Currently, the app is available for smartphones and tablets equipped with a camera and running the following operating systems:
- iOS 8 or later
- Android 4.0 or later
- Windows Phone 8.1 and 10.
Note: The Bancontact app can only be used with published operating systems, not with beta versions.
https://www.bancontact.com/en/faq/can-i-use-the-bancontact-app-on-any-device-v1