Free to use — no subscriptions, no ads

Keep an eye on every kilowatt-hour.

CoMon helps you track your electricity, gas and water meters, log readings, and stay on top of your supplier contracts — all in one place.

Everything you need, nothing you don't

Focus on understanding your consumption — the app takes care of the bookkeeping.

Manage your meters

Add devices for electricity, gas or water and keep all their identifiers and attributes in one tidy place.

Log readings

Record meter readings as often as you like and watch the usage history build up over time.

Track contracts

Provider, contract number, pricing, run-time — always know which contract is currently active.

See the trends

Daily averages and end-of-period projections help you spot anomalies before the next bill arrives.

A clear picture, every screen

The app keeps the data dense and the UI calm.

#01 · Dashboard

Dashboard

Your customizable overview with key stats and recent activity.

Screenshot placeholder · Dashboard

#02 · Devices

Devices

All your meters in one searchable list, filterable by type.

Screenshot placeholder · Devices

#03 · Reading history

Reading history

A chart of every reading, with usage averages and forecasts.

Screenshot placeholder · Reading history

#04 · Contracts

Contracts

Active, expired and upcoming contracts grouped per device.

Screenshot placeholder · Contracts

A clear picture, every screen

Scroll to see every section come alive.

01 · Dashboard

Your customizable overview with key stats and recent activity.

Drop a video at public/videos/screens.mp4 to enable scroll scrubbing

Dashboard

Three steps to get going

1

Create an account

Sign up in seconds — passkeys and two-factor authentication are supported out of the box.

2

Add your meters & contracts

Quick forms guide you through adding each device and linking it to a supplier contract.

3

Log readings, watch trends

Drop in a value whenever you read your meter. The app handles the rest.

Start tracking today

CoMon is free to use. No accounts to upgrade, no feature gates — just a clean tool you can actually rely on.

Get started