The value pick for a home mechanic with newer cars: modern protocols, coding and cheap updates for under $400.
Amazon $399The XTOOL D7S is the better OBD2 scan tool overall, rated 4.2 to 2.9. The XTOOL D7S leads on updates, price and warranty. The XTOOL D7S costs $400 less ($399 vs $799).
The cheapest Autel tablet with both ECU coding and CAN FD and DoIP, for enthusiasts who code modules on newer cars. Home mechanics who only need resets can save with the MX900.
Amazon $799Prices 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 D7S for updates (3 years of free updates, then $99 a year vs 1 year of free updates), price ($399 vs $799) and warranty (2-year warranty vs 1-year warranty).
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 D7S | Autel MaxiPRO MP900 |
|---|---|---|
| Overall rating | 4.2/5 | 2.9/5 |
| Price 25% | 54 $399 | 8 $799 |
| Service functions 15% | 97 39 service functions | 100 40 service functions |
| Advanced 20% | 80 ECU coding, CAN FD and DoIP | 80 ECU coding, CAN FD and DoIP |
| Updates 25% | 100 3 years of free updates, then $99 a year | 33 1 year of free updates |
| Warranty 15% | 50 2-year warranty | 0 1-year warranty |
Specifications
| XTOOL D7S | Autel MaxiPRO MP900 | |
|---|---|---|
| Functions | ||
| Service functions | 39 | 40 |
| Vehicle makes | - | 150 |
| ECU coding | Yes | Yes |
| CAN FD and DoIP | Yes | Yes |
| Topology map | - | No |
| Hardware | ||
| Form | Tablet | Tablet |
| Screen | 7 in | 8 in |
| System | Android 10 | Android 11 |
| Wireless VCI | No | No |
| Battery | 4,932 mAh | 7,700 mAh |
| Support | ||
| Free updates | 3 years | 1 year |
| Renewal | $99 a year | - |
| Warranty | 2 years | 1 year |
