WISO Steuer – Tax Declaration is a feature-rich German tax app designed to simplify the income tax filing process for individuals from all income backgrounds. Whether you're an employee, student, retiree, investor, or self-employed, WISO Steuer streamlines tax preparation with smart automation, precise calculations, and secure digital filing. Trusted by millions and officially integrated with Germany's tax authority via ELSTER, the app ensures that users maximize their returns with minimal hassle—all without using paper forms.
Fast and Accurate Tax Filing
- Spend less time on paperwork, more time on your refund.
- Complete your full German income tax declaration by answering brief, guided questions.
- Supports all income types: employment, pensions, capital gains, business income, and more.
- No tax knowledge required—WISO Steuer walks you through each section efficiently.
- The app auto-calculates your expected refund after every input.
Auto-Fill with Tax Retrieval
- Save time and reduce errors with automatic data entry.
- Retrieve official tax data via the “Tax Retrieval” feature, unique to WISO Steuer.
- Imports pre-recorded information securely, reducing manual entry and increasing accuracy.
- Ideal for avoiding missed entries and ensuring compliance with the latest tax rules.
100% Paperless Submission via ELSTER
- Send your return directly and digitally to the Finanzamt.
- No printing, scanning, or mailing—WISO Steuer transmits your declaration securely via ELSTER.
- ELSTER integration meets national standards for German digital tax filing.
- Receive confirmation and tracking for your digital submission.
- Completely paper-free filing from preparation to submission.
Smart Multi-Device Access
- File your taxes from any device, anytime.
- Use your Buhl account to sync tax progress across PC, Mac, tablet, and smartphone.
- Easily switch between devices mid-process without losing data or progress.
- Store your tax files securely in the WISO Steuer cloud for access whenever needed.
- Automatic backups and version control for peace of mind.
Transparent and Risk-Free Pricing
- Only pay when you submit.
- The app is free to download and explore without restriction.
- View your calculated refund and preview your return at no cost.
- Only pay a one-time fee when you submit the return to the tax office.
- No hidden charges or recurring subscription traps.
Built-In Tax Compliance
- Always up to date with legal and regulatory changes.
- Official partner of Germany’s tax authority using authorized ELSTER interfaces.
- Continuously updated to reflect the latest rulings, deductions, and legal thresholds.
- Reliable data sourcing from official government resources and tax law publications.
- Ideal for compliant filing with audit-ready documentation.
Frequently Asked Questions
Q: Can I use WISO Steuer if I am self-employed or have rental income?
Yes, the app covers a wide range of income types including freelance, business, and property income.
Q: Do I need to pay before seeing my refund estimate?
No, previewing your return and refund estimate is completely free.
Q: Is it possible to file completely paperless?
Yes, all submissions are 100% digital via the ELSTER system.
Q: What is Tax Retrieval?
It’s an automated import feature that fetches official tax records for fast and accurate completion.
Q: Can I access my tax files from different devices?
Yes, all your data syncs across devices when using a Buhl account and WISO Steuer Cloud.
Q: Is the app available in English?
Currently, WISO Steuer is available only in German.
Version History
v29.05.2.7423 —— 4 Apr 2022
Simplified onboarding—easier entry for first-time tax filers.
Adjusted child benefits—updated relief amount for single parents.
Improved childcare handling—refinements for parents filing separately.
N-GRE form—ELSTER submission now enabled.
v29.05.0.7401 —— 16 Mar 2022
Same updates as v29.05.2.7423—continued enhancements for family-related tax entries and digital filing.
v29.02.1.6820 —— 7 Feb 2022
2021 tax return enabled—submission now available.
Document integration—import receipts directly from the Steuer-Box.
Dark Mode—new visual theme for comfortable viewing.
Unified settings page—all preferences in one place.
Tax guide added—comprehensive tips for optimal filing.
TÜV-certified usability—verified interface and ergonomics.
