WattWise

Estimate EV charging costs, compare rates, and understand every charging session before you plug in.

WattWise helps EV drivers estimate charging costs, compare charging rates, and understand every charging session before plugging in.

Choose your charging rate, adjust your EV details, and instantly see estimated session cost, charging time, energy required, miles added, and cost per mile.

WattWise is simple, private, and easy to use. Your charging sessions and tariff preferences stay on your device.

Features: • Estimate EV charging session cost • Compare Off-Peak, Peak, Public, and Custom rates • Calculate charging duration • Estimate miles added • View cost per mile • Save recent sessions locally • Customise charging rate presets