Whose Reputation Are You Borrowing? Dedicated Mobile Lines vs Shared Per-GB Pools

Most proxy comparisons stop at price. We think the more important question is provenance: when your request leaves an IP address, whose history comes along with it? A shared per-GB residential pool lends you someone else's device for a moment, along with whatever that device and its other borrowers have done. A SpoofProxies line is a single mobile device that only you use. This page explains how each model shapes the signals a website sees, sets out the costs using our own prices, and is clear about the situations where the shared, metered option is simply the sensible purchase.

How trust is actually assessed

It helps to understand what a website is looking at. An IP address is one input among many. Risk systems also consider the network it belongs to, how consistent a visitor is from one session to the next, the device and browser characteristics, and, above all, behavior: what the visitor does, how quickly and how often.

Mobile carrier addresses occupy an unusual place in that picture. US carriers run carrier-grade NAT, which means one public IPv4 address is shared at the same moment by many ordinary phones. A site cannot treat such an address as belonging to one person, so it leans harder on behavior and consistency. That is the real reason mobile IPs are valued, and it also explains why the rest of your setup, and your conduct, still matter a great deal. Nothing here is a way around a platform's rules; a proxy changes the network path and leaves every term of service in force.

What a shared per-GB pool is made of

Per-GB mobile residential products are usually built from consumer devices. Frequently those devices joined the pool because a free app included a software development kit that routes third-party traffic when the phone is idle. Your request is assigned to one of those peers, either per request or for a short sticky window, and you are billed for the bytes.

Three consequences follow. First, you cannot see or choose the device. Second, every other customer of that pool may have routed traffic through the same peer, and if some of them behaved badly, the address and device may carry that history into your session. Third, continuity is weak: peers disappear when their owners walk out of range or close an app, so a session can change location or network without warning. If you are evaluating such a provider, it is also fair to ask how its peers consented to share their connection.

What changes with a dedicated line

A SpoofProxies line is one physical device, a 4G or 5G modem, a router or an Android phone, with its own AT&T, T-Mobile or Verizon SIM, assigned to a single customer. You choose the carrier and one of eight metros at checkout, subject to local stock. No other customer routes traffic through it.

The public IP is still a carrier CGNAT address shared with the public, which is exactly how mobile networks work, and the carrier's regional pool is finite, so repeats over a day are normal. What you gain is control over the part you can influence: the device's traffic is yours alone, the IP stays put in a sticky session until you choose to rotate, and rotation happens only when you trigger it, from the dashboard, a rotation link or the API, or per request if you enable that mode. Rotations are unlimited, with no waiting period.

The cost picture, worked out

Using a public US list from September 2026 as our reference, metered access costs $20 for 1 GB, $40 for 2 GB and $300 for a 25 GB bundle, or $12 per gigabyte at that tier. SpoofProxies costs $72 a month on 4G and $85 on 5G, with 4G day and week plans at $6 and $31.

The 4G break-even against the $20 rate is 72 divided by 20, or 3.6 GB a month. Against the $12 bundle rate it is exactly 6 GB, although reaching that rate requires spending $300 at once. For 5G the figures are 4.25 GB and about 7.1 GB. At 1 GB a month a metered pool costs $20; at 5 GB it costs $100; at 25 GB, $300; at 100 GB, $1,200. Our price stays at $72 throughout.

When the shared pool is the better choice

We would not recommend a dedicated line for everyone. If your need is a few hundred megabytes a month, for instance an occasional look at how a page appears to an American mobile visitor, metered access will cost less and serve you perfectly well.

The same is true for work across many countries, since we operate only in New York, Los Angeles, Chicago, Houston, Phoenix, Miami, North Carolina and Boston. And for a one-time check, pay for the gigabyte, or take a single day plan if you want the check to come from a device nobody else has touched.

An example: testing your own risk rules

Consider a fraud-prevention team at a US fintech that needs to confirm its own sign-up and checkout risk rules treat genuine mobile visitors fairly. They want to see exactly what a customer on AT&T in Miami or Verizon in Phoenix experiences, and to repeat the same test after every rule change.

On a shared pool, the results are noisy. If a test session is challenged, the team cannot tell whether their rule fired correctly or whether the borrowed peer arrived with a poor history from someone else's traffic. With dedicated lines, the variable is removed: the same device, the same carrier, the same metro, and a clean record that only their own tests have written. Two 4G lines cost $144 a month, and a test cycle heavy with page assets would exceed 7 GB quickly, which already costs more than that on a meter. The cleaner data is the larger benefit.

Deciding sensibly

Ask two questions. How much data will you really move, and does it matter whose history arrives with your requests? Light, occasional or international work points to a metered pool. Steady US work, or any task where you need to know that the device's record is your own, points to a dedicated line. Payment is accepted by card via Stripe, PayPal, Bitcoin, USDT, Ethereum, Zelle and bank wire, locations can be moved between our metros free from the dashboard, and support is available 24/7 by email and Telegram.

Questions about per-GB pricing