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Test a decision before making it

Tools

Run focused calculators and comparisons, then carry useful results into a broader plan.

Purchase decisions

Get a full AI analysis of a wanted purchase — impact score, hidden costs, timing, and a worth-it verdict — before committing household funds.

Debt and borrowing

Explore mortgage, amortization, refinance, loan, and debt-payoff scenarios in focused calculators.

Housing comparison

Compare renting with buying using the costs and time horizon that fit the decision.

Long-range projections

Model FIRE and compound-growth scenarios with adjustable assumptions and visible projections.

Everyday calculators

Convert salary to hourly pay, currency, fuel cost, and discounts without leaving the app.

Grounded in the product

A closer look inside the app

AI purchase impact

MediumImpact 62/100

A new laptop pushes this month's discretionary spend past its usual range.

Worth it?

Reasonable if the current one is holding back work — but the timing is tight this month.

Hidden costs

  • Extended warranty
  • +€40/mo insurance
  • Setup accessories

Final decision

Wait· medium confidence

A short delay keeps this from crowding out this month's budget.

Cooling-off: 48h

FIRE calculator

Projected assets reaching the FIRE targetFIRE targetFIRENow+5y+10y+15y+20y+25y
Initial assetsContributionsEarned growthFIRE target
FIRE target
€960,000
Time to FIRE
19 yrs
Savings rate
34%