Atlas — explained briefly and honestly.

Currently: completely free. All indicators, all tools, full postal-code export and the workspace are free, no payment. You don't need a login to explore; for the personal workspace (save cell bookmarks, postal-code configs, comparison snapshots, up to 20 per type) a magic-link sign-in is enough.

The only exception: 14 specially protected indicators (religion, origin, electoral parties — Art. 9 GDPR) are free too, but unlocked only after a short manual review (click a 🔒 indicator).

If we introduce paid options later, we will announce it transparently and in good time.

Seven primary data sources, all freely licensed (DL-DE 2.0 or ODbL):

• Census 2022 — 1 km grid with 210,556 populated cells: population + housing + heating + religion.
• INKAR 2025 — 508 indicators across 400 districts with 10-year time series.
• destatis — ~1,700 tables from official statistics.
• Federal Returning Officer — federal, European and state elections.
• BKG — official administrative boundaries (VG250).
• OpenStreetMap — around 893,000 points of interest (15 categories), ~454,000 with a full address.
• Wegweiser Kommune (Bertelsmann) — social and economic indicators at district level.

The glossary explains terms and source details.

Germany has 400 districts — but the methodology-validation backtest runs on 399, because it needs real vehicle-registration figures per district. Trier-Saarburg has no registration office of its own: its vehicles are registered via the city of Trier and only appear there in the registration statistics. So this one district is missing from the car data — all other 399 are fully included.

The maps, postal-code profiles and all other indicators still cover all 400 districts.

All Atlas data is aggregated and not personally identifiable:

• 1km cells: destatis uses the SAFE method, which suppresses or alters values in cells with few people — individuals cannot be identified.
• Indicators under Art. 9 GDPR (religion, origin, political opinion) are additionally removed from the JSON in the Free view — nginx blocks direct access to the Pro data file with HTTP 404.
• Tracking: anonymous session ID only, no IP, no user agent, no cookie.
• Personal workspace: magic-link cookie (HttpOnly, 30d) + JSON items in Postgres on a server in Germany (netcup, Nuremberg).

Full text: privacy policy.

Yes, in two places:

• Postal-code export tool: CSV lists in Google Ads Editor format or generic, with your filters (demographics, heating, migration etc.) — fits straight into Meta Ads Manager / Google Ads / email newsletters.
• Workspace: you can delete your saved configurations at any time or have them exported to you by account email (on request to beratung@kaatai.de — a direct export feature is coming in phase 2).

Bulk scraping of the raw data is NOT permitted and is blocked by nginx patterns. If you want to work with the 128 MB cell JSON, you can unlock the protected Art. 9 indicators for free via the 🔒 form in the tool (click a 🔒 indicator on atlas.kaatai.de).

We use magic-link auth — no password needed:

1. In the 1km atlas, click Sign in at the top right, or go directly to /dashboard.html.
2. Enter your email address and request a login link.
3. The email arrives within seconds — the link contains a one-time token (valid 15 minutes).
4. Click it → you land signed in to Atlas.
5. The session lasts 30 days (HttpOnly cookie, secure).

Pro indicators (religion / origin / political parties) additionally require manual approval after clicking 🔒 → 6-field form → email to info@kaatai.de.