- Lowest price$25.00
- Avg. cost per GB$22.33
- Providers here1
The short answer
For most trips to São Tomé & Príncipe, Nomad 3 GB for 30 days at $59.00 is the one to take — it works out at $19.67 per GB, better than anything else here. If you only need maps and messaging, Nomad at $25.00 is the cheapest way in.
Our picks for São Tomé & Príncipe
Chosen by the numbers below, not by who pays us. Every pick states why it won.
- Best valueNomad3 GB · 30 days$59.00$19.67 / GB
$19.67 per GB — 1.3× better value than the entry plan.
See this plan - Cheapest way inNomad1 GB · 7 days$25.00$25.00 / GB
The lowest price for São Tomé & Príncipe. Enough for maps and messaging on a short trip.
See this plan
All 2 plans
The full list, with every field each provider publishes. Sort or filter it to your trip.
Showing 2 of 2 plans
| Compare | Provider | Data | Validity | Price | Per GB | 5G | Top-up | Network | View plan |
|---|---|---|---|---|---|---|---|---|---|
| Nomad | 1 GBBest price | 7 days | $25.00 | $25.00 | ✗ | ✓ | Unitel | View plan | |
| Nomad | 3 GBBest value | 30 days | $59.00 | $19.67 | ✗ | ✓ | Unitel | View plan |
A dash means the provider does not publish this, not that the feature is missing.
“Unlimited” plans are capped by a daily fair-use limit. The allowance shown is the provider's stated ceiling, not a speed guarantee.
Brand by brand in São Tomé & Príncipe
What each brand sells here, and what it will say about it. A dash means the brand does not publish that — which is worth knowing before you buy, not after.
| Brand | From | Plans | Longest | 5G | Hotspot | Top-up |
|---|---|---|---|---|---|---|
| NomadUnitel | $25 | 2 | 30 days | ✕ | — | ✓ |
Frequently asked about eSIMs for São Tomé & Príncipe
What is the cheapest eSIM for São Tomé & Príncipe?
Nomad at $25.00 for 1 GB over 7 days. That is the lowest price of the 2 plans tracked here. It is not the best value per gigabyte — small packages rarely are — so check the price-per-GB column before buying if you expect to use more than a couple of gigabytes.
Which eSIM gives the best value per GB in São Tomé & Príncipe?
Nomad: 3 GB for 30 days at $59.00, which works out at $19.67 per gigabyte. Value per gigabyte matters more than headline price on any trip longer than a weekend.
Are there unlimited eSIM plans for São Tomé & Príncipe?
No. None of the 2 plans currently tracked for São Tomé & Príncipe is sold as unlimited.
Which mobile networks do these eSIMs use in São Tomé & Príncipe?
The providers that publish it list Unitel. Not every provider discloses its network partner, and where one does not, this site shows a dash rather than guessing.
How current are these prices?
They were last read from each provider's own page on 9/17/2026. Prices are re-checked every day and the per-plan date is shown on every row; if a provider cannot be read, its plans keep their previous figures and are marked as carried over.
Some links on this page are affiliate links. If you buy through them we may earn a commission, at no extra cost to you. It never changes the prices shown or the order of the results.
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TürkiyeWhat readers say about eSIMs in São Tomé & Príncipe
Nothing yet. We do not write reviews ourselves and we do not buy them, so this stays empty until someone who has actually used eSIMs in São Tomé & Príncipe sends one. If that is you, the form below takes a minute.