Topdon TopScan Pro
#3 in Phone dongleFull review
For a driver who wants a cheap, pocketable bidirectional tool and will either renew yearly or use it heavily in the first year.
Amazon $110.99$110.99
The Topdon TopScan Pro and the Thinkcar Thinkdiag 2 are evenly matched, rated 2.5 and 2.4. The Topdon TopScan Pro leads on price. The Topdon TopScan Pro costs $19 less ($110.99 vs $129.99).
Thinkcar Thinkdiag 2
#4 in 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$129.99
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 Topdon TopScan Pro for price ($110.99 vs $129.99).
Scores side by side
Each factor is scored 0-100 against the same fixed reference points for every phone dongle OBD2 scan tool; a clear win is highlighted. How we rank explains each one.
| Factor weight | Topdon TopScan Pro | Thinkcar Thinkdiag 2 |
|---|---|---|
| Overall rating | 2.5/5 | 2.4/5 |
| Price 25% | 75 $110.99 | 63 $129.99 |
| Service functions 15% | 10 13 service functions | 17 15 service functions |
| Advanced 20% | 0 none of the three | 0 none of the three |
| Updates 25% | 33 1 year of free updates, then $99 a year | 33 1 year of free updates |
| Warranty 15% | 0 1-year warranty | 0 warranty not published, scored as none |
Specifications
| Topdon TopScan Pro | Thinkcar Thinkdiag 2 | |
|---|---|---|
| Functions | ||
| Service functions | 13 | 15 |
| Vehicle makes | 120 | 120 |
| ECU coding | No | No |
| CAN FD and DoIP | No | No |
| Hardware | ||
| Form | Dongle | Dongle |
| Wireless VCI | Yes | Yes |
| Support | ||
| Free updates | 1 year | 1 year |
| Renewal | $99 a year | - |
| Warranty | 1 year | - |