Skatteverket is a free Android app developed by Skatteverket that simplifies tax returns for Swedish citizens. With this app, you can easily approve your tax declaration, claim travel deductions, and check how much tax you have to pay or how much refund you will receive.

The app's interface is user-friendly and easy to navigate, making it simple for even those who are not tech-savvy to use. The app is very convenient, as you can complete your tax returns from anywhere and at any time. Overall, Skatteverket is an excellent app for anyone living in Sweden who wants to simplify their tax returns.