Track Every Charge. Understand Your Electric Car.

WattMate helps you monitor charging sessions, electricity costs, battery health, and real-world energy consumption for any EV.

1,289+
Electric Vehicles
66
Manufacturers
20
Currencies
WattMate Dashboard

Everything You Need to Track Your EV

Comprehensive tools to monitor your charging sessions, costs, and battery health all in one app.

Charging Session Tracker

Log every session with kWh, duration, cost, SOC, and charging type (AC/DC).

Real Consumption Analysis

Compare real-world consumption vs car-reported values. See true energy usage including charging losses.

Battery Health Monitor

Track estimated battery capacity over time. Understand degradation trends and predicted range.

Cost Calculator

Monitor monthly expenses, price per kWh, and cost per 100 km. Optimize your charging strategy.

Multi-Vehicle Support

Track multiple EVs in one app. Each vehicle has its own statistics, units, and currency.

1,289+ EV Database

66 manufacturers with auto-filled battery specs. Select your car or add a custom vehicle.

See WattMate in Action

A beautiful, intuitive interface designed for EV owners.

Swipe to see more screenshots

Simple, Transparent Pricing

Start free. Upgrade only when you need it.

Free

Free

Get started with basic tracking

  • 1 Vehicle
  • 15 Charging Sessions
  • All Core Features
  • Cloud Sync
  • CSV Export/Import
  • Priority Support
Most Popular

Premium

€0.99/month

or €8.49/year (save 30%)

  • Unlimited Vehicles
  • Unlimited Sessions
  • All Core Features
  • Cloud Sync
  • CSV Export/Import
  • Priority Support

Frequently Asked Questions

Everything you need to know about WattMate.

WattMate is an EV charging tracker app that helps you monitor charging sessions, costs, battery health, and real-world energy consumption for any electric vehicle.
Simply tap the + button, enter your odometer reading, SOC levels, energy charged, and cost. WattMate calculates efficiency, charging loss, and cost per kWh automatically.
Charging loss is the energy lost during charging due to heat and conversion inefficiencies. Typically 10-20% for AC and 5-15% for DC. WattMate helps you track this to understand your true energy costs.
WattMate supports 1,289+ EVs from 66 manufacturers including Tesla, BMW, Volkswagen, Hyundai, Kia, Audi, Mercedes, Nissan, and more. You can also add custom vehicles.
Yes. Your data is stored securely with Firebase, synced across devices, and you can export it anytime as CSV. We never share your personal data.
Free includes 1 vehicle and 15 sessions with all features. Premium unlocks unlimited vehicles, unlimited sessions, and priority support for €0.99/month or €8.49/year.
WattMate is currently Android-only. iOS version is coming soon!

Ready to Track Smarter?

Join thousands of EV owners who use WattMate to understand their charging costs, monitor battery health, and optimize their electric driving experience.

Free to download. No credit card required.