ChargeFlow

Offline EV charging calculator — time & cost in seconds, no account needed.

How long? How much?

ChargeFlow is the fastest EV charging calculator. Estimate the time and cost of a charging session in two taps, with accurate results based on your vehicle's actual charging curve.

What you can do

• Pick your car from the built-in catalog (Tesla, Hyundai, Kia, Volkswagen, Audi, BMW, Renault, Peugeot, Fiat and more), or create a custom profile with your own curve. • Set start and target SoC with a slider. • Choose charger power, € / kWh rate, any session fees. • See time, cost, energy added, average and peak power.

Advanced features

• Power vs. SoC chart and cumulative energy curve • Live comparison between two different chargers • Save scenarios, mark favorites, share with one tap • Home screen widget (3 sizes) to always see your last estimate • Apple Watch companion app synced with the iPhone • Live Activity on iPhone Dynamic Island during an active charge

Privacy-first

ChargeFlow works fully offline. Your vehicles, scenarios and preferences stay on your device. No account, no registration, no personal data sent anywhere.

Transparent monetization

Non-intrusive banner ads on a few screens (no interstitials). Buy "Remove Ads" once for €2.99 and they're gone.

Download it and find out what you're about to spend — before you plug in.