MobileX review

Updated September 30, 2026 · TariffCue Editorial Team · Facts checked September 30, 2026

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Our verdict

MobileX suits US readers who want a prepaid plan with a low entry price and no contract attached, scoring 9.4 overall. Build Your Own starts at $3.88 on 1 month, and that same monthly rate carries into every later period, so nothing has to be unwound at renewal.

Key facts

Best for
A cheap US SIM-only plan you can change or leave at short notice.
Seller type
Mvno (Source, checked September 30, 2026)
SIM-only
Yes (Source, checked September 30, 2026)
Price from
$3.88 (Source, checked September 30, 2026)
Reference plan prices
Build Your Own from $3.88 per month, custom data, month-to-month; Basic Unlimited 10GB: $14.88 per month, unlimited talk text plus 10GB, month-to-month; Basic Unlimited 30GB: $24.88 per month, unlimited talk text plus 30GB, month-to-month (Source, checked September 30, 2026)
Unlimited plan price
$14.88 (Source, checked September 30, 2026)
5G
Yes (Source, checked September 30, 2026)
eSIM
Yes (Source, checked September 30, 2026)
Wi-Fi calling
Yes (Source, checked September 30, 2026)
EU roaming
Paid (Source, checked September 30, 2026)
Data rollover
Yes (Source, checked September 30, 2026)
Hotspot sharing
Yes (Source, checked September 30, 2026)
Markets
US (Source, checked September 30, 2026)
Legal entity
Mobile X Global, Inc. (Source, checked September 30, 2026)
Support channels
Email, Chat, Phone, Help-centre (Source, checked September 30, 2026)
Billing
Prepaid, Rolling
Contract length
1
Official website
mymobilex.com

Apps and profiles

Get the app
Google Play
Elsewhere
WikidataWikipediaLinkedInX

Pros and cons

Pros

  • Build Your Own starts at $3.88 on a plan where the data allowance is set by the customer
  • Plans run 1 month, so there is no long term to serve
  • Unlimited talk and text plans start at $14.88
  • eSIM, 5G, wifi calling, hotspot sharing and data rollover are all included
  • Support runs on email, chat and phone

Cons

  • European roaming is paid, so travel adds cost rather than arriving with the plan
  • The seller type is mvno, so service runs over a host network and local coverage needs checking
  • Coverage is listed for US, so anyone who needs service across several countries should look wider

Ready to try MobileX?

Scored 9.4 / 10 by TariffCue.

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Who it suits

  • Residents of US who want a prepaid plan with no long contract
  • People who want unlimited talk and text from $14.88
  • Readers who want an eSIM, rollover data and hotspot sharing on a flexible plan

Who should look elsewhere

  • GETESA readers who would rather buy from a network than a mvno
  • Lonestar Cell MTN readers who want the network itself rather than a virtual brand
  • Travellers who need roaming inside the monthly plan, since European roaming is paid

How it compares on our data

MobileX appears twice in our rankings and the two results read differently. Sorted on starting price it sits at 68 of 258 brands, which places the entry plan in the lower part of the field rather than near the front of it. Sorted on the price of an unlimited plan it stands at 34 of 173 brands, and that group is smaller, so the same result carries more weight here. The distance between the two positions is the part worth reading. The entry tier is competitive rather than exceptional, while the unlimited tier holds its own against a tighter set of rivals. Readers who sort a table purely by the first number will find cheaper plans elsewhere; readers who look at the unlimited line before deciding will find this one placed more comfortably. Neither placement sits at the front of the field, so the case for MobileX rests on how the plan is built rather than on where the price ranks.

Plans and prices

MobileX splits its range into a build-your-own plan and a set of unlimited tiers. On the build-your-own plan the price starts at $3.88, and the data allowance is set by the customer rather than fixed by the seller, so the entry figure is a floor rather than a full specification. The unlimited side works differently: talk and text are unlimited, the data allowance is fixed, and the price starts at $14.88. A larger allowance costs more per period, so the step between the smaller and the larger unlimited tier is the price to watch rather than a change in what is included. All of the published reference prices are monthly and month to month, which means the entry price and the renewal price are the same number. There is no introductory rate to unwind, so a reader comparing this headline figure with a long contract deal is comparing two different structures rather than two stages of the same sale.

The company behind it

MobileX trades as Mobile X Global, Inc. and is registered as a mvno, so the brand resells network capacity rather than operating its own. That distinction shapes the whole proposition: the coverage map belongs to a host network, and the quality of service on a given street depends on whose infrastructure you are standing under, so an address check is worth doing before you commit. Support runs on email, chat and phone, which covers the main routes people reach for after signing up, from quick chat to a phone call for anything urgent, plus email for a written record and a help centre for repeat questions. The legal entity is the name that takes the payment and holds the account, which is the detail a reader who has been burned by a disappearing seller will look for first.

How MobileX compares

Where MobileX is available

Available
United States

Countries from the brand (Source, checked September 30, 2026)

Frequently asked questions

What is the cheapest MobileX plan?+

Build Your Own starts at $3.88 and you set the data allowance on it yourself. The published reference prices for the plans are monthly and month to month, so that entry figure is the ongoing figure rather than a promotional rate that changes later. A reader comparing a low headline price with a long contract deal is comparing two different structures here, not two stages of one sale.

Does MobileX use contracts or lock-ins?+

No long term is attached. Billing is prepaid and rolling and plans sit at 1 month, the short contract length that flexible mobile deals tend to use. Nothing ties you in for a year, so a reader who wants to change plan or walk away can do so without serving out a term first.

Is roaming included in the price?+

European roaming is paid, so using the SIM in Europe costs extra rather than arriving as part of the monthly plan. MobileX serves US, so travel is the part of the plan to think about before booking anything. Anyone crossing the Atlantic regularly should price the roaming in advance rather than at the border.

What does an unlimited MobileX plan include?+

Unlimited plans start at $14.88. Talk and text are unlimited on them, with a set data allowance rather than uncapped data, and a larger allowance costs more per period. That tier ranks 34 of 173 brands on our data, which is where MobileX looks stronger than it does on the entry price.

Does MobileX work with eSIM and newer phones?+

Yes to eSIM, and 5G is included as well. Wifi calling, hotspot sharing and data rollover come as standard too, so unused data carries into the next period instead of disappearing. The phone only has to be eSIM ready, and none of these features are listed as paid add-ons, so nothing needs switching on after you start.

How do I reach MobileX support?+

Support runs on email, chat and phone, so there is a route for most cases. Chat and phone cover anything urgent, email suits questions that need a written record, and the help centre handles the repeat questions. A brand that operates as a mvno still answers through all of those channels, which is more than some virtual brands offer.

Who operates MobileX?+

The brand is run by Mobile X Global, Inc., which trades as a mvno. Because it is not the network that carries the signal, the service runs over someone else's infrastructure, so coverage at your address depends on the host network. Checking the local coverage map before choosing is the sensible step for anyone moving to a new area.

Which countries can I use a MobileX plan in?+

The markets list names US, a single market, and the plans are aimed at use there. A traveller who wants one SIM to work across several countries would be looking outside this range. Data rollover and hotspot sharing are included, but the roaming terms apply as soon as the SIM leaves its home market.

Sources

  • mymobilex.com checked September 30, 2026

    Backs: ESIM, EU roaming, 5G, Legal entity, SIM-only, Support channels

    “Download an eSIM”

  • mymobilex.com/faq checked September 30, 2026

    Backs: Data rollover, Hotspot sharing, Reference plan prices, Unlimited plan price, Wi-Fi calling

    “Leftover data converts to credit”

  • mymobilex.com/faqs/how-do-i-know-if-mobilex-has-good-cove... checked September 30, 2026

    Backs: Markets, Seller type

    “From coast to coast and everywhere in-between, MobileX has you covered”

  • mymobilex.com/find-out-how checked September 30, 2026

    Backs: Billing, Contract length

    “plus every mobilex plan is month-to-month”

  • mymobilex.com/mobilex-plans checked September 30, 2026

    Backs: Price from

    “starting from as little as $3.88 a month for a data plan”

Compiled from 5 source pages, checked September 30, 2026. We did not open an account.

MobileX

A cheap US SIM-only plan you can change or leave at short notice.

9.4/10Visit

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