Question about Philips Airfryer XXL Connected HD9880/90

Apart from the extra thermometer, is the HD9876/20 more technologically advanced and which model is better?

Please contact our customer service team directly for product advice. You can find the contact via our Galaxus assistant: https://www.galaxus.ch/help

Yes, you can use the appliance without the app. It has automatic programmes and a screen for direct manual settings.