When it comes to automotive key programming and immobilizer solutions, Xhorse VVDI offers two popular tools: the Key Tool MIDI and Key Tool Max Pro. Both devices are powerful, but they cater to slightly different needs. Below, we break down their differences to help you decide which one is right for you.
Comparison Table
| Item | Xhorse Key Tool MIDI(Advanced Version) | Xhorse Key Tool Max Pro |
| Image |  |
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| IMMO Programming | Value-for-Money Choice | Powerful Handheld Tool |
| VW/Audi/Skoda 4th Gen | √ (Some models require a programmer) | × |
| VW/Audi/Skoda MQB | √ (Some models require a programmer) | × |
| Audi 5th Gen | √ (Some models require a programmer) | × |
| Audi/Porsche MLB Models | √ (Works with MLB-TOOL Adapter) | × |
| BMW CAS1-3 | √ (Some models require a programmer) | √ (Some models require a programmer) |
| BMW CAS4/FEM/BDC | √ (Some models require a programmer) | × |
| Porsche | √ (Some models require a programmer) | × |
| Land Rover/Jaguar 2015-2018 | √ (Some models require a programmer) | √ (Some models require a programmer) |
| Land Rover/Jaguar 2018- | √ (Some models require a programmer) | × |
| Volvo | √ (Some models require a programmer or adapter) | √ (Some models require a programmer) |
| Other Common Models | √ (Some models require a programmer or adapter) | √ (Some models require a programmer or adapter) |
| Programmer: 8-pin EEPROM | √ | × |
| Vehicle Diagnostic Function | √ | × |
| Transponder Identification and Clone | √ | √ |
| IMMO Data Tool | √ | √ |
| Remote Generation | √ | √ |
| Key Cutting(App) | √ | √ |
| Cloud Diagnosis Mode-c | √ | × |
| TPMS Functionality | √ (works with TPMS adapter) | √ (Built-in TPMS antenna) |
Key Difference
1. Functionality and Coverage
Key Tool MIDI:
(1) Supports a wider range of vehicle models, including VW/Audi/Skoda (4th Gen, MQB), Audi 5th Gen, Porsche MLB (with adapter), BMW CAS1-4, Land Rover/Jaguar (2015-2018), and Volvo.
(2) Requires additional programmers or adapters for some functions.
(3) Offers vehicle diagnostic functions and 8-pin EEPROM programmer support.
Key Tool Max:
(1) More limited in vehicle coverage (e.g., no support for VW/Audi MQB, Audi 5th Gen, or Porsche MLB).
(2) Excels in BMW CAS1-3, Land Rover/Jaguar (2015-2018), and Volvo (similar to MIDI but lacks some advanced Audi/VW functions).
(3) Does not support diagnostics or 8-pin EEPROM programming.
2. Key Features
Key Tool MIDI is value-for-money, which supports more features like IMMO programming, diagnostic function, TPMS, cloud diagnosis, remote generation, and key cutting.
Key Tool Max is a powerful handheld tool that supports remote generation, key cutting, and TPMS.
3. Hardware and Extras
Key Tool MIDI:
(1) Works with adapters (e.g., MLB-TOOL adapters for Porsche/Audi).
(2) Better for users who need diagnostics and EEPROM programming.
Key Tool Max:
(1) Built-in TPMS antenna (no adapter needed).
(2) More compact and focused on key programming and cloning.
Which One Should You Buy?
Choose the Key Tool MIDI if:
✔ You work with VW, Audi, Skoda, Porsche, or BMW frequently.
✔ You need diagnostic functions and EEPROM programming.
✔ You want cloud diagnosis and broader vehicle coverage.
Choose the Key Tool Max if:
✔ You primarily handle BMW, Land Rover, Jaguar, or Volvo.
✔ You prefer a handheld tool with built-in TPMS.
✔ You don’t need diagnostics but want a streamlined key programming device.
Conclusion
Key Tool MIDI is the versatile all-rounder, ideal for locksmiths and mechanics who need diagnostics and wide vehicle support.
Key Tool Max is the specialist tool, perfect for professionals focused on key programming and TPMS without extra adapters.
Both tools are excellent – your choice depends on your specific needs. For maximum flexibility, go with the MIDI. For ease of use in key programming, the Max is a strong contender.
Upgrade your toolkit today and boost your automotive service efficiency!
