Terms and Disclaimer
zigmaty is a browser-based GPS speedometer and speed utility. GPS readings are estimates and can be affected by device hardware, browser behavior, signal quality, movement, and surroundings.
Not a safety instrument
zigmaty is not a certified vehicle dashboard, marine navigation device, aviation instrument, railway tool, medical device, or emergency system. Do not rely on it for legal, safety-critical, navigation, or emergency decisions.
GPS accuracy limits
GPS speed can lag, jump, show zero, or become unavailable indoors, underground, near tall buildings, in tunnels, under metal roofs, on trains, on boats, or when the device uses battery-saving settings.
Local calculations and saved data
zigmaty reads GPS only after you allow it. Speed, distance, alerts, and trip history are calculated locally in this browser. Trip history, selected unit, theme, mode, and alert settings may be stored locally in your browser and can be cleared from your device.
Responsible use
Use zigmaty responsibly, follow local laws, and do not interact with the site in a way that distracts you while driving, riding, boating, running, walking, or using public transport.
Changes and availability
zigmaty may change features, content, supported languages, analytics, advertising, or availability over time. The site is provided as a lightweight utility without a guarantee of uninterrupted service.
Related policies
Common questions
zigmaty reads GPS only after you allow it. Speed, distance, alerts, and trip history are calculated locally in this browser.
How accurate is this GPS speedometer?
Accuracy depends on GPS signal quality, sky visibility, buildings, tunnels, device hardware, and browser update frequency.
Is my precise location uploaded?
zigmaty does not upload your precise GPS route or live coordinates to a zigmaty server. Trip calculations happen locally in this browser.
Do I need to install an app?
No. zigmaty runs in the browser. On supported phones you can also install it to the home screen for quicker access.
Can I remove saved trip history?
Yes. Use the Clear button in trip history or clear zigmaty site data from your browser settings.
Not a safety instrument
zigmaty is not a certified vehicle dashboard, marine navigation device, aviation instrument, railway tool, medical device, or emergency system. Do not rely on it for legal, safety-critical, navigation, or emergency decisions.