FairWatt
EV Charging & Bill Calculator
Only for iPhone
$0.99 · Designed for iPhone. Not verified for macOS.
iPhone
Track your exact EV home charging costs, log the sessions effortlessly, and easily split utility bills with roommates. Take control of your energy expenses today!
Take complete control of your EV charging expenses at home with FairWatt—the straightforward, privacy-focused charge tracker and utility cost calculator designed for electric vehicle owners.
Stop guessing how much plugging in actually adds to your monthly power bill. Whether you live in a shared home with roommates, manage split utility accounts, or simply want full visibility into your energy footprint, FairWatt makes tracking charging costs accurate and completely hassle-free.
KEY FEATURES:
• ACCURATE CHARGE COST CALCULATOR
Calculate exact charging session costs based on your specific battery capacity, charging efficiency factor (wall-to-battery losses), and peak or off-peak utility electricity rates.
• LOG & TRACK CHARGING HISTORY
Keep a clear, detailed history of all your charging sessions. Review total kWh drawn, exact dollar amounts spent, and aggregate historical totals across billing cycles.
• FAIR UTILITY BILL SPLITTING
Split household energy costs with precision. FairWatt calculates and isolates EV power consumption from general household electricity, making roomie reimbursements fast, clear, and fair.
• EXPORT & SHARE RECEIPT CARDS
Generate beautiful, clean summary receipt cards for individual charging sessions or billing cycles to share directly with housemates or keep for personal records.
• PRIVACY-FIRST & UNCLUTTERED
No ads, no subscriptions, no account creation, and no tracking. All your data stays locally on your device.
FairWatt delivers the clarity you need to charge smart and track every dollar.
Ratings & Reviews
- This app hasn’t received enough ratings or reviews to display an overview.
The developer, James Liessmann, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Not Collected
The developer does not collect any data from this app.
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- James Liessmann
- Size
- 2 MB
- Category
- Utilities
- Compatibility
Requires iOS 26.5 or later.
- iPhone
Requires iOS 26.5 or later. - Mac
Requires macOS 26.5 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 26.5 or later.
- iPhone
- Languages
- English
- Age Rating
4+
- 4+
- Copyright
- © 2026 James Liessmann
