Latvia uses the Euro and card payments are widely accepted. Bolt is the dominant ride-hailing app. Avoid unmetered street taxis which can overcharge tourists. English is widely spoken in Riga but less so in rural areas.
Widely used across Latvia for fee-free spending in Euros and instant transfers.
These apps need data
Guac eSIM covers Latvia with plans from $1.50 per GB. Install it before you land and activate instantly.