The disadvantage of most online apps is that they need a decent and reliable internet connection. When you don’t have one, the app is likely to be slower and less responsive. So, why be less responsive? It works online and offline in both modes.
Relying on pen and paper has become old, taking orders on mobile phones and sending POS directly to the kitchen make that work more easy and quick.
Versatile things are more attractive and catchy, manage more than one table at a time and can send multiple orders to multiple kitchens.