The Kantar NipoBase App is a free-to-use Android application developed by Kantar TNS NIPO B.V. for participants in NIPObase to fill out questionnaires on their mobile devices. With this app, you can easily check which questionnaires are ready for you, fill them in, and determine whether you are eligible for a multiplication of your Nipoints by using the "wheel" feature.

Apart from filling out questionnaires, the app also allows you to view your account information, check which questionnaires are ready for you, view your Nipoints balance, and receive notifications when new questionnaires are available. The app is regularly updated to improve the user experience and functionality.

Overall, the Kantar NipoBase App is a useful tool for NIPObase participants who want to fill out questionnaires on the go, with the added benefit of potentially increasing their Nipoints. The app's interface is straightforward and easy to use, making it accessible for all users.