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Same coverage - massive savings!YOU SAVE:
T-Mobile
Magenta - $70/mo
$840/yr
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Unlimited Extra - $75/mo
$900/yr
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Play More Unlimited - $80/mo
$960/yr
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    Best SIM Card for Smartwatches

    How much is a SIM card for a smartwatch?

    Big wireless coverage at small prices: switch & save up to $600 a year
    99% coverage4G & 5G speedBring your phoneNo contracts
    US Mobile Sim Card - Vertical
    500MB4G/5G Data
    $5per month
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    See Deal* FREE 10-Day Trial
    Tello Sim Card - Vertical
    1GB4G/5G Data
    $10per month
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    Twigby Sim Card - Vertical
    4GB4G/5G Data
    $10*per month
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    See Deal* $10 Off for 3 Months
    Mint Mobile Sim Card - Vertical
    10GB4G/5G Data
    $20*per month
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    See Deal* 3 Months FREE: $60 for 6 mths service
    Mint Mobile Sim Card - Vertical
    Unltd4G/5G Data
    $30*per month
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    See Deal* 3 Months FREE: $90 for 6 mths service
    Lycamobile Sim Card - Vertical
    12GB4G/5G Data
    $5*per month
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    See Deal* Only $15 for 3 Months Service
    Ultra Mobile Sim Card - Vertical
    2GB4G/5G Data
    $10*per month
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    See Deal* Only $120 for 12 Mths Service
    Mint Mobile Sim Card - Vertical
    4GB4G/5G Data
    $15*per month
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    See Deal* 3 Months FREE: $45 for 6 mths service
    US Mobile Sim Card - Vertical
    15GB4G/5G Data
    $20per month
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    See Deal* FREE 10-Day Trial
    Tello Sim Card - Vertical
    Unltd4G/5G Data
    $29per month
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    Disclaimer: MoneySavingPro is a free price comparison service but we do not provide service directly. We do our best to keep all the information up to date but there may be some discrepancies between the price you pay.

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    Best SIM Card for Smartwatches Hero
    Same coverage, massive savings!
    Stop the Unlimited Data Plan Rip Off!
    CarrierNetworkDataPrice Annual 
    VerizonVerizon 4G & 5GUnlimited*$80/mo$960/yr
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    *Avg. data usage only 3-5GBSavings$65/moSavings$780/yr
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    Cheapest smartwatch SIM card in 2022

    By Rob Webber - Last updated on

    Using your Smartwatch independently of your Smartphone will require a separate SIM card.

    With a low-cost carrier (also known as an MVNO) this doesn't have to mean another costly bill. MVNOs provide cheap cell phone plans while operating on the main US networks so you don't have to sacrifice coverage.

    You'll find plenty of cheap SIM cards for your smartwatch below, which we've broken down to help you find the perfect fit.

    Check Carrier Coverage

    Best T-Mobile plans for smartwatches

    Mint Mobile4GB plan* 3 Months FREE: $45 for 6 mths service

    Unlimitedmins

    Unlimitedtexts

    4GB

    4G/5G data

    $15/mo*

    Powered by: T-Mobile

    T-Mobile vs Mint Mobile comparison

    Keep your T-Mobile phone, number & coverage: Save $660 per year

    CarrierNetwork Coverage4G/5G DataPriceAnnual Cost
    T-MobileT-Mobile 4G & 5GUnltd*$70/mo$840/yr
    Mint MobileT-Mobile 4G & 5G4GB$15/mo$180/yr
    *Don't waste money on unlimited data - Avg. data usage is only 3-5GBSavings$55/mo$660/yr

    Compare: T-Mobile smartwatch plans


    Best Verizon plans for smartwatches

    US Mobile5GB plan* FREE 10-Day Trial

    Unlimitedmins

    Unlimitedtexts

    5GB

    4G/5G data

    $15/mo

    Powered by: Verizon & T-Mobile

    Verizon vs US Mobile comparison

    Keep your Verizon phone, number & coverage: Save $780 per year

    CarrierNetwork Coverage4G/5G DataPriceAnnual Cost
    VerizonVerizon 4G & 5GUnltd*$80/mo$960/yr
    US MobileVerizon 4G & 5G5GB$15/mo$180/yr
    *Don't waste money on unlimited data - Avg. data usage is only 3-5GBSavings$65/mo$780/yr

    Compare: Verizon smartwatch plans


    Best AT&T plan for smartwatches

    Good2Go Mobile3GB plan* 50% Off for 3 Months

    Unlimitedmins

    Unlimitedtexts

    3GB

    4G/5G data

    $10/mo*

    $20/mo

    Powered by: AT&T & T-Mobile

    AT&T vs Good2Go Mobile comparison

    Keep your AT&T phone, number & coverage: Save $690 per year

    CarrierNetwork Coverage4G/5G DataPriceAnnual Cost
    AT&TAT&T 4G & 5GUnltd*$75/mo$900/yr
    Good2Go MobileAT&T 4G & 5G3GB$20/mo$210/yr
    *Don't waste money on unlimited data - Avg. data usage is only 3-5GBSavings$55/mo$690/yr

    Compare: AT&T smartwatch plans


    Best smartwatch SIM cards

    CarrierDataNetworkPrice
    US Mobile 500MB SIM kit500MBVerizon & T-Mobile$5* FREE 10-Day Trial
    Tello 1GB SIM kit1GBT-Mobile$10
    Twigby 4GB SIM kit4GBVerizon$10** $10 Off for 3 Months
    Mint Mobile 10GB SIM kit10GBT-Mobile$20** 3 Months FREE: $60 for 6 mths service
    Mint Mobile unlimited data SIM kitUnltdT-Mobile$30** 3 Months FREE: $90 for 6 mths service

    What is a SIM card for a smartwatch?

    Once you're familiar with the two types of smartwatches, explore SIM cards and the way they can help you make the most of this device.

    A SIM card, where SIM stands for Subscriber Identity Module, is a small chip you can insert into a smartphone, standalone smartwatch, and more.

    When it connects your device to a cellular network, a smartwatch SIM card transforms your watch into a valuable means for communication.

    A standard, Nano or micro SIM then carries information about you and your mobile carrier, so, by sliding a small chip into the card slot, you can give your device access to phone number information, contacts and the like in one go.


    Smartwatch SIM card FAQs

    Why does a smartwatch need a SIM card?

    A SIM card allows the smartwatch to access the cell network so you can make and receive calls and texts from the watch.

    Which SIM is best for smartwatch?

    The best smartwatch SIM card is a plan that suits your needs. Depending on budget, data allowance, calls, and text allowance.

    Which smartwatch has eSIM?

    The Samsung Galaxy Watch3 uses an eSIM.

    Which Samsung watch has a SIM card?

    All smartwatches use a SIM card to connect to the cellular network.


    Recap

    With a Smartwatch SIM card from an MVNO you could save up to $600 a year thanks to plans starting from around $10 a month.

    A SIM card allows your Smartwatch to access the cellular network so you don't have to connect it to your Smartphone to make and receive calls or texts.

    You can check cell coverage in your area to help you decide which low-cost carrier is best for you.

    Rob Webber
    Rob Webber

    Rob has 15+ years experience in the US and UK running price comparison sites for cell phone plans, smartphone deals, TV, and internet. He loves thinking outside of the box to build tools that empower consumers to make more informed decisions.