When you sign up for a postpaid plan, you’re paying for your service after you use it — usually with a contract. Most postpaid carriers also push “device financing,” stretching payments over 24–36 months. On paper, it might look like there’s no contract, but if you’re still paying off your phone, you’re locked in. Even if you want to leave, you’ll have to pay the full balance first — and by the end, you’ll often spend hundreds more than if you had bought the phone outright.
On top of that, postpaid plans often sneak in hidden fees:
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Activation charges
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Upgrade fees
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Line access fees
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Device insurance add-ons
These can quietly raise your monthly bill well beyond the advertised price.
Prepaid works differently. You pay for your service before you use it. There’s no credit check, no contracts, and no interest on your phone. You can bring your own device or buy one outright, and you’ll know exactly what you’re paying every month — no surprise line items.