iPhone 6 Sprint Price with the cheapest mobile tariffs. Do you want buy iPhone 6 via best price? We also. Sprint offer the United States without contract prepaid tariffs, rates for which you pay a specified amount and get a fixed number of minutes. Choosing a prepaid rate of large operators be careful with the cost of plans, since you may be deducted minutes every day, just for the provision of telecommunications services, so in fact minutes of conversation may be less than you expect. Also pay attention to whether taxes are included in the cost of fixed minutes. If taxes are not included in the plan, then again, price per minute will turn more expensive.