Finding the Cheapest Unlimited Data SIM: Budget-Friendly Internet Options in the US

Unlimited data plans have become a staple for smartphone users, offering the freedom to stream, browse, and download without worrying about data caps. However, not all unlimited plans are created equal. Some may throttle speeds after a certain usage threshold, while others include perks like free streaming subscriptions or international roaming. Understanding these nuances is key to selecting the best budget-friendly option.
Key Factors to Consider When Choosing an Unlimited Data Plan
Before diving into specific plans, it’s important to evaluate the following factors to ensure you’re getting the best value:
- Network Coverage: Check if the provider has strong coverage in your area. MVNOs use major carrier networks, but speeds may vary.
- Data Throttling: Some plans reduce speeds after a certain data usage (e.g., 50GB). Look for plans with high or no throttling thresholds.
- Hotspot Allowance: If you use your phone as a hotspot, verify how much high-speed data is included.
- Family or Multi-Line Discounts: Many providers offer savings for multiple lines.
- Additional Perks: Free subscriptions to services like Netflix or Apple Music can add value.
Top Budget-Friendly Unlimited Data SIM Plans in the US
Below is a comparison of the most affordable unlimited data SIM plans available in March 2025:
| Provider | Plan Name | Price (Monthly) | Network | Hotspot Data | Throttling Threshold |
|---|---|---|---|---|---|
| Visible | Unlimited Plan | $25 | Verizon | Unlimited (5Mbps) | None |
| Mint Mobile | Unlimited Plan | $30 | T-Mobile | 10GB | 40GB |
| Cricket Wireless | Unlimited More | $55 | AT&T | 15GB | None |
| T-Mobile | Essentials | $60 | T-Mobile | 3G Speeds | 50GB |
| AT&T | Unlimited Starter | $65 | AT&T | None | None |
MVNOs vs. Major Carriers: Which Is Right for You?
Mobile virtual network operators (MVNOs) like Visible and Mint Mobile often provide the cheapest unlimited data SIM plans, leveraging the infrastructure of major carriers at a fraction of the cost. However, they may lack some premium features, such as international roaming or prioritized data during congestion. Major carriers, on the other hand, offer more consistent speeds and additional perks but at a higher price.
For example, Visible’s $25 unlimited plan runs on Verizon’s network and includes unlimited hotspot data, making it an excellent choice for heavy users. Mint Mobile, backed by T-Mobile, offers a $30 unlimited plan with 10GB of hotspot data, ideal for those who prioritize affordability. Meanwhile, Cricket Wireless provides a balance between cost and features with its $55 Unlimited More plan, which includes 15GB of hotspot data and HD streaming.
Tips for Saving Money on Unlimited Data Plans
To maximize savings, consider the following strategies:
- Prepaid Plans: Prepaid options often cost less than postpaid plans and don’t require credit checks.
- Family Plans: Adding multiple lines can reduce the per-line cost significantly.
- Promotional Deals: Carriers frequently offer discounts for switching or bundling services.
- Annual Payments: Some providers, like Mint Mobile, offer lower rates for annual commitments.
By carefully evaluating your needs and comparing plans, you can enjoy unlimited internet without overspending. Always check the latest offers from providers, as promotions and plan details may change over time.
References:
Visible
Mint Mobile
Cricket Wireless
T-Mobile
AT&T