| What it does | Free online GPS speedometer for your phone
| Predict school closures and delays with live weather for any US or Canadian location
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| Stage | Not given
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| Founded | Not given
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| Based in | Not given
| US
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| Pricing model | Free
| Free
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| Pricing | Not given
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| Key features | - Live GPS speed display
- Maximum speed tracking
- Average speed calculation
- Distance measurement
- Multiple speed units (mph, km/h, knots, m/s)
- HUD (head-up display) mode
- Over-speed alert
- Trip time recording
- GPS accuracy indicator
- Speed tests for cars, trains and walking
| - Live weather data integration from OpenWeatherMap and Open-Meteo
- Multi-factor weather analysis including temperature, snowfall, wind, visibility, and ice risk
- Probability scoring with detailed factor breakdown
- Support for US ZIP codes and Canadian postal codes
- GPS location detection
- 50+ specialized winter calculators
- Mobile-responsive progressive web app design
- Local browser storage for recent searches with no account required
- Hourly forecast view
- Saved locations feature
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| What makes it different | - Completely free with no sign-up or installation required
- Works offline after page load
- Privacy-focused with location data never leaving your device
- More accurate than car speedometers
| - Explains the factors behind each prediction rather than showing an unexplained percentage
- Independent platform not affiliated with school districts or government agencies
- Continuous model refinement based on outcome review against reported closures
- Privacy-first architecture with no location data transmission or sale
- Accessible design with keyboard navigation and WCAG compliance
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| Community votes | 0 | 0 |
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| DR (Domain Rating by Ahrefs) | Not checked yet ● no change since last check | 10 ● no change since last check |
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| Trust Flow (Majestic) | 0 | 2 |
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| Citation Flow (Majestic) | 0 | 11 |
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| Referring domains (Majestic) | 0 | 29 |
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Speedometer.tools
Snow Day Calculator