Cash is still king outside Metro Manila. Download GCash before you go but always carry pesos as a backup. English is widely spoken, so language apps are optional, but navigation apps are a must given Manila's notoriously unpredictable traffic.
Payment & Finance Apps
GCash
Essential
The Philippines' leading mobile wallet, accepted at convenience stores, markets, and restaurants via QR code.
Pro tip: Foreigners can register with a valid passport and local SIM. Get a prepaid SIM first, then set up GCash.