Download of OBDKey 1.4 was on the developer's website when we last checked. We cannot confirm if there is a free download of this software available. The program's installer file is generally known as OBDKey.exe. We recommend checking the downloaded files with any free antivirus. The program is categorized as Internet & Network Tools. The actual developer of the program is KBM Systems Ltd. The following versions: 1.4 and 1.3 are the most frequently downloaded ones by the program users.
From the developer:
The OBDKey interface Unit is a device used for vehicle diagnostics, but not just diagnostics alone. It is also used to measure vehicle performance and the state of your vehicles systems at any given point in time.
To hold a small portable scan program is essential to monitor the healthy state of your vehicle's engine management system for regular check-ups between services and maintenance periods.
You may want to check out more software, such as FiatECUScan, which might be similar to OBDKey.