Virgin mobile vs straight talk?

Just gimme your opinion. I don't know which do go with. I want an iPhone through one. I don't know about data caps. If you know your stuff answer this.

Virgin Mobile uses Sprint towers for service.

Straight Talk uses AT&T, T-Mobile, Verizon, and Sprint towers for service. The phone you buy will determine what towers your phone will use. A Straight Talk Iphone will either use AT&T or T-Mobile towers for service depending on where you live.

So if you want to use the Iphone, you need to find out which providers work the best in your calling area. If you have T-Mobile in your calling area, your Straight Talk phone will use T-Mobile towers for service.

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