Privacy Policy
Last updated 20 July 2026
Batzen is a personal finance tracker. This page explains what we collect, why, where it lives, and how you can get it back or have it deleted. It is written in plain language and describes exactly what the product does today — not what it might do in the future.
The short version
- We never see your bank password. Batzen has no bank-account connections — you import a statement file or enter transactions yourself.
- You sign in with your existing Google or Microsoft account. We never store a password of our own.
- Your financial data is yours: you can export all of it, or permanently delete your account and everything in it, at any time from Settings.
- We don’t sell data, run ads, or share your information with data brokers.
What we collect
Account & sign-in. When you sign in with Google or Microsoft, we receive your name, email address, and profile picture from that provider. We never receive or store your Google/Microsoft password.
Financial data you provide. Accounts, transactions, budgets, categories, investment holdings, balance snapshots, recurring rules, and anything else you type in or import from a bank statement file. This data comes only from you — either typed directly or parsed from a CSV/Excel file you upload.
Investment price lookups. If you track investment holdings, we look up current prices from Yahoo Finance using the ticker symbol only — no information that identifies you is sent with that request.
Basic visitor analytics. Public pages (like this one and the roadmap) record an anonymous, cookieless daily view count so we know pages are being read. No cookies, no cross-day tracking, no personal identifiers.
Waitlist signups. If you join the early-access waitlist before signing in, we store the email address you provide, only to notify you when access opens.
What we don’t do
- We don’t connect to your bank accounts automatically. Every account and transaction gets into Batzen because you put it there — manually or via file import.
- We don’t run third-party advertising or tracking scripts.
- We don’t sell, rent, or share your financial data with anyone.
Where your data lives
Batzen is hosted on Microsoft Azure infrastructure in the EU. Your data is stored in an Azure SQL database and is only ever queried scoped to your own signed-in account — no user can see another user’s data through the product.
Who else sees it (sub-processors)
- Google and Microsoft — for sign-in only, if you choose that provider.
- Microsoft Azure — hosting and database storage.
- Yahoo Finance — ticker-symbol price lookups for investment tracking, if you use that feature.
No sub-processor receives your financial transaction data — only Azure, which stores it.
Your rights
Under the Swiss Federal Act on Data Protection (FADP) and, where applicable, the EU GDPR, you have the right to access, correct, export, and delete your data. In Batzen these are not just legal rights on paper — they’re buttons:
- Export everything. Settings → Your data lets you download a complete copy of everything you’ve entered, as JSON or CSV, at any time.
- Delete everything. Settings → Danger Zone permanently deletes your account and every row associated with it, immediately.
- Correct anything. Every account, transaction, and setting is editable in place.
You can reach these directly from Settings once signed in.
Cookies & local storage
We use one essential cookie to keep you signed in — it is required for the app to function and is not used for tracking or advertising. Your light/dark theme preference is saved in your browser’s local storage and never sent to our servers.
Changes to this policy
If this policy changes, we’ll update the date at the top of this page. Material changes will be communicated to signed-in users.
Contact
Questions about your data, or a request that isn’t covered by the Settings page above? Email dominik.gnepf@gmail.com.