Navigation: Maps.me
Maps.me is the offline mapping app most used by experienced South America travellers. Download the offline map for each country before you arrive (Bolivia, Peru, Colombia etc — each is a separate download of 200–600MB). The maps work without mobile data, include hiking trails, dirt roads, and remote area coverage that Google Maps offline misses, and update community-edited data that keeps routes current. Particularly valuable in the Andes and remote areas where mobile coverage is zero. Download Google Maps offline as a backup — the urban coverage is generally better but the rural and hiking trail coverage is inferior to Maps.me.
Transport: Rome2Rio and Bus Operator Apps
Rome2Rio (website and app) is the best tool for planning transport between cities in South America — it queries all transport modes (bus, flight, ferry, train) and gives realistic journey times and approximate costs. Use it for initial route planning. For booking: the Cruz del Sur app (Peru) and Berlinas del Fonce app (Colombia) allow advance bus ticket booking on the most reliable operators in each country. Redbus operates across multiple South American countries and allows multi-country bus booking in a single platform.
Ride Hailing: Uber and inDrive
Uber operates in all major South American cities and is the recommended alternative to street taxis for safety and price transparency. Where Uber is unavailable or restricted, inDrive (formerly InDriver) covers many Latin American cities and allows you to name your price. Cabify is a third option operating in several countries. Download all three before departure — availability varies by city and changes frequently. In cities where all three are restricted (some Brazilian cities have periodic Uber restrictions), Beat and 99 are local alternatives.
Currency: XE Currency
XE Currency (offline-capable) gives real-time exchange rates and allows quick mental arithmetic at market stalls and currency exchanges. Particularly important in Argentina where the gap between official and parallel exchange rates is significant — knowing the current legal parallel rate before approaching a casa de cambio prevents being shortchanged. Set up your home currency and the currencies of all countries you plan to visit before departure.
Translation: Google Translate with Camera Function
Google Translate's camera function (point the camera at text for instant overlay translation) is genuinely useful for menus, signs, and printed documents. Download the Spanish and Portuguese offline language packs before departure — the camera function works offline with downloaded languages. For real-time conversation, the two-way voice translation (speak English, it outputs Spanish; the other person speaks Spanish, it outputs English) is imperfect but functional for basic situations. WhatsApp (see below) is more reliable for written communication.
Communication: WhatsApp
WhatsApp is the primary communication platform across all of South America — not just for tourists but for everyone. Your hotel, tour operator, restaurant, and guide will communicate via WhatsApp. Install it before departure and ensure your number is active. The voice note function (common in Latin American WhatsApp culture — people send voice messages rather than typing) takes getting used to; accept it. Group chats for tour groups, hostel activities, and travel companion coordination all happen on WhatsApp.
Health: iOverlander
iOverlander is the community-maintained database of practical travel information — water quality, medical facilities, camp spots, border crossing conditions, and current local safety warnings — updated by overlanders and independent travellers in real time. Particularly valuable in remote areas of Bolivia, Peru, and Patagonia where the situation changes faster than guidebooks can track.
