Kostenx gives you a complete picture of your finances — track expenses, set budgets, follow every account balance, and make smarter decisions every day.
Today
$24.50
2 expenses
This Week
$142.30
↑ 12% vs last week
This Month
$847.90
68% of budget used
All Time
$12,480
Since Jan 2024
Daily Spending — Last 30 Days
By Category
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EU data protection
Bank-grade encryption
AES-256 at rest, TLS 1.3 in transit
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Multi-currency
40+ supported
Free to start
No credit card needed
Features
Kostenx combines powerful financial tools with a clean, intuitive interface designed for real people.
Log every purchase in seconds. Auto-categorize spending across 8 categories with powerful search and date filters.
Beautiful real-time charts reveal exactly where your money goes. Spot patterns and cut wasteful spending effortlessly.
Set monthly limits per category. Get instant visual warnings before you overspend — stay in control, every day.
Add every bank account, savings pot and card. Balances update as you log income, expenses and transfers.
Export your full expense history to CSV anytime. Perfect for accountants, tax returns, or personal audits.
Manage expenses in any currency. Perfect for travelers, remote workers, and international households.
How it works
No learning curve. Just open Kostenx and start tracking.
Sign up free in under 30 seconds. No credit card required.
Log purchases manually or link your bank accounts for automatic tracking.
Define monthly limits per category and let Kostenx alert you before you overspend.
Watch your financial picture come alive with beautiful charts and trend reports.
Monthly Budget Overview
Budget Alert
Shopping limit reached
Budget Management
Set custom monthly budgets for every category. Kostenx tracks your spending in real time and alerts you the moment you approach your limits — before it's too late.
Global by design
Whether you're in Berlin, Boston, or Barcelona — Kostenx handles your money in your currency, your language, your timezone.
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Currencies supported
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Built-in spending categories
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Ads or data selling
Pricing
Start free. Upgrade only when you're ready.
Perfect for getting started
For serious expense tracking
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Track every euro, set smart budgets, and build better financial habits — free to start, no credit card needed.
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