OBDSTAR X300 Classic G3 and Xhorse VVDI Key Tool Pad look very similar. Both are advanced, all-in-one diagnostic and key programming devices designed for professional automotive locksmiths and technicians. What is the difference between them? Which one is better? Check the details below.
Comparison table:
| Item | OBDSTAR X300 Classic G3 | Xhorse Key Tool Plus |
| Image |  |
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| Primary Function | Key programming tool with optional paid activations for additional functions. | All-in-one locksmith tool with key programming function. |
| Vehicle Coverage | Cars, E-cars, motorcycles, marine crafts (e.g., jet skis). | Universal, VW, Audi, BMW, Mercedes-Benz, some motorcycles, and basic diagnostics. |
| IMMO Programming | Comprehensive IMMO for cars, E-cars, motorcycles, and marine vehicles; | Strong support for European cars (VW, Audi, BMW, Mercedes-Benz, Porsche, Bentley, Renault etc.). |
| Motorcycle Support | Extensive motorcycle support (e.g., Harley-Davidson, Ducati, Yamaha, Honda, BMW). | Limited motorcycle support; focuses on specific models. |
| Marine Vehicle Support | Supports marine crafts like jet skis. | Not supported. |
| Key Programming | IMMO keys, remote test, read/write transponder, make dealer/start keys, renew key | Transponder cloning/generation, remote generation, smart key programming, chip detection. |
| Additional Functions | Optional paid activations for mileage correction, airbag reset, ECU cloning, test platform. | remote renew, frequency detection, key cutting machine control, cloud diagnostics. |
| Hardware | RK3568 Hexa-Core, 4GB RAM + 64GB storage, 8″ high-brightness display, Android-based. | 8-core 2GHz CPU, 4GB RAM + 128GB ROM, 10.1″ HD anti-glare screen, Android 9.0. |
| Connectivity | Built-in CAN FD, DoIP, RFID, Renault converters, Bluetooth 5.0, HDMI, dual-band WiFi. | Bluetooth, WiFi, OBD cable included, USB, HDMI. |
| Adapters Included | P004, MP001 programmer, soldering wires, BENCH-A V3, BENCH-B V2, motorcycle cables. | Benz power adapter, Toyota 8A AKL adapter, various renew adapters, optional DB9 adapter. |
| Special Features | Built-in FCA/Chrysler/Renault gateways, CAN FD/DoIP, extensive chip support with updates. | Supports Xhorse Super Chip, universal remotes, Toyota H smart key AKL without emulator. |
| Updates | 2 years free updates; paid subscriptions for additional features; functions work post-expiry. | Free lifetime updates for main functions; tokens for Mercedes and 48 96-bit cloning. |
| Mercedes-Benz Support | Yes, with extra FBS3 adapter kit, no tokens required. | Strong support for Mercedes-Benz, including FBS3 (with paid tokens). |
| ECU Functions | ECU unlocking, cloning (with paid activation), EEPROM/MCU read/write, IMMO OFF | ECU coding, adaptation, replacing; limited cloning without Multi-Prog. |
| Diagnostic Capabilities | Limited diagnostics (OBDII, manual service lamp reset); focus on IMMO and key programming. | Basic diagnostics, cloud diagnosis mode, supports VW/Audi/BMW/Mercedes-Benz. |
| Price | Approx. $1,500–$3,000 (varies by package); subscriptions for extra features. | Approx. $1,990–$2,399 (varies by package and region). |
| Target Audience | Locksmiths and repair pros needing broad vehicle coverage and ECU jobs, including motorcycles/marine. | Professional locksmiths needing luxury car IMMO capabilities. |
In conclusion
✔ Pros:
- Best for VAG, BMW & Mercedes immobilizer programming.
- Can generate 6,000+ remotes, clone transponders, and control key cutters.
- Free lifetime core updates.
- All-in-one tablet — no phone or laptop needed.
- Includes solder-free adapters for BMW and VAG MQB.
✘ Cons:
- Supports fewer car/motorcycle brands. No marine vehicles.
- Tokens needed for Mercedes and 48/96-bit cloning (extra cost).
✔ Pros:
- Add-ons for mileage correction, airbag reset, ECU cloning, and testing.
- Built-in CAN FD, DoIP, RFID — fewer extra devices needed.
- Great motorcycle support (Harley, Ducati, Yamaha, Honda).
- Works with more vehicle brands than VVDI.
- Strong performance on older cars and mileage services.
✘ Cons:
- Free updates only for 2 years, then paid subscription.
How to choose?
VVDI Key Tool Plus Pad covers fewer vehicles but is reliable for German brands (particularly for VAG, BMW, and Mercedes-Benz).
OBDSTAR X300 Classic G3 key programmer integrates advanced functions such as ECU cloning, airbag reset, mileage correction, and key programming for numerous brands not covered by the Key Tool Plus.
For professional use, having both tools is recommended.
