10 Best International Sim Cards 2025 in the United States

The KiwiSIM USA Data SIM Card offers some strong features, particularly for those needing reliable data service in the USA. It provides extensive coverage by tapping into the top three networks (AT&T, T-Mobile, and Verizon), ensuring you have a stable connection almost anywhere you go. The 12GB data allowance, valid for 180 days, is generous for users who need occasional internet access on various devices like security cameras, routers, or mobile hotspots. The SIM card is designed to fit different device sizes (Standard, Micro, and Nano), making it versatile and convenient to use across multiple gadgets.

Setting it up is relatively straightforward once you insert it into an unlocked device and configure the APN settings. However, it's worth noting that this SIM card is data-only and doesn't support voice calls or text messages. This might be a limitation for users who require comprehensive mobile services. The pricing is transparent with no hidden fees, and you can cancel the auto-subscription at any time, which adds a layer of flexibility and safety. Customer support is praised for being reliable and available online, ensuring that any issues can be promptly addressed.

On the downside, some users may find the initial activation process and APN configuration slightly tricky, especially if they are not familiar with such setups. Despite these minor obstacles, the KiwiSIM USA Data SIM Card is a solid choice for those seeking a dependable and flexible data solution in the USA, particularly for IoT devices.

The Europe Data SIM Card Prepaid 3GB 30 Days offers solid coverage and convenience for travelers in Europe. With 5G and 4G LTE high-speed internet, the SIM card ensures fast and reliable connectivity across multiple countries including France, UK, Germany, Italy, and Spain, among others. The card is valid for 30 days and provides 3GB of data, which is enough for moderate internet use such as browsing and social media. Additionally, it supports tethering and is easy to use with no activation required – just plug it in and go.

The tri-cut design ensures compatibility with all phone models, covering standard, micro, and nano SIM sizes. Refillable plans and rechargeable options add to its flexibility, which is useful for extended trips. However, users must ensure their device is unlocked for it to work. Call and text rates are not specified, which could be a drawback for users who need to make frequent calls or send texts.

The Movistar Europe SIM Card offers robust coverage across Europe, including popular destinations such as the UK, Italy, Sweden, Spain, France, and Germany. With 6GB of 4G data available throughout Europe and a generous 40GB specifically for use in Spain, it caters well to travelers needing substantial internet access. However, it's important to note that while it supports unlimited local calls across Europe, it does not cover text messaging, which may be a limitation for some users.

The SIM card has a validity period of 14 days, making it suitable for short to medium-length trips. Easy activation and setup instructions add to its convenience, but you must ensure your phone is unlocked and has a SIM slot. The inclusion of unique PIN and PUK codes enhances security, though it requires careful handling.

Customer support is available 24/7 through WhatsApp, which is handy, but remember that support is provided by mewfi rather than directly from Movistar or Amazon. This SIM card is an excellent choice for travelers looking for high-speed data and unlimited local calls in Europe, provided they are comfortable with the absence of text messaging support and the need for an unlocked phone.