WISO Steuer – Tax Declaration
WISO Steuer – Tax Declaration Summary
WISO Steuer – Tax Declaration is a mobile Android app in Finance by Buhl Data Service GmbH. Released in Jun 2020 (5 years ago). It has about 2.4M+ installs and 54.2K ratings with a 4.74★ (excellent) average. Based on AppGoblin estimates, it reaches roughly 112.4K monthly active users . Store metadata: updated Mar 4, 2026, version 13066.
Recent activity: 13K installs this week (60K over 4 weeks) showing above average growth , and 622 new ratings this week View trends →
Data tracking: SDKs and third-party integrations were last analyzed on Feb 18, 2026. The app's network data flows (API traffic to/from the app and its SDKs) were last crawled on Jan 15, 2026.
Store info: Last updated on Google Play on Mar 4, 2026 (version 13066).
WISO Steuer – Tax Declaration was last scanned for SDKs 2026-02-18. Below is the overview of third party companies detected in the app. The full list of raw SDKs, app permissions and unknown SDKs is available here.
Square
Kotlin
BouncyCastle
Bumptech
AppsFlyer
Firebase
Google
UserCentrics4.74★
Ratings: 54.2K
Screenshots
App Description
The popular ELSTER alternative with an average tax refund of 1,674 Euro!
The best tax app for your German taxes: get an average of 1,674 Euro tax refund. Why waste 600 Euro? The German average tax refund is 1,051 Euro. With WISO Steuer it’s 1,674 Euro.
The power-update for your taxes: Germany's most popular tax software is now also available as an app. WISO Steuer is the only tax app that covers all income taxes. For students, employees, capital investors, pensions, self-employment and for you! The app is currently only available in German.
Hours and hours of filling out forms and racking your brain about correctness: WISO Steuer got it: simply answer short questions and send the tax declaration digitally to the tax office – without any paper forms. The best choice for everyone that wants to secure the optimal tax return.
Risk-free trial
Simply download the app and try it! You will only pay a small fee if sending your taxes to the tax office.
Fill your taxes automatically
WISO Steuer is the only app with the clever feature „Steuer-Abruf“. It automatically enters a lot of information into your tax declaration. That makes doing the taxes quicker and also easier. You will save time and there is no risk of filling out tax forms the wrong way. Taxes have never been this simple!
Precise tax calculation
With WISO Steuer you will get the maximum tax refund! After each entry the app calculates your tax return.
File your taxes – 100 % digital
With WISO Steuer you can file your taxes completely without paper or paper forms. Your information is sent to your tax office fully digital, with ELSTER.
WISO Steuer – fair pricing
Download the app for free. You can check your tax return without paying. Only when you send your taxes to the tax office you pay for the service. No hidden costs – completely fair.
File your taxes – on all devices
With WISO Steuer and your Buhl account you can file your taxes on all your devices: smartphone, tablet and PC or Mac. With this clever tax app, you will be finished in no time.
One account connecting it all
Are you using WISO Steuer on a PC or Mac? And you are still saving your tax declarations on your local computer storage? Simply save the files in the WISO Steuer cloud instead. 100 % safe and always updated. This way, you only sign in with your account to access your tax declarations on your smartphone. Switch easily from computer to smartphone and back again