C
Cerfio1
🇫🇷FR
Pratique au quotidien
Cette application m’a permis de mieux voir mes budgets. J’aime bien la nouvelle fonctionnalité de convertir les devises. Très pratique pour voyager à l’étranger.😁
Version 1.6 out now
Know what you really have left each month.
NETbudget computes your disposable income, applies the 50/30/20 rule and gives tailored advice. 100% on your phone — no account, no cloud, no ads.
Free. No ads. No data leaves your device.
Capture à venir
/screens/hero.png 8
languages
15
currencies
558
cities
59
countries
App preview
Designed to get to the point
Three tabs, zero friction. Compute your budget, convert currencies, tune your preferences.
Capture à venir
/screens/budget.png 
Capture à venir
/screens/converter.png 
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/screens/settings.png Built for real life
Everything that matters on a single screen
Enter your income, rent, loans and expenses. NETbudget handles the rest.
Multiple income sources
Salary, freelance, rental, dividends… Each source has its own status and contribution rate.
50 / 30 / 20 rule
Your spending is split across Needs, Wants and Savings so you can immediately see where to act.
23 personalised tips
Debt ceiling 35%, rent ≤ 1/3 of net, 3-6 months emergency fund, investor profile — all based on your real numbers.
Worldwide coverage
558 cities across 59 countries, each with a cost-of-living index normalised to the country's national average.
Currency converter
15 currencies (USD, EUR, GBP, JPY, CFA franc, BRL, INR…) with live FX rates and conversion history.
Instant visualisation
A donut chart of your expenses and a 12-month projection with annual totals.
Clean PDF export
A clear document with totals, breakdown and advice, exported in your chosen language.
8 fully translated languages
French, English, Spanish, Portuguese, German, Italian, Arabic and Japanese — UI, advice and PDF report.
100% on-device
No data leaves your phone. No account. No tracking. No ads.
Version 1.6
The big international update
NETbudget moves from a French budgeting companion to a worldwide tool — without compromising on privacy.
- 1
8 fully translated languages
French, English, Spanish, Portuguese, German, Italian, Arabic and Japanese.
- 2
558 cities / 59 countries
Two-step picker: pick your country, then your city grouped by region.
- 3
Currency converter
15 currencies with live exchange rates and history.
- 4
Clickable public sources
Numbeo, Eurostat, OECD, INSEE, Mercer, EIU, World Bank, BLS.
- 5
Tab-based navigation
Budget, Converter and Settings — one tap to switch.
- 6
Translated advice
23 personalised tip cards translated across all 8 languages.
They use NETbudget
What users say
Public reviews pulled directly from the App Store, refreshed at every site build.
P
Paulotak
🇫🇷FR
Agréablement, surpris
Superbe application très ergonomique, et surtout avec une interface intéressante sans être trop surchargé, franchement ce site m’a permis de voir et de gérer plus mes dépenses. Je recommande fortement.
E
Elisabeth Q
🇫🇷FR
Super pour une débutante
Je suis débutante en budgétisation et ça m’aide à y voir plus clair. L’app est facile à utiliser, facile à comprendre. Je recommande.
Privacy by default
Your data stays on your phone
NETbudget runs entirely offline. No account to create, no server storing your finances, no tracking. The only network call is for currency rates (one request every 6 hours).
No account required
No data sent anywhere
No ads, no trackers
Source code available on request
Behind the app
Stéphane Pizeuil
Indie maker · Software engineer
I designed, built and launched NETbudget on my own. The goal: a simple, honest personal-budgeting tool that respects your privacy and works anywhere in the world. No hidden business model — no ads, no data selling, no subscription.
Solo maker On the App Store 100% independent
Ready to take back control of your money?
Download NETbudget and count your disposable income in under 5 minutes.
Download on the App Store"You may say to yourself, 'My power and the strength of my hands have produced this wealth for me.' But remember the LORD your God, for it is he who gives you the ability to produce wealth, and so confirms his covenant, which he swore to your ancestors, as it is today."