Best SIM Cards with Unlimited Data: Top Plans for 2025

With the rise of remote work and mobile-first lifestyles, unlimited data plans are no longer a luxury but a necessity for many. Whether you're a heavy data user or simply want the peace of mind that comes with unlimited access, this article will help you navigate the crowded market and find the best plan for your needs.

Choosing the right SIM card with unlimited data can be overwhelming, given the plethora of options available. The first step is understanding your usage patterns and priorities. Do you need high-speed data for streaming and gaming, or are you more concerned with coverage in rural areas? Are international roaming or hotspot capabilities important to you? Answering these questions will help narrow down your choices.

Major carriers like Verizon, AT&T, and T-Mobile dominate the market, but MVNOs such as Mint Mobile, Visible, and Cricket Wireless offer competitive alternatives at lower prices. Each provider has its strengths and weaknesses, and the best plan for you depends on your specific needs. Below, we delve into the key factors to consider when selecting an unlimited data SIM card, followed by a detailed comparison of the top plans available in 2025.

Key Factors to Consider

When evaluating unlimited data SIM cards, several factors should guide your decision:

• Network Coverage: Ensure the provider has strong coverage in your area. Major carriers typically offer the most extensive networks, but MVNOs often use the same infrastructure at a lower cost.
• Data Speeds: Unlimited doesn't always mean unthrottled. Some plans reduce speeds after a certain usage threshold, so check the fine print.
• Hotspot Allowance: If you need to share your data with other devices, look for plans with generous hotspot allowances.
• International Features: Frequent travelers should consider plans with international roaming or discounted rates for calls and data abroad.
• Price: Unlimited plans vary widely in cost. MVNOs often provide significant savings, but may lack some premium features.

Top Unlimited Data SIM Card Plans in 2025

Below is a comparison table of the best unlimited data SIM card plans available in the US as of March 2025. The table includes pricing, network coverage, data speeds, and additional features to help you make an informed choice.

Verizon Unlimited Plus

Verizon's Unlimited Plus plan offers robust coverage and high-speed data, making it ideal for heavy users. With priority data up to 50GB, you can stream and download without slowdowns. The plan includes 30GB of hotspot data and free roaming in Mexico and Canada, making it a solid choice for frequent travelers.

AT&T Unlimited Elite

AT&T's Unlimited Elite plan stands out with its generous 100GB of priority data and 40GB of hotspot allowance. The plan also includes free roaming in over 20 countries, making it one of the best options for international travelers. At $85/month, it's competitively priced for the features it offers.

T-Mobile Magenta MAX

T-Mobile's Magenta MAX plan is unique in that it offers truly unlimited high-speed data with no throttling. The plan includes 40GB of hotspot data and free international data and texting in over 210 countries. At $80/month, it's an excellent value for globetrotters and data-heavy users.

Visible+

Visible+, an MVNO on Verizon's network, offers an affordable unlimited data plan at $45/month. While data may be deprioritized after 50GB, the plan includes unlimited hotspot data at 5Mbps, making it a great budget-friendly option for light to moderate users.

Mint Mobile Unlimited Plan

Mint Mobile's Unlimited Plan is one of the most affordable options at $30/month. Running on T-Mobile's network, it includes unlimited data (deprioritized after 35GB) and 10GB of hotspot data. While it lacks international features, it's a fantastic choice for cost-conscious consumers.

For more information, visit the official websites of these providers: Verizon , AT&T , T-Mobile , Visible , and Mint Mobile.