Ostrando: German Letter AI

AstroSync

In-app purchases

About this app

Got a letter from the Finanzamt, Ausländerbehörde, or Krankenkasse — and have no idea what it means or what to do next?

Ostrando photographs your German official letter and gives you a plain-language explanation in seconds. No German fluency needed. No lawyer required. Free.

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🔍 HOW IT WORKS

1. Photograph the letter with your phone camera
2. Ostrando reads the text on your device (no photo is ever uploaded)
3. Get a clear plain-English summary: who sent it, what they want, and what happens if you ignore it
4. See the Widerspruch or Einspruch deadline with the exact quoted sentence from the letter
5. Confirm the deadline, set a reminder, and optionally draft a compliant response

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🔒 YOUR PRIVACY IS THE ARCHITECTURE

Unlike pasting a letter into ChatGPT, Ostrando never uploads your photo. All OCR runs on your device via Google ML Kit. Before any text is sent for analysis, Ostrando automatically redacts your Steuer-ID, IBAN, Aktenzeichen, name, and address — replacing them with anonymous placeholders. The photo never leaves your phone.

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📋 KEY FEATURES

• Plain-language explanation in German, English, or Polish
• Automatic Widerspruch / Einspruch deadline extraction
• Source-sentence citation — see exactly where the deadline was found
• 1 free reminder per deadline, forever
• Local letter vault — every scan stored on your device, yours forever
• Leichte Sprache mode — enlarged text, simplified sentences
• No account required, no credit card

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⏱ WHY THE DEADLINE MATTERS

A Widerspruch against most German administrative decisions must be filed within 4 weeks of receipt. An Einspruch against a Finanzamt decision (§347 Abgabenordnung) is also 4 weeks. Miss the deadline and the decision becomes legally binding — even if it contains errors. Ostrando extracts this date automatically and sends escalating reminders so you never miss it.

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💎 OSTRANDO PLUS (optional upgrade)

Free forever for 2 scans/month. Upgrade to Plus for:
• Unlimited letter scans
• Escalating 5-step reminders (14 · 7 · 3 · 1 days · morning of)
• Response drafting: Widerspruch, Einspruch, Fristverlängerung templates
• PDF export pre-filled with your Aktenzeichen and recipient address
• Deadline calendar across all your cases

€5.99/month or €39.99/year (= €3.33/month). Cancel anytime — your vault and free reminders stay yours.

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Works with letters from: Finanzamt · Ausländerbehörde · Krankenkasse · Jobcenter · Rentenversicherung · Rundfunkbeitrag · and most other German Behörden.

Output language: German · English · Polish.
Requires Android 8.0+. No account needed.

Template drafts are for informational purposes only — not legal advice (Rechtsdienstleistungsgesetz, RDG).

What’s new

Ostrando is a German bureaucracy AI companion app for Android. You photograph any official German letter — from the Finanzamt (tax office), Ausländerbehörde (immigration authority), Krankenkasse (health insurance), or Jobcenter — and Ostrando explains it in plain language, automatically extracts the relevant Widerspruch or Einspruch deadline, and drafts a compliant response template. It is designed for the 12 million foreign residents of Germany and for anyone overwhelmed by Amtsdeutsch.