Mobile Providers with Sim Only Plans

At WhistleOut, our experts compare more than 120 plans from over 15 providers, including all the major telcos. That's why we think we're in a good position to give you an honest overview of each provider in our database.

Circles.Life

All Circles.Life SIM-only plans have no contracts with 30-day renewal cycles that come with free caller ID and inbound SMS, plus 25 outgoing SMS per month across the entire range of plans and unlimited access to CirclesAI, powered by OpenAI GPT 4o.

Most Popular Circles.Life SIM-Only Plans

Data Only 4G

50GB data
on M1 4G network
No Calls Included

+ $0.30 Upfront

Min. cost $8.30

Link not supplied

+ $0.30 Upfront

Min. cost $8.30

Link not supplied

Eight

All plans come with International Direct Dial (IDD), international roaming and other perks. eight likes to take its name literally, with plans that have lots of 8s in them in terms of price, data, call minutes and messages.

Double Eight 4G SIM Only

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

Min. cost $8

Link not supplied

Min. cost $8

Link not supplied

ZYM Mobile

The telco has been selling Singaporeans SIM-only mobile plans since 2021, most of which have roaming inclusions. ZYM Mobile SIM-only plans are all no-contract monthly offerings, which have several free inclusions: number port-in, caller ID, incoming calls and incoming SMS.

Simba

SIMBA is the not-so-new name for a mobile and internet provider that used to be called TPG. No matter which SIMBA plan you go with, expect hundreds of gigabytes of data. All SIMBA SIM-only plans have no contracts, 30-day expiries, 5G access, eSIM support, unlimited local call minutes to mobiles, and unlimited SMS to other SIMBA mobile users.

Zero1

Zero1 SIM-only plans are all no-contract offerings that don’t have excess data charges. They also have free caller ID, free incoming calls and free incoming SMS.

Singtel

Singtel owns the largest mobile network for users seeking a 4G or 5G mobile plan. Users can choose from SIM-only plans, postpaid plans bundled with a mobile phone or tablet, or prepaid plans. The more you pay, the more data, call minutes, messages, and plan features are included.

Maxx

M1 Maxx, as the name implies, is a sub-brand of M1. Maxx is exclusively focused on providing competitively priced SIM-only mobile plans in Singapore. The telco doesn’t offer any prepaid plans. There may only be a few SIM-only choices, but they’re all priced under $20 for 30-day, zero-contract plans.

M1

M1 has bragging rights to being Singapore’s first digital network operator. M1 offers a mix of SIM-only, postpaid (with a device) and prepaid plans, on its 4G and 5G mobile networks.

Vivifi

There are around a dozen VIVIFI SIM-only plans. All VIVIFI plans operate on a monthly payment cycle and have a $12 upfront fee. They also have free incoming calls from Singaporean numbers, free incoming SMS (global), free caller ID and no extra charge for a physical SIM card.

Roam Asia Super 5G

400GB data
on Singtel's 5G network in selected areas with 5G devices
800 Minutes
100 Messages
Deal: Get 3 months free for new sign up + 6 months free for port-ins (non-Singtel port in)

$15

Min. cost $15

Link not supplied

$15

Min. cost $15

Link not supplied

CMLink

CMLink is a telecommunications company that offers global data SIMs, with a mobile presence in Italy, Japan, Thailand, the United Kingdom and Singapore. The “CM” in CMLink is an abbreviation for “China Mobile”, which helps explain why CMLink SIM-only plans have data allowances that are shareable across Singapore, Hong Kong and China.

StarHub

StarHub is one of four mobile network operators in Singapore, alongside Singtel, M1 and SIMBA. The mobile provider also has giga, eight, and redONE as sub-brands. StarHub has been operating in Singapore for more than 25 years.

MyRepublic

MyRepublic has been around for more than a decade. They have a range of cheap to pricier plans, offered on either the M1 4G or M1 5G mobile network.

GOMO

GOMO is a SIM-only mobile provider in Singapore that’s owned by Singtel. Two of GOMO’s mobile plans operate on the Singtel 4G network, but there are three GOMO plans that have access to the Singtel 5G network. All GOMO plans have no contracts and operate on 30-day renewal cycles. They come with free caller ID, incoming calls and inbound SMS.

5G+ Pro Lite SIM Only

500GB data
on Singtel's 5G network in selected areas with 5G devices
800 Minutes
800 Messages
Deal: $10.50/mth for first month, $20.99/mth thereafter. Use code 1010SALE

$20.99

+ $2 Upfront

Min. cost $12.50

Link not supplied

$20.99

+ $2 Upfront

Min. cost $12.50

Link not supplied

Giga

giga is a mobile provider in Singapore that sells 4G and 5G SIM-only plans that operate on the StarHub network. There are five main SIM-only plans on offer, which all operate on 30-day renewal cycles. All giga mobile plans come with included Asia roaming data (for use in Malaysia, Thailand, Indonesia, India and South Korea), free caller ID, incoming calls and inbound SMS.

100GB 4G SIM Only

100GB data
on StarHub 4G network
300 Minutes
300 Messages

$10.19

+ $2.04 Upfront

Min. cost $12.23

Link not supplied

$10.19

+ $2.04 Upfront

Min. cost $12.23

Link not supplied

WhizComms

WhizComms offer 3 travel esim plans that all include unlimited data for 14 days. The more you pay, the more countries you can roam.

redOne

First founded in Malaysia in 2012, redONE launched in Singapore in 2019 and has been selling postpaid mobile plans ever since. There are a few plan options, all of which offer hundreds of gigabytes of local data without any excess data fees.

Best 10

250GB data
on StarHub 4G network
500 Minutes
200 Messages

$10.90

Min. cost $10.90

Link not supplied

$10.90

Min. cost $10.90

Link not supplied

Changi Mobile

All Changi Mobile SIM-only plans include free incoming calls, incoming SMS, caller ID and port-in. There are also no contracts for any Changi Mobile plans, and there are zero activation fees. But you may have to pay a fee for SIM card delivery.

Most Popular Changi Mobile SIM-Only Plans

480GB FlexiMax SIM Only

480GB data
on M1 network
1000 Minutes
200 Messages

$25

+ $5 Upfront

Min. cost $30

Link not supplied

$25

+ $5 Upfront

Min. cost $30

Link not supplied

Compare phones and plans from the following carriers...

Latest Mobile Phone News

21 October 2025

WhistleOut Singapore

Mobile Phone Brands

Mobile Phone Carriers

Broadband Providers

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
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
SIMBA	SIMBA Seniors Go Digital SIM Only 400GB data SIMBA mobile digital network (5G) Unlimited National Calls 100 Messages $5 Min. cost $5 Go	$5 Min. cost $5	Go
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
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

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
M1 Editor's Pick	M1 Editor's Pick 5G SIM Only 300GB 1024GB data M1 5G network 1000 Minutes 1000 Messages Deal: Bonus 724GB is for local data usage + $3 off first 3 months for new sign-ups and port-ins only $17.95 Min. cost $14.95 Go	$17.95 Min. cost $14.95	Go
M1	M1 5G SIM Only 350GB 1024GB data M1 5G network 1000 Minutes 1000 Messages Deal: Bonus 674GB is for local data usage + $5 off first 3 months for new sign-ups and port-ins only $22.95 Min. cost $17.95 Go	$22.95 Min. cost $17.95	Go

ZYM Mobile	ZYM Mobile Flexi Duo Data Only Plan 77GB data on Singtel network No Calls Included Deal: Free eVoucher worth $190 + 1x chances to win Galaxy Buds 3, worth $258 $7 + $3 Upfront Min. cost $10 Go	$7 + $3 Upfront Min. cost $10	Go
ZYM Mobile	ZYM Mobile Roam Saver 4G SIM Only 200GB data on Singtel network 300 Minutes 100 Messages Deal: Get 100GB of bonus Malaysia Roaming Data for 365 days $7.77 + $3 Upfront Min. cost $10.77 Go	$7.77 + $3 Upfront Min. cost $10.77	Go
ZYM Mobile	ZYM Mobile Roam Smart 5G+ SIM Only 400GB data on Singtel's 5G network 2000 Minutes 100 Messages Deal: $15.10 rebate for 3 mths (from 4th-6th for a new number) + 600GB of bonus Malaysia, Indonesia & Thailand Roaming Data for 365 days $15.10 + $3 Upfront Min. cost $18.10 Go	$15.10 + $3 Upfront Min. cost $18.10	Go
ZYM Mobile	ZYM Mobile Roam Plus 4G SIM Only 300GB data on Singtel network 1000 Minutes 100 Messages Deal: $10.10 rebate for 3 mths (from 4th-6th for a new number) + 600GB of bonus Malaysia, Indonesia & Thailand Roaming Data for 365 days $10.10 + $3 Upfront Min. cost $13.10 Go	$10.10 + $3 Upfront Min. cost $13.10	Go
ZYM Mobile	ZYM Mobile Roam Eco 5G+ SIM Only 500GB data on Singtel's 5G network 1000 Minutes 100 Messages Deal: $15.10 rebate for 3 mths (from 4th-6th for a new number) + 600GB of bonus Malaysia, Indonesia & Thailand Roaming Data for 365 days $17.10 + $3 Upfront Min. cost $20.10 Go	$17.10 + $3 Upfront Min. cost $20.10	Go

Zero1	Zero1 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 Go	$7.06 Min. cost $7.06	Go
Zero1	Zero1 Streamo Bold 4G 300GB data on Singtel's 4G network 300 Minutes 100 Messages Deal: Stay 3 months, get the next 3 months free + 5G included for 3 months + 600GB roaming in Malaysia & Indonesia for 365 days + $10.10 Min. cost $10.10 Go	$10.10 Min. cost $10.10	Go
Zero1	Zero1 Streamo Freedom 4G 400GB data on Singtel's 4G network 600 Minutes 100 Messages Deal: Stay 3 months, get the next 3 months free + 5G included for 3 months + 600GB roaming in Malaysia, Indonesia and Thailand for 365 days $15 Min. cost $15 Go	$15 Min. cost $15	Go
Zero1	Zero1 Movemo Dash 5G 500GB data on Singtel's 5G network in selected areas with 5G devices 300 Minutes 100 Messages Deal: Stay 3 months, get the next 3 months free + 600GB roaming in Malaysia, Indonesia and Thailand for 365 days $20 Min. cost $20 Go	$20 Min. cost $20	Go
Zero1	Zero1 Movemo Vibe 4G 400GB data on Singtel's 4G network 300 Minutes 100 Messages Deal: Stay 3 months, get the next 3 months free + 5G included for 3 months + 600GB roaming in Malaysia & Indonesia for 365 days + $12 Min. cost $12 Go	$12 Min. cost $12	Go

Singtel	Singtel 5G YAY! Monthly Plan 230GB data Singtel 5G network 2500 Minutes 500 Messages $19.90 Per 30 Day Renewal Go	$19.90 Per 30 Day Renewal	Go
Singtel	Singtel 5G $15 Ultimate Monthly Plan 10GB data Singtel 5G network 500 Minutes 100 Messages $15 Per 30 Day Renewal Go	$15 Per 30 Day Renewal	Go
Singtel	Singtel 5G+ $35 Ultimate Monthly Plan Unlimited data Singtel 5G network Unlimited National Calls & SMS $35 Per 30 Day Renewal Go	$35 Per 30 Day Renewal	Go
Singtel	Singtel Enhanced Lite SIM Only 5G+ 150GB data Singtel 5G network Contract (12 mths) 400 Minutes 400 Messages Deal: Discounted to $24.50/mth + Get up to $800 one-time cashback when you add a phone with PayLater $24.50 + $32.70 Upfront Min. cost $326.70 Go	$24.50 + $32.70 Upfront Min. cost $326.70	Go
Singtel	Singtel Enhanced Core SIM Only 5G+ 300GB data Singtel 5G network 700 Minutes 700 Messages Deal: Get up to $800 one-time cashback when you add a phone with PayLater $40 + $32.70 Upfront Min. cost $72.70 Go	$40 + $32.70 Upfront Min. cost $72.70	Go

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
Maxx	Maxx 400GB SIM Only 400GB data on M1 5G network 500 Minutes 50 Messages $10 Min. cost $10 Go	$10 Min. cost $10	Go
Maxx	Maxx 500GB SIM Only 500GB data on M1 5G network 500 Minutes 50 Messages $12 Min. cost $12 Go	$12 Min. cost $12	Go

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
CMLink	CMLink 30GB 4G SIM Only 30GB data on Singtel's 4G network 100 Minutes 100 Messages Deal: Free 600GB Malaysia roaming for 365 days. Limited time only. $10.90 Min. cost $10.90 Go	$10.90 Min. cost $10.90	Go
CMLink	CMLink Unlimited 5G SIM Only Unlimited data on Singtel's 4G network 400 Minutes 400 Messages Deal: Free 600GB Malaysia roaming for 365 days. Limited time only. $31.10 Min. cost $31.10 Go	$31.10 Min. cost $31.10	Go
CMLink	CMLink 300GB 4G SIM Only 300GB data on Singtel's 4G network 300 Minutes 100 Messages Deal: 50% credit rebate for 6 months for new sign-ups $10.10 Min. cost $10.10 Go	$10.10 Min. cost $10.10	Go
CMLink	CMLink 400GB 4G SIM Only 400GB data on Singtel's 4G network 600 Minutes 100 Messages Deal: 50% credit rebate for 6 months for new sign-ups $15 Min. cost $15 Go	$15 Min. cost $15	Go

StarHub	StarHub Medium 5G SIM Only 150GB data StarHub 5G network 1000 Minutes 500 Messages Deal: Exclusive for new sign-ups: Free 12-month subscription to SmartSupport Lite + Free 12-month ScamSafe $22 Min. cost $22 Go	$22 Min. cost $22	Go
StarHub	StarHub Senior 5G SIM Only 100GB data StarHub 5G network 1000 Minutes 500 Messages $15 Min. cost $15 Go	$15 Min. cost $15	Go
StarHub	StarHub Large 5G SIM Only 200GB data StarHub 5G network 1500 Minutes 750 Messages Deal: Exclusive for new sign-ups: Free 12-month subscription to SmartSupport Lite + Free 12-month ScamSafe $32 Min. cost $32 Go	$32 Min. cost $32	Go

MyRepublic	MyRepublic 4G Flex 150GB data on M1 4G network 100 Minutes 50 Messages Deal: New sign up & Port-in: $5.90/mth for first 2 mths, thereafter $6/mth $6/mth Min. cost $5.90 Go	$6/mth Min. cost $5.90	Go
MyRepublic	MyRepublic 4G Unlimited Data Unlimited data on M1 4G network 2000 Minutes 2000 Messages $25.90/mth Min. cost $25.90 Go	$25.90/mth Min. cost $25.90	Go
MyRepublic	MyRepublic 4G Essential 288GB data on M1 4G network 200 Minutes 100 Messages Deal: New sign up: $7.90/mth for first 6 mths, thereafter $9.90/mth $7.90/mth Min. cost $7.90 Go	$7.90/mth Min. cost $7.90	Go
MyRepublic	MyRepublic 4G Classic 500GB data on M1 4G network 400 Minutes 400 Messages Deal: New sign up: $10.90/mth for first 6 mths, thereafter $14.90/mth $10.90/mth Min. cost $10.90 Go	$10.90/mth Min. cost $10.90	Go
MyRepublic	MyRepublic 5G Ultra $19.95 800GB data M1 5G network 1400 Minutes 1400 Messages Deal: New Sign-Up: First month free, $13.99/month for 2 months, then $19.95/month. Promo Code: JUSTRY5G $19.95/mth Min. cost $19.95 Go	$19.95/mth Min. cost $19.95	Go

Most Popular Mobile Providers

Mobile Providers with Sim Only Plans

Data Only 4G

Double Eight 4G SIM Only

Flexi Duo Data Only Plan

Roam Saver 4G SIM Only

Roam Smart 5G+ SIM Only

Roam Plus 4G SIM Only

Roam Eco 5G+ SIM Only

SuperRoam 10 SIM Only

SuperRoam 12 SIM Only

Seniors Go Digital SIM Only

SuperRoam 18 SIM Only

SuperRoam 20 SIM Only

Starter Prime 4G

Streamo Bold 4G

Streamo Freedom 4G

Movemo Dash 5G

Movemo Vibe 4G

5G YAY! Monthly Plan

5G $15 Ultimate Monthly Plan

5G+ $35 Ultimate Monthly Plan

Enhanced Lite SIM Only 5G+

Enhanced Core SIM Only 5G+

290GB SIM Only

400GB SIM Only

500GB SIM Only

5G SIM Only 150GB

5G SIM Only 300GB

5G SIM Only 350GB

Roam Asia Super 5G

200GB 4G SIM Only

30GB 4G SIM Only

Unlimited 5G SIM Only

300GB 4G SIM Only

400GB 4G SIM Only

Medium 5G SIM Only

Senior 5G SIM Only

Large 5G SIM Only

4G Flex

4G Unlimited Data

4G Essential

4G Classic

5G Ultra $19.95

5G+ Pro Lite SIM Only

100GB 4G SIM Only

Best 10

480GB FlexiMax SIM Only

Compare phones and plans from the following carriers...

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