Tune your ECU,
from your phone.
Watch the engine live, switch maps and time your runs with GPS, with no cables.
ST Mini, ST-02 and ST-04 · with the SpeedTech Bluetooth module · Android first, then iPhone
Full control of your ECU, on your phone
Made by SpeedTech for its ECUs, in Spanish.
- Tune from your phone ST Premium
VE, timing and AFR in 2D and 3D with the engine live. Every burn is verified so the change is written correctly to the ECU.
- Autotune ST Premium
Drive and the app tunes your VE table from your wideband reading. It tunes the warmup too.
- GPS meter ST Premium
0-100, 60 ft, 1/8 and 1/4 mile, with RPM, boost and AFR at every meter.
- Live dashboard
Pages for street, turbo and track, with color alerts and shift light.
- Datalogs
Record your drives and review them on your phone, no laptop needed.
- Sensors and wideband
Pick your temperature sensors or calibrate them, and set up your wideband from the app.
Time your runs with your phone
Every run is saved next to the engine log: you don't just see the time, you see RPM, boost and AFR at every meter.
- 0-100 km/h
- 60 ft
- 1/8 mile
- 1/4 mile
- 100-200 km/h
- Braking 100-0
- Put the phone in a solid mountThe app waits for a good GPS signal and tells you when it's ready.
- Launch whenever you wantThe launch is detected by the accelerometer: no need to touch anything.
- See every split60 ft, 1/8 and 1/4 mile, 0-100 km/h and trap speed, next to what the engine was doing.
- Share itA card with your time for WhatsApp or social media that always says how it was measured.
Use it only on a track or a closed course, never on the street.
Your dashboard, your way
Build your pages for the street, the turbo and the track.
Pages for every use Street, Turbo, Track and Dyno.
Gauges your way Needle, bar, number or graph.
Boost with peak hold Holds the run's peak.
Shift light Tells you when to shift.
What each one includes
Free with your SpeedTech ECU: dashboard, datalogs and sensors. ST Premium adds tuning from your phone, autotune and the GPS meter.
| Function | Free | ST Premium |
|---|---|---|
| Live dashboard | Included | Included |
| Datalogs and diagnostics | Included | Included |
| Sensors and wideband | Included | Included |
| Tune from your phone | Not included | Included |
| VE and warmup autotune | Not included | Included |
| GPS meter with the engine log | Not included | Included |
| Run history | Not included | Included |
| Base maps, videos and technical info | Not included | Included |
| Discounts and premium support | Not included | Included |
ST Premium is activated on the website. Discover ST Premium
How it looks
Our own design, for the shop and the track.






When is it coming out?
We're testing it now. Sign up for the beta on WhatsApp and we'll let you know.
Which ECU do I need?
ST Mini, ST-02 or ST-04, with the SpeedTech Bluetooth module.
Do I need internet?
Not to use it: the app talks straight to the ECU over Bluetooth. ST Premium asks you to sign in and go online at least every 3 days.
Does it work on iPhone?
Android first. iPhone comes later.
Can I try it without an ECU?
Yes. It has a demo mode.
What do I need for autotune?
A wideband sensor connected to your ECU, and ST Premium.
What if I make a mistake while tuning?
Nothing is saved until you burn, and you can always go back to your backup.
Be one of the first to try it
Tell us which ECU you have and we will let you know when the beta is ready.











