01
Software
Mobile apps for iPhone and iPad. Lap timing, data logging and tools that make every session count.
Engineering · Sweden
Precision
at pace.
Nine Tenths Engineering builds software and hardware for driving on track, and brings two decades of iOS engineering to teams that ship. Nothing is ever finished. It just gets closer.
What we build
02
Hardware
In-car display systems and 3D-printed parts for track cars: camera mounts, cooling ducts and aero, designed, printed and tested on circuit.
03
Consulting
Senior iOS development and architecture. More than 20 years on Apple platforms, across streaming, mobility and banking.
Webshop
trackdayshop.se
Our parts are sold at Trackdayshop: camera mounts, cooling ducts and car-specific parts, designed and 3D-printed by us and shipped from Sweden.
Visit the shopAbout
Built by engineers who drive.
Nine Tenths Engineering AB is a Swedish engineering company. We build the things we want on track ourselves, and we test them there.
The name comes from motorsport: driving at nine tenths means pushing hard while staying in control. It is also a reminder that there is always a last tenth left to find, in a lap time or in a product.