KESS3 is the 2022+ version of the famous AlienTech tool (an Italian company from Pesaro, founded in 2003). It challenges Autotuner for first place as a universal tool.
Features
- OBD/Bench/Boot: covers all protocols
- Online protocol database: updates via cloud
- Master vs Slave: Master version for file services, Slave for end customer (with pre-protected file)
- Token system: payment per protocol, alternative to the annual fee
KESS3 vs Autotuner
| Criterion | KESS3 | Autotuner |
|---|---|---|
| Initial cost | €2,500-€3,500 | €2,500-€3,500 |
| Token per protocol | Yes (Master) | Yes |
| Italian brand | Yes | No (BE) |
| Truck coverage | Excellent | Good |
SaaS integration
KESS3 has API for file service portals: the flow "read via tool → upload to portal → download MOD → flasha" can be completely automated.
Master, Slave and token
KESS3 exists in Master version (autonomous reading/decoding) and Slave version (only writes files protected by a Master), the scheme on which the tuner-subdealer relationship is based. The token system allows you to pay per single family of protocols instead of an annual fee, convenient for those who work on a limited number of control units.
Integration into portals
Being one of the most widespread tools, KESS3 lends itself to the automated flow of file services: reading the file from the car, uploading to the portal, processing and downloading the MOD ready for writing. The broad coverage, including many industrial and agricultural vehicle control units, makes it a common choice for generalist workshops that don't want to limit themselves to just a few brands.
In summary
KESS3 is a solid choice for generalist workshops thanks to the broad coverage, even on heavy vehicles, and the integration with file service portals. The decision between fee and token depends on the vehicle mix: few recurring patterns favor tokens, full coverage favors fee. As with every tool, the Master version enables autonomous decoding, while the Slave is used to allow subdealers to operate safely.
In short, KESS3 remains one of the most versatile choices for those aiming to cover many brands, cars and industrial vehicles, with a now consolidated integration in file service portals which simplifies its daily use.