Almost every "I got lost / couldn't find it / panicked at the airport" travel story has the same root cause: the information was online, and the traveller wasn't. The fix is simple and free — move what you'll need onto your phone before you leave, while you still have fast, free Wi-Fi at home. Here's the toolkit worth assembling for any trip.
Offline maps
Your single most important download. Save the city and surrounding region so you can navigate with no data — GPS works offline, so you'll still see yourself moving on the map. Drop pins on your hotel, key stations, and anywhere you've booked, so they're findable even with the network off.
A guide for where you're going
The local know-how that turns "lost tourist" into "knows what they're doing" — tipping, customs, transport, safety, what's worth your time. Roam's on-device AI guide answers questions like "is the tap water safe here?" or "how do I pay for the metro?" even in airplane mode, because everything runs on your phone.
A phrasebook with pronunciation
Pre-load the greetings, the politenesses, and your safety phrases — and make sure it shows you how to say them, not just spell them. Glance at the relevant set before you'll need it (restaurant phrases before dinner, transit phrases before the station).
Country essentials
Have the boring-but-vital facts saved offline: emergency number, currency and a rough conversion, plug type, and today's exchange rate. These barely change, so a saved copy is all you need — no signal required to glance at it.
Documents & bookings
Screenshot everything that matters — flight and hotel confirmations, addresses in the local script to show a taxi driver, ticket QR codes, and a photo of your passport. A screenshot opens instantly with no network, and a saved address in the local language beats trying to pronounce it.
The principle: if a tool needs to phone home to work, it'll fail you exactly when you're offline. Favour anything that stores its data on the device — and check that the download actually finished before you fly.
The pre-trip checklist
Run through this the night before you travel, on Wi-Fi:
Download & install
- Offline maps for every city and region on the route
- Your travel guide and any translation language packs
- Phrasebook for the local language, pre-loaded
Save offline
- Flight, hotel and tour confirmations (screenshots)
- Addresses in the local script + a photo of your passport
- Emergency number, currency, plug type, exchange rate
Power & settings
- Phone fully charged, power bank packed
- Plug adapter for the destination
- Know how to toggle airplane mode to save battery and data
Tick those off and you can land anywhere, switch on airplane mode, and still have everything you need in your pocket. That's the whole trick to travelling light and worry-free.