- You want a fresh scan and readiness-centered buyer record
- You want to try a compatible adapter you already own
- You want unavailable systems and evidence gaps retained
- You want evidence separated from repair or seller conclusions
ScanWrench vs Carly
Two used-car workflows with different evidence boundaries.
Carly offers brand- and model-dependent features and a Used Car Check for numerous supported vehicles. ScanWrench creates a time-bound fresh scan, records readiness and fault evidence, and keeps unavailable systems explicit.
Side-by-side
Different strengths. Visible tradeoffs.
This comparison describes named public workflows. “Not verified” never means a product cannot do something; it means the cited source did not establish an equivalent named feature.
| Decision factor | ScanWrench | Carly |
|---|---|---|
| Hardware model | Compatible customer-supplied adapter candidates | Carly scanner for the supported Carly feature set |
| Coverage model | Observed exact phone, adapter, vehicle, module, and function path | Features vary by supported brand and model; other brands receive basic OBD functions |
| Used-car workflow | Buyer Challenge preserves a fresh time-bound scan and reset clues | Used Car Check reads available kilometer values from multiple ECUs on supported vehicles |
| Evidence receipt | ScanReceipt with proof reference and unavailable coverage | No equivalent named tamper-evident receipt verified in the cited feature-support article |
| State-changing features | Kept separate and unavailable unless exact authorized support is present | Available features vary by car brand, model, and Carly support |
- Carly lists the exact brand, model, and feature you need
- You want Carly's supported coding or model-specific feature set
- You want its multi-ECU mileage-based Used Car Check where available
Comparison questions.
Do ScanWrench and Carly perform the same used-car check?
No. ScanWrench focuses on a fresh, time-bound evidence scan and reset context. Carly describes a Used Car Check that reads available kilometer values from multiple ECUs on supported vehicles.
Does Carly support every car feature?
No. Carly's official support information says features differ by brand and model, while other brands may receive basic OBD functions.