849.30
The XTOOL D9S is the better OBD2 scan tool overall, rated 3.9 to 2.8. The XTOOL D9S leads on updates, advanced and warranty. The Autel MaxiCOM MK900BT wins on price. The Autel MaxiCOM MK900BT costs $230.30 less ($619 vs $849.30).
Autel MaxiCOM MK900BT
#22 in TabletFull review
The wireless version of Autel’s MX900, for home mechanics who want CAN FD, DoIP and 40 service functions without a cable to the dash. It has no ECU coding.
Amazon $619$619
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.
Which should you buy?
- Choose the XTOOL D9S for updates (3 years of free updates, then $258 a year vs 1 year of free updates), advanced (ECU coding, CAN FD and DoIP, topology map vs CAN FD and DoIP) and warranty (2-year warranty vs 1-year warranty).
- Choose the Autel MaxiCOM MK900BT for price ($619 vs $849.30).
Scores side by side
Each factor is scored 0-100 against the same fixed reference points for every tablet OBD2 scan tool; a clear win is highlighted. How we rank explains each one.
| Factor weight | XTOOL D9S | Autel MaxiCOM MK900BT |
|---|---|---|
| Overall rating | 3.9/5 | 2.8/5 |
| Price 25% | 4 $849.30 | 25 $619 |
| Service functions 15% | 100 45 service functions | 100 40 service functions |
| Advanced 20% | 100 ECU coding, CAN FD and DoIP, topology map | 40 CAN FD and DoIP |
| Updates 25% | 100 3 years of free updates, then $258 a year | 33 1 year of free updates |
| Warranty 15% | 50 2-year warranty | 0 1-year warranty |
Specifications
| XTOOL D9S | Autel MaxiCOM MK900BT | |
|---|---|---|
| Functions | ||
| Service functions | 45 | 40 |
| Vehicle makes | 150 | 150 |
| ECU coding | Yes | No |
| CAN FD and DoIP | Yes | Yes |
| Topology map | Yes | No |
| Hardware | ||
| Form | Tablet | Tablet |
| Screen | 9.7 in | 8 in |
| System | Android 10 | Android 11 |
| Wireless VCI | Yes | Yes |
| Battery | 12,800 mAh | 7,700 mAh |
| Support | ||
| Free updates | 3 years | 1 year |
| Renewal | $258 a year | - |
| Warranty | 2 years | 1 year |