Obolus is modular. You can use each app individually, but they work best together: Your net income from the Tax App flows into your Budget. Your surplus from the Budget flows into the Investment Simulation.
No! Privacy is our top priority. All calculations take place locally in your browser. No data is stored on our servers.
Yes. All tools are currently completely free to use and require no registration.
Yes. For Germany, it is based on the current draft by the Ministry of Finance. For all other countries (US, UK, etc.), we use the latest available 2026 tax brackets and regulations.
Currently, we support tax systems for Germany (including 2026 update), Austria, Switzerland, USA, UK, Canada, Australia, and Ireland.
We use the latest tax guidelines (e.g., IRS for USA, HMRC for UK). Note that local municipal taxes or specific state taxes are mapped as averages depending on the complexity.
No. The calculations are for guidance and international comparison only. For binding information, please consult a local tax advisor or the respective authorities.
Yes. You can save calculations locally in your browser or export them as PDF or CSV for future use.
TaxCompare allows you to translate a gross salary from one country into the net equivalent of another. This shows you instantly where you keep more purchasing power after taxes.
The current version focuses on the tax burden. We are already working on integrating Purchasing Power Parities (PPP) to make the comparison even more realistic.
Primarily for expats, digital nomads, and professionals deciding which country to choose for their next career move.
Integration. You don't need to type in your salaryโjust import it. Plus, it automatically calculates your free capital for investments.
Yes. You can flexibly manage providers (e.g., Netflix) and categories (e.g., Entertainment).
Instead of guessing a flat 7% return, we simulate thousands of possible market futures. This shows you not just the potential profit, but also the risk.
Yes. The simulator accounts for German capital gains tax (Abgeltungsteuer), solidarity surcharge, and tax exemptions.
The Monte Carlo model simulates thousands of possible future paths to estimate probabilities for returns and risks.
Yes. The simulator takes into account dividend allowances, capital gains tax, automatic reinvestment, and tax deferral effects for accumulating funds.