Switzerland runs on its own ecosystem. TWINT for payments and SBB Mobile for transport are non-negotiable. Uber and Bolt exist but are pricier than elsewhere; the world-class public transit network is almost always the better option.
Switzerland's dominant mobile payment app, accepted at virtually every shop, market stall, vending machine, and parking meter via QR code.
These apps need data
Guac eSIM covers Switzerland with plans from $1.50 per GB. Install it before you land and activate instantly.