OBDify vs WJDiag
An honest, side-by-side look — so you can pick the right tool for your car.
WJDiag is a handy app focused on the older Jeep Grand Cherokee WJ / WG (1998–2005) and related early-2000s Chrysler-group models, on Android.
OBDify covers the modern FCA / Mopar range (2004 onward, 80+ models) across Jeep, Chrysler, Dodge, Ram, Fiat, Alfa Romeo, Lancia and Maserati — with 175+ guided procedures.
Driving a newer Jeep, Ram, Fiat or Alfa Romeo?
WJDiag targets the older WJ Grand Cherokee. For modern FCA / Mopar vehicles, OBDify covers 80+ models across eight brands.
| Feature | OBDify | WJDiag |
|---|---|---|
| Runs on iPhone & Android | ✓ | Android |
| Vehicle scope | Modern FCA / Mopar (2004+), 80+ models, 8 brands | Jeep Grand Cherokee WJ (1998–2005) + early Chrysler |
| Read & clear fault codes (DTC) | ✓ | ✓ |
| Live data | ✓ | ✓ |
| Actuator tests & coding | ✓ | ✓ |
| Guided service procedures | 175+ guided procedures | Basic |
| Adapter | ELM327 / OBDLink | ELM327 |
| Pricing | Free tier · subscription · one-time per-vehicle unlock | Free, with a paid Pro version |
Choose WJDiag if…
you own an older Jeep Grand Cherokee WJ (1998–2005) and want a tool focused on it.
Choose OBDify if…
you drive a modern FCA / Mopar vehicle (2004 onward) — Jeep, Chrysler, Dodge, Ram, Fiat, Alfa Romeo, Lancia or Maserati.
Browse all supported vehicles, guided procedures, or other comparisons.
