São Paulo: the coverage is fine, so buy for the workload instead

Coverage is not the problem here

São Paulo is Latin America's largest city at around 22 million in the metro area, and it is the country's business capital. It attracts more business travellers than Rio and has better digital infrastructure as a consequence. 5G is widespread across Centro, Avenida Paulista, Vila Madalena and the Faria Lima financial corridor — which is to say, across most of the ground a visitor actually covers.

So unlike almost every other page on this site, there is no coverage argument to make. No plan here will reach further than another in São Paulo. What separates them is how much data you get for the money, and that turns on what you are doing with the phone.

The city is easy to move around, and cheap on data

The metro is genuinely good — clean, efficient, and elevated across parts of the network. The SPTrans and Metrô SP apps give live routing. Uber and 99, the Brazilian ride-hailing alternative, are both widely used for the gaps between metro lines, and you will want at least one of them for the stretches the rail network does not reach.

None of that is heavy on data. Live transit routing and ride-hailing together are a few hundred megabytes a week. If that is your whole use case, 3 GB covers a short trip and 5 GB covers a longer one.

What actually consumes the allowance

São Paulo has Brazil's strongest coworking scene, concentrated around Vila Madalena and Consolação, and the wifi in those spaces is reliable. Mobile data is the transit and street layer between them — but if you are tethering a laptop for calls between meetings, or working from a café that turns out to have nothing usable, the arithmetic changes fast. A video call is roughly a gigabyte an hour. Two of those a day for a working fortnight is most of a 20 GB plan on its own.

That is the split worth thinking about before you buy. Tourist visit: 3 to 5 GB. Working trip with a laptop: 10 GB as the floor, 20 GB if calls are part of it.

Registration is more conspicuous in a business city

São Paulo is where Brazil's SIM registration rules feel most out of place, because this is a destination where buying a local prepaid SIM ought to be a routine errand and often is not. What our data holds is one line: passport or ID required. Brazilian travel writing describes something narrower — registration bound up with the CPF, the national tax number, which visitors do not have. We have not verified how individual counters handle it, so we will not tell you it is impossible, only that it is the reason international eSIMs became the default for business visitors here.

A prepaid SIM bought at a Brazilian airport is about $6 in our data, which is cheap if you get one. The eSIM costs more and removes the uncertainty.

The numbers, for 30 days

Airalo's rows were read from its own site on 13 August 2026, Saily's from Saily's own site on 16 August and Nomad's from Nomad's on 17 August. The rest are indicative — earlier research, not a live checkout.

An eSIM Go row at $18 for 10 GB used to sit in that table, undercutting everything above it. eSIM Go sells wholesale to resellers and publishes no consumer price — checked on esim-go.com on 18 August 2026, where there is no basket, no checkout and no per-country page — so its rows cannot be bought or ever verified. See our eSIM Go page.

Saily's row used to sit near the bottom of that table on an indicative $11.99 for 5 GB. Its confirmed prices are higher at every size, and it is now the worst rate per gigabyte in the set at each rung it sells — worth stating plainly, because a working trip buys at the large end where the gap is widest.

The verified floor is $0.90 a gigabyte, on Nomad's 50 GB for $45. An earlier version of this page put the floor at $1.80 on Airalo's 20 GB and treated Nomad's rows as unchecked research; Nomad's Brazilian prices have since been read off its own site, its 20 GB is $31 rather than the $26 we carried, and the 50 GB tier above it is real. For a working trip that is the row to look at — fifty gigabytes for nine dollars more than Airalo's twenty.

Unlimited plans exist for month-long stays and are priced accordingly; at $85 verified for 30 days from Airalo, you need to be using well over 90 GB before that beats buying metered data at the floor rate. Most working trips do not.

Airalo does not publish which Brazilian network it roams onto anywhere, and "Maneiro" on its checkout page is a product name rather than a carrier. Nomad, Saily and eSIMCard publish nothing either, and eSIM Go has no consumer page on which it could. The Brazil hub has the full picture, including the one provider that does list something we have not been able to confirm.