
AlpineSIM brings Swiss standards to global eSIMs — focusing on reliability, transparency, and performance. With instant setup, carefully selected networks, and coverage in 190+ countries, AlpineSIM offers country-specific, multi-region, global, and unlimited data plans, making it ideal for travelers who want dependable mobile data without surprises.
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Data plans for this provider are automatically updated. While we strive to keep the information accurate, we cannot guarantee its completeness or accuracy. Please confirm all details on the provider's official website or app before purchasing.
AlpineSIM does not provide a truly unlimited high‑speed data eSIM plan for Portugal. All of its Portugal‑specific plans that use the word “Unlimited” actually cap the amount of high‑speed data at a set quantity, such as 500 MB, 1 GB, up to 10 GB for a single day or a shorter validity. After the cap is reached, data speeds are reduced, but the plan is not unlimited in the sense of maintaining high‑speed traffic for all usage time.
Travelers who need large amounts of data can choose from AlpineSIM’s fixed‑data eSIM offerings instead. For example, the 50 GB Portugal plan is valid for 30 days and the 10 GB Portugal plan is available for a single day. These fixed plans give a higher total data allowance and can be more cost‑effective for travelers who log on heavily.
AlpineSIM does not offer a Portugal eSIM with a phone number or SMS. Only data‑only plans are available for that destination.
Travelers can use VoIP applications such as WhatsApp, Telegram, and iMessage to make calls and send messages over the data connection.
AlpineSIM lists a total of 55 single‑country data plans that can be used specifically in Portugal, and 234 multi‑country plans that include Portugal as part of a broader coverage area. The available plans span prices from as low as $0.42 to nearly $218, with data caps that range between 300 MB and 100 GB. Some plans use a fixed data cap—providing a set amount of data for the duration of the validity period—while others impose a daily data cap, limiting the amount of data you can consume each day. This gives travelers a range of options depending on whether they need a predictable total amount of data or a daily‑limit structure for budget management.
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