Here UOBD2 make a comparison table between Launch Cr3001,Autel AL319 and Autel AL519.Hope this comparison can help to get deep understand of their difference.
| Product Name | Launch CR3001 | Autel AL319 | Autel AL519 |
| Picture |  |
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| Price | $24.99 | $39.99 | $60.99 |
| Global OBD II | √ | √ | √ |
| Manufacturer Specific DTCs | √ | √ | √ |
| I/M Readiness Status | √ | √ | √ |
| Data Stream | √ | √ | √ |
| Data Graphing | √ | √ | √ |
| Multillanguages | Support 7 Language | Support 3 Language | 3 basic (buy extra) |
| On-Screen DTC Definitions | √ | √ | √ |
| Built-in DTC Lookup | √ | √ | |
| DTC Cause/Tips | √ | √ | |
| Advanced Mode 6 | 10 Test Modes | √ | |
| Freeze frame data | √ | √ | √ |
| O2 Sensor Test | √ | √ | |
| EVAP System Test | √ | √ |
