Tools we built for ourselves.
Each one came from a question we had at home that no site answered properly. Free, no sign-up, no account — and one tool per page, so you get straight to it.
🏡For the family
What comes back every week at home: money, screens, lessons.
Pocket money guide
How much to give, at what age, and how to split it between spend, save and give.
Open New 📱Screen-time budget
A weekly budget per child, shared out together — instead of arguing every single day.
Open 🤰Pregnancy calculator
Due date, weeks of pregnancy, current trimester and days to go.
Open 🎨Learning posters
Give a lesson and an age, the AI draws a printable poster in French.
Open🌴Living in Réunion
What you learn living on a tropical island, and forget between two seasons.
💼Work & income
The two numbers that decide whether you can live off your own work.
The numbers are clear. Now what?
A calculator tells you where you stand, not how to get there. The method to build an income with AI — even without coding — is on demar.re.