Cheapest iPhone Plan in United States is achieved by T-Mobile. Actually if compared between AT&T, Verizon, Sprint, Cricket, Virgin, Straight Talk and T-Mobile, then the winner will be Straight Talk. But you must buy the iPhone with full price. Unlike T-Mobile, you can buy iPhone 5 for just $100 down. The service plan in T-Mobile is starting from $20 per month for over 24 months.
Let see the comparison price of the cheapest iPhone plan for unlimited talk time. Sprint $69.99, Cricket $55.00, Straight Talk $45, and T-Mobile $50. While for the limited talk time from other carriers, AT&T and Verizon $39.99 for 450 minutes only and Virgin $40 for 1200 minutes. In Straight Talk and T-Mobile, the service plan is including the unlimited texting service. While in AT&T and Verizon you must pay additional $20. The activation charge for all carriers is free of charge, except for AT&T and Verizon that cost $36 and $35respectively.
How about the data plan? Yes, the iPhone usage depends on data connection. It surely relieves if we have an unlimited data plan. Without any additional data cost, you already have an unlimited data plan from Cricket, Virgin and Straight Talk. While Sprint charges you with additional $10. There is no unlimited data plan for AT&T, Verizon and T-Mobile. AT&T will charge you additional $30 for 3GB data plan, Verizon $30 for 2GB and T-Mobile $10 for 2.5 GB. AT&T, Verizon and Sprint can charge more expensive data plan because you can get iPhone 5 for only $199.99 if using their service plan. You must buy the iPhone 5 full price at $649.99 if using Cricket or Straight Talk. Well, it is your decision to choose the cheapest iPhone plan.