STR Performance · Software

Software that does the job.

We build practical tools and native apps for real-world work — from professional diagnostics to software that just feels right.

Featured

JellyTunes.

The way your library should have always felt.

Tools

Built to work.

For professionals who need software to actually work the first time.

Coming soon

OBD-Pi

Portable diagnostic and coding platform. Works on any car via OBD-II. Built-in AI assistant for fault interpretation — for workshops, mobile mechanics, and serious enthusiasts.

From £799 · £99/mo · £79/mo billed annually
Free

JellyTunes

Native Jellyfin music app for iPhone, iPad, Mac, Apple TV, and CarPlay. Offline downloads, fast scrubbing, gorgeous now-playing — the basics, done right.

Free
More on the way

Native apps

Polished iOS, macOS, and tvOS apps built in-house. Designed for the way real people actually use their devices.

Coming to the App Store
In the field

Built to last.

12+
Production projects
4
Native iOS / macOS apps
100%
In-house
UK
Designed, built, supported
Get in touch

Talk to us.

Have a tool you wish existed? Or want early access to one of ours?