Charge Smarter. Save More. Drive Further.

WattWhen helps electric-vehicle drivers find the best time and cheapest place to charge. Plan your trips, compare real-time charging prices, and make every kilowatt count.

⚡ Smart Charging, Simplified
• Compare live kWh prices from Tesla Superchargers and other networks.
• Instantly see which chargers are within your driving range.
• Plan ahead with an intuitive “Charge in 1 h / 8 h / 12 h” slider.

? Real-Time Data & Route Integration
• Automatically updated Supercharger data from trusted public sources.
• Built-in Google Maps integration for accurate distance and route info.
• Alerts when new data files or price updates are available.

? Save Money on Every Trip
• Calculate cost per kWh, per trip, or per charge.
• Discover which stations offer the best rates for your vehicle.
• Optimize for both price and range – never overpay for energy again.

? Personalized Settings
• Enter your car’s consumption (kWh/100 km) and battery capacity.
• Supports Tesla subscriptions and third-party EV networks.
• Fully adaptable to any EV model and driving style.

? Always Up to Date
• Automatic background sync keeps charger data fresh.
• Clear version and update status shown inside the app.

WattWhen is created by Full Measure ICT to make electric mobility transparent, affordable, and effortless.

Download WattWhen today – the smart EV charging and route-planning app.
Drive further. Pay less. Charge smarter.