Several homes, several meters
House, flat, holiday home: organise your cold and hot water meters per property.
7-day free trial · no commitment
Keep an eye on every drop.
Mon Carnet d'Eau helps you read your meters, visualise your consumption and spot leaks before they get expensive.
Everything you need to master your water
Built for households, multi-property owners and tenants.
Readings in 10 seconds
Enter the index, attach a photo of the meter and a note. The app computes consumption and daily rate.
Leak & anomaly detection
Consumption spikes, suspected leaks, inconsistent indexes: you get notified immediately.
Clear statistics
Monthly and yearly charts, comparison with the previous period, daily average per meter.
Smart reminders
Schedule a weekly, monthly or quarterly reminder: never miss a reading again.
Synced everywhere
iOS / Android mobile app and web version: your data is always up to date, wherever you are.
An app that makes water readable
Clear visuals, useful alerts, zero hassle.
12-month consumption
Your consumption, month by month
Every reading feeds a crystal-clear chart. Compare months, spot the heavy seasons and track your progress.
- Statistics and comparisons
- Clear statistics
12-month consumption
0,0 m³
Leak detection
Leaks caught before the bill
Abnormal consumption across several readings? The app warns you right away, with the meter concerned and the gap versus your average.
- Leak & anomaly detection
- Anomaly detection and alerts
Leak detection
Garden · cold water
×2.4
vs. your average
3 consecutive readings above threshold
Reminders
Reminders at the right time
Weekly, monthly or quarterly: pick the rhythm and the app reminds you. No more gaps in your history.
- Smart reminders
- Push reminders
09:00Every 1st of the month · 9:00
Meter readingnow
Time to read "Kitchen" (Main home).
Every 1st of the month · 9:00
Multiple homes
All your homes, one notebook
Main residence, rented flat, holiday home: each property has its own meters, readings and statistics.
- Unlimited homes and meters
- Several homes, several meters
Main home3 meters
Flat1 meters
Holiday home2 meters
Web
On the web too, same account
Open your dashboard in the browser: perfect for entering several readings in a row or viewing your statistics on a big screen.
Open the web versionHow it works
Three steps and your water notebook is up and running.
-
Add your homes and meters
Name them, pick a colour, enter the starting index.
-
Take a reading in 10 seconds
Type the index, add a photo if you like. The rest is calculated.
-
Track, compare, get alerted
Charts, comparisons and leak alerts: everything updates automatically.
Simple, transparent pricing
Start with a 7-day free trial. No commitment, cancel anytime.
Monthly
0,99 €/ month
All features, billed monthly.
- Unlimited homes and meters
- Reading photos
- Anomaly detection and alerts
- Statistics and comparisons
- Push reminders
- Mobile + web sync
Yearly
9,99 €/ year
All features, 2 months free.
- Unlimited homes and meters
- Reading photos
- Anomaly detection and alerts
- Statistics and comparisons
- Push reminders
- Mobile + web sync
Lifetime
34,99 €one-time payment
Pay once, enjoy forever, updates included.
- Unlimited homes and meters
- Reading photos
- Anomaly detection and alerts
- Statistics and comparisons
- Push reminders
- Mobile + web sync
7-day free trial included
Frequently asked questions
Everything you want to know before getting started.
Is the free trial really commitment-free?
Yes. You get 7 days with every feature unlocked. You are only charged at the end of the trial if you do not cancel, and you can cancel any time from your store settings.
How do I cancel my subscription?
Subscriptions are managed directly in the App Store or Google Play. Cancellation takes effect at the end of the current period, with no extra fees.
Where is my data stored and is it GDPR compliant?
Your data is hosted in France (OVH), encrypted in transit and never sold. You can export or delete your account at any time, in line with the GDPR.
Can I track several homes and meters?
Yes, without limits: main home, flat, holiday house, cold and hot water meters… each with its own readings, statistics and reminders.
Which languages is the app available in?
Mon Carnet d'Eau is available in French, English, Italian and Dutch, on iOS, Android and the web.
Ready to keep an eye on every drop?
7-day free trial, no commitment. Available on iOS, Android and the web.