Calculators & Checklists
Decision tools for expats and students: estimate costs, compare options, and plan key deadlines.
Decision Studio
What do you want to solve today?
Pick an intent and jump directly to the right tool lane. No browsing maze, just action.
Mobility Now
Real-time travel choices for late returns and weekend escapes.
Last Train Home + Weekend Escape Finder
Built for students, young professionals, and locals: find your safest late return option and discover weekend trips ranked by time, weather, and practical budget fit.
Ticket Cost Comparison
Compare single-ticket costs with a monthly subscription.
Money & Cost Planning
Estimate net income, rent pressure, tax upside, and runway in one sequence.
Gross-to-Net + City Surplus Calculator
Estimate monthly net income and compare your remaining monthly budget across two German cities. Presets are editable planning values.
Orientation only. Tax and net income are estimated with simplified assumptions and do not replace payroll or tax advisor calculations.
Warmmiete Ratio
Check how much of your net income goes to warm rent.
Tax Return Savings Estimator
Estimate how much you could save by filing a voluntary tax return.
Emergency Fund Runway
Check how many months your savings can cover essentials.
Admin & Deadline Safety
Plan move-in costs, permits, and mandatory account requirements without missing deadlines.
Move-In Budget Planner
Estimate your upfront housing cash need: deposit, first month, and setup.
Permit Timeline Planner
Set your latest safe start date for renewal appointments.
Blocked Account Planner
Helpful for student visa prep: estimate required amount and funding gap.