Live cockpit telemetry

Performance

G Performance is a premium GPS speedometer and driving telemetry app for iPhone and Android, combining a live speedometer, G-force meter, compass, GPS coordinates, altitude, and a focused cockpit dashboard.

  • Live GPS speedometer and G meter
  • Compass, altitude, and trip telemetry
  • Portrait, landscape, and Live Activities
G Performance tablet cockpit dashboard with GPS speedometer, compass, and driving telemetry
G Performance phone GPS speedometer app with live speed, G-force meter, and trip cards

GPS Speedometer

Live speed, average speed, max speed, and trip distance.

Cockpit Sensors

G-force meter, compass, GPS coordinates, and altitude.

Driving Dashboard

Phone and tablet cockpit layouts for portrait and landscape use.

Key Features

A GPS speedometer and cockpit telemetry app built for the road.

Designed as a premium car dashboard app, G Performance keeps live speed, G meter data, compass readouts, GPS position, and altitude easy to read without clutter.

01

Live GPS speedometer

A large live speedometer keeps current speed visible at a glance while preserving the surrounding cockpit telemetry.

02

AVG / MAX / DIST trip metrics

Track average speed, max speed, and distance in dedicated trip cards designed for driving sessions.

03

G-force meter and G graph

Visualize lateral and forward load with a live G meter and G graph while keeping the cockpit layout clean.

04

Compass, GPS coordinates, and altitude

Surface heading, GPS position, signal status, and altitude in a single compass and telemetry view.

05

Portrait and landscape car dashboard layouts

Switch between compact portrait and wider landscape cockpit dashboards on phone and tablet.

06

Live Activities support

Keep essential speed and driving telemetry available outside the main app interface when Live Activities are supported.

Version 2.0

What’s New in G Performance 2.0

G Performance 2.0 introduces Route Space, saved routes, GPX import, POIs, 2D and 3D map views, and a more refined cockpit experience.

01

Route Space

A custom route-space map for recorded drives, with route structure, altitude context, and session statistics in both 2D and 3D.

  • Recorded points and route segments
  • Altitude-aware route stats
  • Switchable 2D and 3D views

02

Route Recording

Record live routes, return to saved sessions later, and move route data between devices or workflows.

  • Record routes in-app
  • Save and load routes
  • GPX import plus GPX and JSON export

03

POI Support

Mark notable points on a route with context that stays attached to the drive.

  • Add labels and notes to route points
  • Attach photos and videos
  • Highlight POIs directly on the route

04

Map Layers

Route mapping is more flexible, with clearer visual context and improved interaction around the active path.

  • Route Space, Road, and Terrain layers
  • Improved map controls
  • Refined marker behavior

05

Cockpit Improvements

The core driving dashboard feels more polished across phone and tablet layouts.

  • Improved G scale visualization
  • Better center swiper behavior
  • Units, map preferences, and improved tablet layouts

06

Performance and Stability

Route handling and map state feel steadier throughout longer sessions.

  • Smoother map handling
  • Better route state persistence
  • Improved UI polish

Screenshots

See the GPS speedometer, G meter, and cockpit dashboard layouts.

Explore how live speed, G-force, compass data, GPS coordinates, altitude, and trip telemetry fit into each dark cockpit view.

Optional Support

Help fuel development

If G Performance has been useful to you, you can support future improvements with a small donation.

Support is fully optional and does not unlock app features.

Crypto

If you prefer to support G Performance with crypto, you can use any of the addresses below.

Bitcoin

bc1qr55efz8hnf855nvagmem4h8sjjkc2275lh3eye

Ethereum

0x87F937213A8DFA9E403877F76F333dE2Da29DA59

Solana

38QnhmPRsvo9niuTnF2GKgVxf9cSUC9gQxTVKvLQhf8n

Doge

DLJPYt8fo96sR8ZrE2yxKAv998KCHzbTwK

Support

Contact G Performance support.

Questions about the GPS speedometer app, cockpit telemetry features, privacy, or release support can be sent using the contact details below.