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Best Smartwatch SIM Cards of 2021

Compare the cheapest smartwatch SIM card plans

Deal of the Month: Reach Mobile - 50% off for 3 months
Boost Mobile Sim Card - Vertical
2GBLTE Data
$5*per month
Powered by:
See Deal* 50% Off 1st Month & Double Data for 3 Months
Twigby Sim Card - Vertical
0GBLTE Data
$4.50*per month
Powered by:
See Deal* 50% Off for 6 Months
Twigby Sim Card - Vertical
0GBLTE Data
$5.50*per month
Powered by:
See Deal* 50% Off for 6 Months
Twigby Sim Card - Vertical
0GBLTE Data
$6.50*per month
Powered by:
See Deal* 50% Off for 6 Months
Tello Sim Card - Vertical
0GBLTE Data
$8per month
Powered by:
Twigby Sim Card - Vertical
1GBLTE Data
$7.50*per month
Powered by:
See Deal* 50% Off for 6 Months
Gen Mobile Sim Card - Vertical
0GBLTE Data
$9*per month
Powered by:
See Deal* 25% off for 3 months - Promo: MSP25OFF3MO
Gen Mobile Sim Card - Vertical
1GBLTE Data
$9*per month
Powered by:
See Deal* 25% off for 3 months - Promo: MSP25OFF3MO
Twigby Sim Card - Vertical
3GBLTE Data
$10*per month
Powered by:
See Deal* 50% Off for 6 Months
Ting Sim Card - Vertical
0GBLTE Data
$10*per month
Powered by:
See Deal* $5 extra per GB
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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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CarrierNetworkDataPriceAnnual
T-MobileT-Mobile 4G & 5GUnlimited*$60/mo$720/yr
Mint MobileT-Mobile 4G & 5G10GB$20/mo$240/yr
*Avg. data usage only 3-5GBSavings$40/moSavings$480/yr
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The best SIM card for smartwatches in April

If you love your smartphone, yet you're looking for a way to improve your connectivity, a smartwatch can be a good option.

You'll have all the information you need on a single touch screen to stay in tune with the world around you while on the go.

Whether you're looking for a smartwatch that serves as an extension of your smartphone or one that will work on its own, consider using this handy device to facilitate communication.

A standalone smartwatch will require a prepaid SIM card, so learn more about this tool to get the most out of its innovative technology.

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Smart watch SIM card plans comparison

Carrier

Network

Data

Price

Tello

T-Mobile

1GB

$10

Reach Mobile

Verizon

3GB

$15** 50% Off for 3 Months

Pure Talk

AT&T

4GB

$18.75** 25% Off for 3 Months

Ting

T-Mobile & Verizon

5GB

$20** $5 Off for 6 Months

Mint Mobile

T-Mobile

Unltd

$30** $90 for 3 months Service

Best AT&T smart watch SIM

Pure Talk - 2GB Data* 25% Off for 3 Months
UnlimitedminsUnlimitedtexts
2 GB4G data
$15*per month$20/mo
Powered by: AT&T

AT&T vs Pure Talk Plan Comparison

Keep your AT&T phone, number & coverage: Save $675 per year

Carrier

Network Coverage

4G LTE Data

Price

Annual Cost

AT&T

AT&T 4G LTE

Unltd*

$75/mo

$900/yr

Pure Talk

AT&T 4G LTE

2GB

$20/mo

$225/yr

*Don't waste money on unlimited data - Avg. data usage is only 3-5GBSavings$55/mo$675/yr

Best Verizon smart watch SIM

US Mobile - 5GB DataFree Starter Kit with code: MSPUSM
UnlimitedminsUnlimitedtexts
5 GB4G data
$15per month
Powered by: Verizon & T-Mobile

Verizon vs US Mobile Plan Comparison

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

Carrier

Network Coverage

4G LTE Data

Price

Annual Cost

Verizon

Verizon 4G LTE

Unltd*

$80/mo

$960/yr

US Mobile

Verizon 4G LTE

5GB

$15/mo

$180/yr

*Don't waste money on unlimited data - Avg. data usage is only 3-5GBSavings$65/mo$780/yr

Best T-Mobile smart watch SIM

Mint Mobile - 4GB Data* $45 for 3 Months Service
UnlimitedminsUnlimitedtexts
4 GB4G data
$15*per month
Powered by: T-Mobile

T-Mobile vs Mint Mobile Plan Comparison

Keep your T-Mobile phone, number & coverage: Save $540 per year

Carrier

Network Coverage

4G LTE Data

Price

Annual Cost

T-Mobile

T-Mobile 4G LTE

Unltd*

$60/mo

$720/yr

Mint Mobile

T-Mobile 4G LTE

4GB

$15/mo

$180/yr

*Don't waste money on unlimited data - Avg. data usage is only 3-5GBSavings$45/mo$540/yr

Best Sprint smart watch SIM

UnlimitedminsUnlimitedtexts
1 GB4G data
$10per month
Powered by: T-Mobile

Sprint vs Tello Plan Comparison

Keep your Sprint phone, number & coverage: Save $720 per year

Carrier

Network Coverage

4G LTE Data

Price

Annual Cost

Sprint

Sprint 4G LTE

Unltd*

$70/mo

$840/yr

Tello

Sprint 4G LTE

1GB

$10/mo

$120/yr

*Don't waste money on unlimited data - Avg. data usage is only 3-5GBSavings$60/mo$720/yr

What is a SIM Card for a smart watch?

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 smart watch 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.

Related: Guide to SIM Card Sizes

Why do smart watches need SIM cards?

When you're planning to invest in a standalone smartwatch with high-tech communication capabilities, you'll need to get a smartwatch SIM card. The GSM SIM card is the most popular type of SIM card, so, whether you have an Apple iPhone or an Android phone, you may already be familiar with its compatible devices.

Even if you don't use the Apple iPhone, Samsung Galaxy, Apple Watch or Samsung Gear yet, you'll benefit from having a watch at your disposal that makes phone calls, track your heart rate and more whether or not it needs a SIM card.

For devices that require SIM cards to enable complete connectivity, you'll need to invest in one that lets your standalone smartwatch work without having a mobile phone in close proximity. Many smartwatches sync with your cell phone and will only work when your device is in range.

If you buy a smartwatch that works as a standalone device, you'll be able to access the internet while receiving calls and texts with a gadget that functions independently from your phone or tablet. This convenience is a top selling point for this type of smartwatch given that you'll have all of the information you need anywhere and at any time right there on your wrist.

Best 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

Now that you're familiar with SIM cards and smart watches, take your search a step further to discover devices like GPS trackers, alarm systems, and tablets, which can also require SIM cards.

Because you won't need to keep your mobile phone by your side at all times with a standalone smartwatch, you can weigh your options to find the right device for you today.

Joanne Wilkes
Joanne Wilkes

Jo has been helping people save money in the US and UK since 2012 in the internet, TV and cell phone industries. She loves helping people get the best value for their budget without the stress.

Prepaid SIM Card Comparison