Cheapest SIM-only plans in Singapore

By Nathan Lawrence

Last updated 10 October 2025

Contents

In this guide:

Cheapest SIM-only plan overall
Cheapest SIM-only plan on the Singtel network
Cheapest SIM-only plan on the StarHub network
Cheapest SIM-only plan on the M1 network
Cheapest SIMBA SIM-only plan
Cheapest prepaid SIM-only plan
FAQ

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 from 5G plans. Whether you're after a cheap prepaid SIM or a cheap SIM-only plan, scroll on for your options.

Cheapest SIM-only plan overall

Starter Prime 4G

200GB data
on Singtel's 4G network
300 Minutes
100 Messages
Deal: Roam Malaysia 100GB for 365 days

$7.06

Min. cost $7.06

$7.06

Min. cost $7.06

The cheapest mobile plan in Singapore is the Starter Prime 4G plan from Zero1. It costs $7.06 and comes with 200GB of Singtel 4G data, 300 local call minutes, and 100 local messages. For international roaming, it also comes with 100GB of roaming data for use in Malaysia (365-day expiry) and an additional 3GB of data for Malaysia, Indonesia, Thailand, Taiwan, the Philippines, and India.

The Starter Prime 4G SIM Only plan has competition from other cheap mobile plans in our database, namely from CMLink, eight, Maxx, MyRepublic, VIVIFI, and ZYM Mobile, which have similarly priced plans.

#1	MyRepublic	MyRepublic 4G Flex 150GB data on M1 4G network 100 Minutes 50 Messages $6/mth Min. cost $6 Go	$6/mth Min. cost $6	Go
#2	CMLink	CMLink 200GB 4G SIM Only 200GB data on Singtel's 4G network 300 Minutes 100 Messages Deal: 100GB Malaysia roaming for 365 days + enjoy a 5G trial when you port in. $7.70 Min. cost $7.70 Go	$7.70 Min. cost $7.70	Go
#3	VIVIFI	VIVIFI Roam Value 4G 200GB data on Singtel's 4G network 300 Minutes 100 Messages $7.70 Min. cost $7.70 Link not supplied	$7.70 Min. cost $7.70	Link not supplied
#4	ZYM Mobile	ZYM Mobile Roam Saver 4G 200GB data on Singtel network 300 Minutes 100 Messages Deal: Free eVoucher worth $190 + 1x chances to win Galaxy Buds 3, worth $258 $7.77 + $3 Upfront Min. cost $10.77 Link not supplied	$7.77 + $3 Upfront Min. cost $10.77	Link not supplied
#5	Maxx	Maxx 290GB SIM Only 290GB data on M1 network 500 Minutes 99 Messages Deal: Online Exclusive: $7.90 promotional price 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
#6	Eight Editor's Pick	Eight Editor's Pick Double Eight 4G SIM Only 388GB data on StarHub 4G network 588 Minutes 88 Messages $8 Min. cost $8 Go	$8 Min. cost $8	Go

Cheapest SIM-only plan on the Singtel network

Starter Prime 4G

200GB data
on Singtel's 4G network
300 Minutes
100 Messages
Deal: Roam Malaysia 100GB for 365 days

$7.06

Min. cost $7.06

$7.06

Min. cost $7.06

That same Zero1 plan from above is the cheapest postpaid pick on the Singtel mobile network. For just $7.06 per month, you get 300 call minutes, 100 SMS, 200GB local data, 100GB Malaysia data (over 365 days), and an additional 3GB data for Malaysia, Indonesia, Thailand, Taiwan, the Philippines, and India.

Below is a look at the cheapest SIM-only plans from other providers in our database that operate on the Singtel mobile network.

#1	CMLink	CMLink 200GB 4G SIM Only 200GB data on Singtel's 4G network 300 Minutes 100 Messages Deal: 100GB Malaysia roaming for 365 days + enjoy a 5G trial when you port in. $7.70 Min. cost $7.70 Go	$7.70 Min. cost $7.70	Go
#2	VIVIFI	VIVIFI Roam Value 4G 200GB data on Singtel's 4G network 300 Minutes 100 Messages $7.70 Min. cost $7.70 Link not supplied	$7.70 Min. cost $7.70	Link not supplied
#3	ZYM Mobile	ZYM Mobile Roam Saver 4G 200GB data on Singtel network 300 Minutes 100 Messages Deal: Free eVoucher worth $190 + 1x chances to win Galaxy Buds 3, worth $258 $7.77 + $3 Upfront Min. cost $10.77 Link not supplied	$7.77 + $3 Upfront Min. cost $10.77	Link not supplied
#4	GOMO	GOMO 4G Saver SIM Only 100GB data on Singtel's 4G network 100 Minutes 100 Messages $10.18 + $2 Upfront Min. cost $12.18 Go	$10.18 + $2 Upfront Min. cost $12.18	Go
#5	Singtel	Singtel $12 hi! 4G Monthly Plan 250GB data Singtel 4G network 300 Minutes 50 Messages Deal: $10/mth for 12 months when you transfer an existing number to hi! $12 Per 30 Day Renewal Go	$12 Per 30 Day Renewal	Go

Cheapest SIM-only plan on the StarHub network

Editor's Pick

Double Eight 4G SIM Only

388GB data
on StarHub 4G network
588 Minutes
88 Messages

Min. cost $8

The sub-$10 trend continues for those hunting the cheapest mobile plan in Singapore on the StarHub network. For $8 per 30 days, you get 388GB of StarHub 4G data, 588 local call minutes, and 88 local messages with the eight Double Eight SIM Only plan. It comes with 388GB of data, 10GB of APAC roaming data for six destinations, and 2GB of data for 58 international roaming destinations. Sign up to also get 376 combined International Direct Dial (IDD) call minutes to 30 destinations.

You don't have to spend a whole lot more for other cheap mobile plans on the StarHub network. For under $15, there are alternatives from giga and redONE, albeit with less data. There's another cheap SIM-only plan from eight with even more inclusions for under $12. Check out other cheap phone plans in Singapore below, all of which operate on the StarHub network.

#1	Eight Editor's Pick	Eight Editor's Pick Double Eight 4G SIM Only 388GB data on StarHub 4G network 588 Minutes 88 Messages $8 Min. cost $8 Go	$8 Min. cost $8	Go
#2	Giga	Giga 100GB 4G SIM Only 100GB data on StarHub 4G network 300 Minutes 300 Messages $10.19 + $2.04 Upfront Min. cost $12.23 Go	$10.19 + $2.04 Upfront Min. cost $12.23	Go
#3	redONE	redONE Best 10 450GB data on StarHub 4G network 500 Minutes 200 Messages $10.90 Min. cost $10.90 Go	$10.90 Min. cost $10.90	Go
#4	StarHub	StarHub 5G Lite 150GB data StarHub 5G network 1000 Minutes 750 Messages $22 Min. cost $22 Go	$22 Min. cost $22	Go

Cheapest SIM-only plan on the M1 network

290GB SIM Only

290GB data
on M1 network
500 Minutes
99 Messages
Deal: Online Exclusive: $7.90 promotional price for the first 12 cycles for new sign-ups and number port-ins

$7.90

Min. cost $7.90

$7.90

Min. cost $7.90

Maxx has a great deal for anyone looking for cheap phone plans in Singapore on the M1 network. The 290GB SIM Only plan normally costs $9.90 per month, but new customers and port-ins pay a cheaper $7.90 monthly fee for the first 12 months. In terms of basics, you get 290GB of 4G data to use in Singapore and Malaysia, 500 local call minutes, 99 local SMS, plus 10GB APAC data roaming and 2GB international roaming.

For the cheapest SIM-only plan, Singapore has other options on the M1 network. MyRepublic has the same typical pricing as our top pick, but with fewer inclusions and promotional pricing that only last six months. You'll need to spend just under $15 a month for M1's cheapest SIM-only plan. For comparison, here's a look at the cheapest mobile plans from our database that operate on the M1 network.

#1	MyRepublic	MyRepublic 4G Flex 150GB data on M1 4G network 100 Minutes 50 Messages $6/mth Min. cost $6 Go	$6/mth Min. cost $6	Go
#2	Changi Mobile	Changi Mobile 180GB FlexiLite SIM Only 180GB data on M1 network 200 Minutes 50 Messages $10 + $5 Upfront Min. cost $15 Link not supplied	$10 + $5 Upfront Min. cost $15	Link not supplied
#3	Circles.Life	Circles.Life 4G Core 350GB data on M1 4G network Unlimited National Calls $10.80 + $0.30 Upfront Min. cost $11.10 Link not supplied	$10.80 + $0.30 Upfront Min. cost $11.10	Link not supplied
#4	M1	M1 5G SIM Only 150GB 150GB data M1 5G network 1000 Minutes 1000 Messages 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

Cheapest SIMBA SIM-only plan

Editor's Pick

SuperRoam 10 SIM Only

400GB data
SIMBA mobile digital network (5G)
Unlimited National Calls
100 Messages

$10

Min. cost $10

$10

Min. cost $10

SIMBA is the only provider operating on its own network. For the cheapest SIM-only plan from SIMBA, consider the SuperRoam 10 SIM Only for $10 per 30 days. It comes with 400GB of SIMBA 5G data, unlimited calls to Singapore mobile numbers, 500 minutes of local fixed calls and IDD (21 destinations), and 100 local SMS. Users get free SMS to SIMBA mobile numbers. There are also great roaming perks, like free voice roaming, 3GB of international roaming for 67 destinations, and 12GB of APAC data for use in seven destinations. This SIMBA plan also comes with 100 IDD call minutes to Myanmar.

To see how it compares to other SIMBA plans, see below.

#1	SIMBA Editor's Pick	SIMBA Editor's Pick SuperRoam 10 SIM Only 400GB data SIMBA mobile digital network (5G) Unlimited National Calls 100 Messages $10 Min. cost $10 Go	$10 Min. cost $10	Go
#2	SIMBA Editor's Pick	SIMBA Editor's Pick SuperRoam 12 SIM Only 500GB data SIMBA mobile digital network (5G) Unlimited National Calls 100 Messages $12 Min. cost $12 Go	$12 Min. cost $12	Go
#3	SIMBA	SIMBA SuperRoam 18 SIM Only 500GB data SIMBA mobile digital network (5G) Unlimited National Calls 100 Messages $18 Min. cost $18 Go	$18 Min. cost $18	Go
#4	SIMBA	SIMBA SuperRoam 20 SIM Only 600GB data SIMBA mobile digital network (5G) Unlimited National Calls 100 Messages $20 Min. cost $20 Go	$20 Min. cost $20	Go
#5	SIMBA	SIMBA SuperRoam 25 SIM Only 700GB data SIMBA mobile digital network (5G) Unlimited National Calls 100 Messages $25 Min. cost $25 Go	$25 Min. cost $25	Go
#6	SIMBA	SIMBA SuperRoam 39 SIM Only (Online Exclusive) 500GB data SIMBA mobile digital network (5G) Unlimited National Calls 100 Messages $39 Min. cost $39 Go	$39 Min. cost $39	Go

Cheapest prepaid SIM-only plan

228GB Tourist eSIM

228GB data
on StarHub 4G network
No Calls Included

Starter Pack

30 Day Expiry

Starter Pack

30 Day Expiry

The cheapest prepaid SIM in our database is the eight 228GB Tourist eSIM. It costs $8 per month and comes with 228GB of StarHub 4G data, 10GB APAC roaming data and 2GB international roaming data. Note, this plan does not include any calls or SMS.

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	Singtel	Singtel $12 hi! 4G Monthly Plan 250GB data Singtel 4G network 300 Minutes 50 Messages Deal: $10/mth for 12 months when you transfer an existing number to hi! $12 Per 30 Day Renewal Go	$12 Per 30 Day Renewal	Go
#2	M1	M1 100GB Tourist eSIM 100GB data M1 4G network 500 Minutes 100 Messages $12 Starter Pack 15 Day Expiry Go	$12 Starter Pack 15 Day Expiry	Go
#3	StarHub	StarHub $12 Traveler Data eSIM 100GB data Network: M1 No Calls Included $12 Starter Pack 14 Day Expiry Go	$12 Starter Pack 14 Day Expiry	Go
#4	WhizComms	WhizComms $20 Neighbour Tourist eSIM Unlimited data on Singtel's 4G network No Calls Included Deal: Free 10GB Malaysia 90-day pass $20 Starter Pack 14 Day Expiry Link not supplied	$20 Starter Pack 14 Day Expiry	Link not supplied

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 4G plan, which is priced at just $7.06 per month.

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.