True

Dutch tax and wealth tracking, all in one place.

True is the only app that combines complete wealth tracking with full Dutch tax calculations — Box 1 (income), Box 2 (substantial interest), and Box 3 (wealth tax). Useful for expats and residents alike.

All data stays on your device. No cloud sync, no accounts, no tracking. PIN-secured and GDPR-compliant.

• Box 1, 2 & 3 tax calculations
• Track real estate, investments, savings, crypto, pensions, mortgages and debts
• Tax Impact 2028 — model the upcoming Box 3 real-return reform
• FIRE calculator, Rent vs Buy, Scenario Planner and more
• Dutch-specific: 30% ruling, WOZ values, fiscal partnerships, DUO loans
• Inheritance tax (erfbelasting) calculator
• Export PDF/CSV and encrypted .tru backups
• Free to start · 4.99 EUR/year or 29.99 EUR lifetime for full access