Finding the Cheapest Unlimited Data SIM: A Comprehensive Guide

When searching for the cheapest unlimited data SIM, it’s important to consider several factors beyond just the price. Coverage, data speeds, and additional perks can significantly impact your overall experience. Below, we break down the top options available in the US as of 2025, along with a detailed comparison table to help you make an informed choice.
Key Factors to Consider
Before diving into specific plans, it’s essential to understand the key factors that differentiate one unlimited data SIM from another. These include:
- Coverage: Ensure the carrier has strong coverage in your area.
- Data Speeds: Some plans may throttle speeds after a certain usage threshold.
- Hidden Fees: Look out for activation fees, taxes, and other additional costs.
- Customer Service: Reliable customer support can be a lifesaver in case of issues.
- Perks: Some plans include extras like hotspot data or international roaming.
Top Cheapest Unlimited Data SIM Options
Here are some of the most affordable unlimited data SIM plans available in the US as of 2025:
1. Mint Mobile
Mint Mobile offers competitive pricing for unlimited data plans, often undercutting major carriers. Their plans include unlimited talk, text, and data, with speeds throttled after 35GB of usage. Mint Mobile operates on T-Mobile’s network, ensuring reliable coverage in most areas.
2. Visible by Verizon
Visible provides unlimited data, talk, and text on Verizon’s robust network. Their plans are straightforward with no hidden fees, and they include hotspot data. Visible is known for its affordability and simplicity, making it a popular choice for budget-conscious consumers.
3. Metro by T-Mobile
Metro by T-Mobile offers unlimited data plans with no annual contracts. Their plans include perks like Google One storage and Amazon Prime membership in some tiers. Metro’s coverage is extensive, thanks to T-Mobile’s network.
4. Cricket Wireless
Cricket Wireless, owned by AT&T, provides unlimited data plans with no overage charges. Their plans include unlimited talk and text, with speeds capped at certain levels depending on the plan. Cricket is a great option for those who prioritize coverage and reliability.
5. Tello
Tello offers customizable plans, including unlimited data options. Their prices are among the lowest in the market, and they operate on T-Mobile’s network. Tello is ideal for those who want flexibility and affordability.
Comparison Table
| Provider | Price (USD) | Data Cap | Hotspot | Network |
|---|---|---|---|---|
| Mint Mobile | $30/month | 35GB | Yes | T-Mobile |
| Visible by Verizon | $25/month | Unlimited | Yes | Verizon |
| Metro by T-Mobile | $40/month | 35GB | Yes | T-Mobile |
| Cricket Wireless | $35/month | 22GB | No | AT&T |
| Tello | $29/month | 25GB | Yes | T-Mobile |
Final Thoughts
Choosing the cheapest unlimited data SIM depends on your specific needs and location. While Mint Mobile and Tello offer great value for money, Visible by Verizon stands out for its unlimited data and reliable coverage. Metro by T-Mobile and Cricket Wireless are also strong contenders, especially for those who prioritize additional perks. By comparing these options, you can find a plan that balances cost and performance to suit your lifestyle.
References
Mint Mobile
Visible by Verizon
Metro by T-Mobile
Cricket Wireless
Tello