Cheapest SIM-only plans in Singapore

You don't have to spend a lot each month to get a lot of data from the cheapest SIM-only plan options in Singapore. For under $10, you can get hundreds of gigabytes of data, local calls, and texts within Singapore. Up that budget to $20, and you can get even more data with 5G network access. Whether you're after a cheap prepaid SIM or a cheap SIM-only plan, scroll on for your options.

Cheapest SIM-only plan in Singapore overall

Zero1

Zero1 Starter FE 4G 200GB data on Singtel's 4G network 300 Minutes 100 Messages International Roaming Deal: Get your 3rd month free on Starter Prime + 5G included for 3 months + Roam Malaysia 100GB for 365 days $7.70 Min. cost $7.70 Go

$7.70 Min. cost $7.70

Go

Sorted by price

See More Plans ~ Last Updated 13/9/2026

Powered By

How WhistleOut Works

The cheapest mobile plan in Singapore is the Starter Prime plan from Zero1. This bare-bones but budget-friendly plan costs just $7.06 per month and comes with 200GB of local data on the Singtel 4G network, 5GB data roaming for use in Malaysia, Indonesia, Thailand, Taiwan, Philippines and India, 100GB extra Malaysia roaming data (365-day expiry), plus 300 local call minutes and 100 local messages.

Also consider:

This plan has competition from other cheap mobile plans in our database, namely from CMLink, eight, Maxx, VIVIFI, and ZYM Mobile, which are slightly pricier.

#1	MyRepublic	MyRepublic 4G Flex 150GB data Network: M1 100 Minutes 50 Messages International Roaming $6.00/mth Min. cost $6 Go	$6.00/mth Min. cost $6	Go
#2	MyRepublic	MyRepublic 4G Vibe 300GB data Network: M1 150 Minutes 50 Messages International Roaming Deal: New sign up: $7.20/mth for first 6 mths, thereafter $7.90/mth $7.20/mth Min. cost $7.20 Go	$7.20/mth Min. cost $7.20	Go
#3	CMLink	CMLink 200GB 4G SIM Only 200GB data on Singtel's 4G network 300 Minutes 100 Messages International Roaming Deal: Free 100GB Malaysia roaming for 365 days for new sign-ups only + get 1 month free credit rebate for port-in $7.70 Min. cost $7.70 Go	$7.70 Min. cost $7.70	Go
#4	VIVIFI	VIVIFI Roam Value 4G 200GB data on Singtel's 4G network 300 Minutes 100 Messages International Roaming $7.70 Min. cost $7.70 Go	$7.70 Min. cost $7.70	Go
#5	ZYM Mobile	ZYM Mobile Roam Saver 4G 200GB data on Singtel network 300 Minutes 100 Messages International Roaming Deal: Free eVoucher worth $190 $7.77 + $3 Upfront Min. cost $10.77 Go	$7.77 + $3 Upfront Min. cost $10.77	Go
#6	Maxx	Maxx 290GB SIM Only 290GB data on M1 network 500 Minutes 99 Messages International Roaming Deal: Online Exclusive: $7.90 promotional price (usually $9.90) for the first 12 cycles for new sign-ups and number port-ins $7.90 Min. cost $7.90 Go	$7.90 Min. cost $7.90	Go

Sorted by price

See More Plans ~ Last Updated 13/9/2026

Powered By

How WhistleOut Works

Cheapest 5G SIM-only plan in Singapore

#1	Maxx	Maxx 500GB SIM Only 500GB data on M1 5G network 500 Minutes 50 Messages International Roaming Deal: Free 5G is valid for 6 months $10.00 Min. cost $10 Go	$10.00 Min. cost $10	Go
#2	SIMBA Editor's Pick	SIMBA Editor's Pick SuperRoam 10 SIM Only 500GB data SIMBA mobile digital network (5G) Unlimited National Calls & SMS International Roaming Deal: Free $16 Recharge Pack for new & port-in $10.00 Min. cost $10 Go	$10.00 Min. cost $10	Go

Sorted by price

See More Plans ~ Last Updated 13/9/2026

Powered By

How WhistleOut Works

Want to keep your bill low while still getting fast 5G speeds? At $10 per month, there are two entries neck-and-neck for the cheapest 5G plan in Singapore: SIMBA's SuperRoam 10 plan and Maxx's 400GB plan.

SIMBA's plan comes with 500GB of data for use in Singapore, Hong Kong, Malaysia, Indonesia, and Thailand, unlimited local calls and texts, 500 fixed-line and IDD minutes, plus 12GB APAC roaming data and 3GB global roaming data.

Maxx, on the other hand, offers 400GB for use in Singapore and Malaysia, 500 local minutes, 50 local texts, a total of 580 IDD minutes to selected destinations, plus 13GB APAC roaming data and 3GB global roaming data.

Also consider:

eight, MyRepublic, and M1 also offer 5G plans for under $15 per month.

#1	Circles.Life	Circles.Life 5G Core 500GB data on M1 5G network Unlimited National Calls $8.00 + $0.70 Upfront Min. cost $8.70 Go	$8.00 + $0.70 Upfront Min. cost $8.70	Go
#2	CMLink	CMLink 600GB 4G SIM Only 600GB data on Singtel's 5G network 300 Minutes 100 Messages International Roaming Deal: 50% credit rebate for 6 mths for port-in + Free 45GB to 198 Destinations International Roaming for new or port-in + Free 600GB Thailand, Indonesia & Malaysia roaming (one-time valid 365 days) $10.10 Min. cost $10.10 Go	$10.10 Min. cost $10.10	Go
#3	MyRepublic	MyRepublic 5G Prime $12.95 350GB data Network: M1 500 Minutes 500 Messages Deal: $10.95/mth for first 6 mths, thereafter $12.95/mth $10.95/mth Min. cost $10.95 Go	$10.95/mth Min. cost $10.95	Go
#4	Eight	Eight Lucky Eight 5G SIM Only 788GB data on StarHub's 5G network Unlimited National Calls 128 Messages International Roaming $14.80 Min. cost $14.80 Go	$14.80 Min. cost $14.80	Go
#5	M1	M1 5G SIM Only 150GB 150GB data M1 5G network 1000 Minutes 1000 Messages International Roaming Deal: $3 off first 3 months for new sign-ups and port-ins only $14.95 Min. cost $11.95 Go	$14.95 Min. cost $11.95	Go
#6	VIVIFI	VIVIFI Roam Asia Super 5G+ 700GB data on Singtel's 5G network in selected areas with 5G devices 800 Minutes 100 Messages International Roaming Deal: Limited-Time Offer: 60GB Roaming Data to over 198 destinations worldwide (one-time valid 365 days) + Free 3 months (non-Singtel port in) $15.00 Min. cost $15 Go	$15.00 Min. cost $15	Go

Sorted by price

See More Plans ~ Last Updated 13/9/2026

Powered By

How WhistleOut Works

Best cheap SIM-only plan for roaming

SIMBA Editor's Pick

SIMBA Editor's Pick SuperRoam 10 SIM Only 500GB data SIMBA mobile digital network (5G) Unlimited National Calls & SMS International Roaming Deal: Free $16 Recharge Pack for new & port-in $10.00 Min. cost $10 Go

$10.00 Min. cost $10

Go

Sorted by price

See More Plans ~ Last Updated 13/9/2026

Powered By

How WhistleOut Works

Considering just about every SIM-only plan in Singapore includes some roaming inclusions, we've scoured our database to find the one with the best overall value, and that's SIMBA's SuperRoam 10 plan. In addition to 500GB of local 5G data (which can also be used in Hong Kong, Malaysia, Indonesia, and Thailand), this plan includes 12GB for use in seven APAC destinations and 3GB for use in over 60 destinations worldwide, plus free voice roaming. You also get 500 local fixed-line and IDD minutes, and unlimited local calls and texts.

Also consider:

Maxx and eight offer similar plans on the M1 and StarHub networks, respectively.

#1	Maxx	Maxx 500GB SIM Only 500GB data on M1 5G network 500 Minutes 50 Messages International Roaming Deal: Free 5G is valid for 6 months $10.00 Min. cost $10 Go	$10.00 Min. cost $10	Go
#2	CMLink	CMLink 600GB 4G SIM Only 600GB data on Singtel's 5G network 300 Minutes 100 Messages International Roaming Deal: 50% credit rebate for 6 mths for port-in + Free 45GB to 198 Destinations International Roaming for new or port-in + Free 600GB Thailand, Indonesia & Malaysia roaming (one-time valid 365 days) $10.10 Min. cost $10.10 Go	$10.10 Min. cost $10.10	Go
#3	MyRepublic	MyRepublic 5G Prime $12.95 350GB data Network: M1 500 Minutes 500 Messages Deal: $10.95/mth for first 6 mths, thereafter $12.95/mth $10.95/mth Min. cost $10.95 Go	$10.95/mth Min. cost $10.95	Go
#4	Eight	Eight Lucky Eight 5G SIM Only 788GB data on StarHub's 5G network Unlimited National Calls 128 Messages International Roaming $14.80 Min. cost $14.80 Go	$14.80 Min. cost $14.80	Go
#5	VIVIFI	VIVIFI Roam Asia Super 5G+ 700GB data on Singtel's 5G network in selected areas with 5G devices 800 Minutes 100 Messages International Roaming Deal: Limited-Time Offer: 60GB Roaming Data to over 198 destinations worldwide (one-time valid 365 days) + Free 3 months (non-Singtel port in) $15.00 Min. cost $15 Go	$15.00 Min. cost $15	Go
#6	Zero1	Zero1 Streamo Freedom 4G 700GB data on Singtel's 5G network in selected areas with 5G devices 600 Minutes 100 Messages International Roaming Deal: Stay 3 months, get the next 3 months free + 5G included for 6 months + 1TB roaming in Malaysia, Thailand & Indonesia for 365 days + Roam World 198 Countries 60GB (365 Days) $15.00 Min. cost $15 Go	$15.00 Min. cost $15	Go

Sorted by price

See More Plans ~ Last Updated 13/9/2026

Powered By

How WhistleOut Works

Cheapest unlimited data SIM-only plan

MyRepublic

MyRepublic 4G Rewardland Plan $18 Unlimited data Network: M1 2000 Minutes 100 Messages International Roaming Deal: $18 for your first month, then just $12 for the next four months with Reward Coins. New number & Non-M1 port-in $18.00/mth Min. cost $18 Go

$18.00/mth Min. cost $18

Go

Sorted by price

See More Plans ~ Last Updated 13/9/2026

Powered By

How WhistleOut Works

MyRepublic's $18 Rewardland Plan is a great deal for anyone looking for unlimited data for cheap. Although it's only 4G access, it's hard to beat $18 per month for unlimited data (1TB at normal speeds, unlimited speed-throttled data thereafter), 100GB roaming data for Malaysia, Indonesia, and Thailand, 20GB APAC roaming data, 2,000 minutes and 100 messages.

Also consider:

The next cheapest unlimited plans are quite a lot pricier (over $30 per month), but unlike MyRepublic, offer 5G network access.

#1	Maxx	Maxx 290GB SIM Only 290GB data on M1 network 500 Minutes 99 Messages International Roaming Deal: Online Exclusive: $7.90 promotional price (usually $9.90) for the first 12 cycles for new sign-ups and number port-ins $7.90 Min. cost $7.90 Go	$7.90 Min. cost $7.90	Go
#2	Circles.Life	Circles.Life 5G Core 500GB data on M1 5G network Unlimited National Calls $8.00 + $0.70 Upfront Min. cost $8.70 Go	$8.00 + $0.70 Upfront Min. cost $8.70	Go
#3	M1	M1 500GB Tourist eSIM 500GB data M1 4G network 100 Minutes 500 Messages International Roaming $12.00 Per 30 Day Renewal Go	$12.00 Per 30 Day Renewal	Go

Sorted by price

See More Plans ~ Last Updated 13/9/2026

Powered By

How WhistleOut Works

Cheapest data-only SIM plan

StarHub

StarHub Data Only Core 20GB data StarHub 5G network No Calls Included International Roaming $5.00 Min. cost $5 Go

$5.00 Min. cost $5

Go

Sorted by most minutes

See More Plans ~ Last Updated 13/9/2026

Powered By

How WhistleOut Works

Looking for a cheap SIM to keep your tablet or laptop connected? StarHub's Data Only Core plan costs just $5 per month for a decent 20GB of 5G data. If that's not enough, you can upgrade to 100GB for $15 per month. Both plans also come with 1GB of global roaming data.

Also consider:

Aside from StarHub, only ZYM Mobile and Circles.Life offer data-only plans in Singapore, the latter of which offers the best value overall.

#1	ZYM Mobile	ZYM Mobile Flexi Duo Data Only 77GB data on Singtel network No Calls Included International Roaming Deal: Free eVoucher worth $190 $7.00 + $3 Upfront Min. cost $10 Go	$7.00 + $3 Upfront Min. cost $10	Go
#2	Circles.Life	Circles.Life Data Only 4G Plus 500GB data on M1 4G network No Calls Included $12.00 + $0.70 Upfront Min. cost $12.70 Go	$12.00 + $0.70 Upfront Min. cost $12.70	Go
#3	StarHub	StarHub Data Only Plus 100GB data StarHub 5G network No Calls Included International Roaming $15.00 Min. cost $15 Go	$15.00 Min. cost $15	Go
#4	Circles.Life	Circles.Life Data Only 5G 1000GB data on M1 5G network No Calls Included $20.00 + $0.70 Upfront Min. cost $20.70 Go	$20.00 + $0.70 Upfront Min. cost $20.70	Go

Sorted by most minutes

See More Plans ~ Last Updated 13/9/2026

Powered By

How WhistleOut Works

Cheapest prepaid SIM-only plan

Eight

Eight Double Eight Data Only Tourist Plan 588GB data on StarHub 4G network No Calls Included International Roaming $8.80 Starter Pack 30 Day Expiry Go

$8.80 Starter Pack 30 Day Expiry

Go

Sorted by price

See More Plans ~ Last Updated 13/9/2026

Powered By

How WhistleOut Works

The cheapest prepaid SIM in our database is eight's Double Eight Tourist eSIM. It costs $8 per month and comes with 528GB of StarHub 4G data, 12GB APAC roaming data and 3GB international roaming data. Note, this plan does not include any calls or SMS.

Also consider:

For cheap prepaid SIM alternatives, our database has a few alternatives from M1 and Singtel, which tend to include calls and SMS. For comparison, here's a list of the other cheapest prepaid SIMs we track in our database.

#1	Eight	Eight Fortune Eight Data Only Tourist Plan 688GB data on StarHub 4G network No Calls Included International Roaming $11.80 Starter Pack 30 Day Expiry Go	$11.80 Starter Pack 30 Day Expiry	Go
#2	StarHub	StarHub 4G Tourist eSIM Data Only 300GB data StarHub 4G network No Calls Included International Roaming $12.00 Starter Pack 30 Day Expiry Go	$12.00 Starter Pack 30 Day Expiry	Go
#3	M1	M1 250GB Data Only eSIM 250GB data M1 4G network No Calls Included International Roaming $13.00 Starter Pack 30 Day Expiry Go	$13.00 Starter Pack 30 Day Expiry	Go
#4	Singtel Editor's Pick	Singtel Editor's Pick $15 hi! Tourist eSIM 500GB data Singtel 4G network Unlimited National Calls & SMS International Roaming $15.00 Starter Pack 30 Day Expiry Go	$15.00 Starter Pack 30 Day Expiry	Go

Sorted by price

See More Plans ~ Last Updated 13/9/2026

Powered By

How WhistleOut Works

Cheap SIM-only plans FAQ

Which is the cheapest SIM-only plan in Singapore?

The cheapest SIM-only plan in Singapore is the Zero1 Starter Prime plan, which is priced at just $7.06 per month.

Can I switch providers and keep my number in Singapore?

Yes! Just about every telco in Singapore allows you to port in your old number when you switch mobile providers.

Where can you buy a cheap SIM card?

You can buy a cheap SIM from any mobile provider's store, website or app, or you can grab one from a convenience store.

Where can you buy SIM cards in Changi Airport?

There are multiple places to buy SIM cards at Changi Airport, available at all four terminals. Look out for Cheers, 7-Eleven, Money Changers, Changi Recommends, and StarHub stores for SIM cards. Alternatively, consider using an eSIM on compatible mobile phones and purchasing your eSIM online.

Nathan Lawrence

Nathan Lawrence is a freelancer writer with over 11 years of experience. He has contributed to publications including WhistleOut Australia, Review.org/au, IGN, STACK, Fandom, Red Bull, and AusGamers. Nathan specialises in researching, writing, and editing content around technology, telecommunications, and gaming.

Read full bio