Android · Free · Local-first

Your prepaid meter,
finally tracked.

Log readings, monitor usage trends, and manage multiple electricity meters — stored privately on your device. No account. No internet required.

Get it on Google Play
No account required
Works offline
Free forever
Settings Watts dashboard CSV Export
Features

Everything you need.
Nothing you don't.

Built lean. Works fully offline. No subscription, no signup, no server — just your data, on your device.

Multiple Meters

Track as many prepaid electricity meters as you need — home, office, rental properties, all in one place.

Usage History

Log every reading and top-up. Visualise trends across days, weeks and months with clean charts.

CSV Export & Import

Export your full history as a CSV. Back up to your drive, or import data when switching devices.

Local First

All your data lives on your device in SQLite. No accounts, no cloud sync, no internet ever required.

Instant Loading

SQLite-powered storage means everything loads immediately. No spinners, no loading screens.

Dark Theme

A refined Midnight Amber design — clearly readable and easy on the eyes at any time of day.

Screenshots

See it in action.

Dashboard
Dashboard
Settings
Settings
CSV Export
CSV Export
Your Details
Your Details

Your data never leaves your device.

Watts collects zero personal information. There are no servers, no analytics, no ads, no tracking. Your meter readings, top-up history, and usage data are stored exclusively in local SQLite on your Android device.

No data collected
No account
No ads
No internet needed