Yes. This single eSIM covers Peru, Bolivia, and Chile (plus 14 others), allowing you to cross borders seamlessly without changing settings or buying new SIMs. It is perfect for the popular "Gringo Trail" route. 

 You will generally have reliable signal at the Machu Picchu citadel itself and in the town of Aguas Calientes. However, expect connectivity to be spotty or non-existent while hiking the Inca Trail or Salkantay Trek until you reach the main sites. 

Yes. Since the plan includes both Brazil and Argentina, you will have uninterrupted coverage while visiting both sides of Iguazu Falls, allowing you to share photos of the Devil's Throat (Garganta del Diablo) instantly. 

 Coverage is limited to major gateway cities like Manaus (Brazil), Iquitos (Peru), and Leticia (Colombia). Once you travel by boat deep into the Amazon jungle or stay at remote eco-lodges, you will likely be offline. 

Yes. Ride-hailing apps like Uber, Cabify, and DiDi are widely used and safer than hailing street taxis in cities like Buenos Aires, Santiago, Bogota, and Rio de Janeiro. Reliable data is essential to book and track your rides. 

 Coverage is good in base towns like Puerto Natales, El Calafate, and El Chaltén. However, inside national parks like Torres del Paine or on the hiking trails to Mount Fitz Roy, signal is very limited or non-existent. 

 You will have signal in the town of Uyuni and at the "Train Cemetery." However, out on the vast salt flats of Salar de Uyuni and during the multi-day jeep tours to the colored lagoons, coverage is extremely rare. 

Absolutely. Major high-altitude capitals like La Paz, Quito, and Cusco have excellent 4G/LTE coverage. Data is vital for checking maps, acclimatization tips, and translation apps while navigating these dense urban centers.