Your energy snapshot
See totals, spikes, and what is due soon — at a glance.
Unusual cost spikes
Coming due
Tips for you
All utility bills
Search, filter, and manage every bill you track.
Cost insights
Compare spending by utility, spot spikes, and plan ahead.
Spending by utility type
Totals for all recorded bills.
Last 6 months (paid + unpaid)
Spike details
Personalized savings tips
Reminders
In-app due dates and follow-ups. This app works offline and cannot send phone notifications — check this list when you open BillWatch.
Active reminders
Dismissed (this session)
Settings & data
Sample data, backup, and privacy. Everything stays on this device.
Sample data
Load realistic example bills to explore the app. You can remove them later without deleting your own bills.
Backup
Download a JSON file of your bills, or restore from a previous backup. Restoring replaces all bills currently stored.
Clear all data
Permanently delete every bill stored in this browser. This cannot be undone.
About
BillWatch Energy helps homeowners on fixed incomes track utility costs, notice unusual spikes, and act early. No account required. No data leaves this device.