Most Popular Mobile Providers

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.

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

Circles.Life
Circles.Life

5G Most Unrestricted

  • 450GB data
  • Unlimited National Calls
  • 25 Messages
  • whistleOut Exclusive: 450GB for just $12/month for the first 6 months, reverts to 250GB at $18 forever after. T&Cs apply.
$12
+ $0.30 Upfront
Min. cost $12.30
Circles.Life
Circles.Life

50GB Data Only

  • 50GB data
  • No Calls Included
$8
+ $8 Upfront
Min. cost $16
Circles.Life
Circles.Life

4G Special

  • 350GB data
  • Unlimited National Calls
  • 25 Messages
  • Deal: Get 350GB for just $12.80/month for the first 3 months, reverts to 150GB for $15 forever after
$15
+ $0.30 Upfront
Min. cost $13.19
Circles.Life
Circles.Life

100GB Borderless 4G

  • 100GB data
  • 300 Minutes
  • 25 Messages
$30
+ $0.30 Upfront
Min. cost $30.30
Circles.Life
Circles.Life

4G Lite

  • 200GB data
  • Unlimited National Calls
  • 25 Messages
  • Deal: Get 200GB for just $9.90/month for the first 3 months, reverts to 20GB for $12 forever after
$12
+ $0.30 Upfront
Min. cost $10.20
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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.

Most Popular Eight SIM-Only Plans

Eight
Eight
Editor's Pick

Double Eight SIM Only

  • 288GB data
  • 588 Minutes
  • 88 Messages
$8
Min. cost $8
Eight
Eight
Editor's Pick

Fortune Eight SIM Only

  • 488GB data
  • 688 Minutes
  • 128 Messages
$11.80
Min. cost $11.80
Eight
Eight

228GB Tourist eSIM

  • 228GB data
  • No Calls Included
$8
Per 30 Day Renewal
Eight
Eight
Editor's Pick

588GB Tourist eSIM

  • 588GB data
  • No Calls Included
$18
Per 30 Day Renewal
Eight
Eight
Editor's Pick

Triple Eight SIM Only

  • 588GB data
  • 888 Minutes
  • 188 Messages
$18
Min. cost $18
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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.

Most Popular ZYM Mobile SIM-Only Plans

ZYM Mobile
ZYM Mobile

Flexi Duo Data Only Plan

  • 77GB data
  • No Calls Included
  • Deal: $140 Samsung Tab eVoucher + $70 eVoucher for AirPod Pro Gen 2 + 1x chance to win Galaxy Watch 7 44MM BT, worth $498
$7
+ $3 Upfront
Min. cost $10
ZYM Mobile
ZYM Mobile

200GB Roam Saver SIM Only

  • 200GB data
  • 300 Minutes
  • 100 Messages
  • Deal: Get 100GB of bonus Malaysia Roaming Data for 365 days
$7.77
+ $3 Upfront
Min. cost $10.77
ZYM Mobile
ZYM Mobile

300GB Roam Eco 5G SIM Only

  • 300GB data
  • 1000 Minutes
  • 100 Messages
  • Deal: $10.10 rebate for 3 mths (from 4th-6th for a new number) + 600GB of bonus Malaysia & Indonesia Roaming Data for 365 days
$17.10
+ $3 Upfront
Min. cost $20.10
ZYM Mobile
ZYM Mobile

300GB Roam Plus SIM Only

  • 300GB data
  • 1000 Minutes
  • 100 Messages
  • Deal: 3 mths free from 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
ZYM Mobile
ZYM Mobile

400GB Roam Power 5G SIM Only

  • 400GB data
  • 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
$22.10
+ $3 Upfront
Min. cost $25.10
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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.

Most Popular Simba SIM-Only Plans

SIMBA
SIMBA

SuperRoam 10 SIM Only

  • 400GB data
  • Unlimited National Calls
  • 30 Messages
$10
Min. cost $10
SIMBA
SIMBA

SuperRoam 12 SIM Only

  • 500GB data
  • Unlimited National Calls
  • 100 Messages
$12
Min. cost $12
SIMBA
SIMBA

SuperRoam 20 SIM Only

  • 600GB data
  • Unlimited National Calls
  • 100 Messages
  • Deal: Free MSIG Personal Accident Insurance with SIMBA Mobile
$20
Min. cost $20
SIMBA
SIMBA

SuperRoam 18 SIM Only

  • 500GB data
  • Unlimited National Calls
  • 100 Messages
  • Deal: Free MSIG Personal Accident Insurance with SIMBA Mobile
$18
Min. cost $18
SIMBA
SIMBA

SuperRoam 25 SIM Only

  • 700GB data
  • Unlimited National Calls
  • 100 Messages
  • Deal: Free MSIG Personal Accident Insurance with SIMBA Mobile
$25
Min. cost $25
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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.

Most Popular Zero1 SIM-Only Plans

Zero1
Zero1

Starter Prime 4G

  • 200GB data
  • 300 Minutes
  • 100 Messages
  • Deal: 5G included for 3 months + Roam Malaysia 100GB for 365 days + Enjoy your 3rd month free
$7.06
Min. cost $7.06
Zero1
Zero1

Movemo Dash 5G

  • 500GB data
  • 300 Minutes
  • 100 Messages
  • Deal: 600GB roaming in Malaysia, Indonesia and Thailand for 365 days + 6 mths free port-in offer
$20
Min. cost $20
Zero1
Zero1

Jumbo GO Prime

  • 200GB data
  • 500 Minutes
  • 50 Messages
$12.70
Min. cost $12.70
Zero1
Zero1

Streamo Bold 4G

  • 300GB data
  • 300 Minutes
  • 100 Messages
  • Deal: 5G included for 3 months + 600GB roaming in Malaysia & Indonesia for 365 days + 6 mths free port-in offer
$10.10
Min. cost $10.10
Zero1
Zero1

Movemo Vibe 4G

  • 400GB data
  • 300 Minutes
  • 100 Messages
  • Deal: 5G included for 3 months + 600GB roaming in Malaysia & Indonesia for 365 days + 6 mths free port-in offer
$12
Min. cost $12
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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.

Most Popular Singtel SIM-Only Plans

Singtel
Singtel

5G YAY! Monthly Plan

  • 230GB data
  • 2500 Minutes
  • 500 Messages
$19.90
Per 30 Day Renewal
Singtel
Singtel

5G $15 Ultimate Monthly Plan

  • 10GB data
  • 500 Minutes
  • 100 Messages
$15
Per 30 Day Renewal
Singtel
Singtel

5G+ $35 Ultimate Monthly Plan

  • Unlimited data
  • Unlimited National Calls & SMS
$35
Per 30 Day Renewal
Singtel
Singtel

Lite SIM Only 5G+

  • 150GB data
  • Contract (12 mths)
  • 400 Minutes
  • 400 Messages
  • Deal: 150GB for $24.50/mth for 12 mths + get up to $800 one-time cashback when you add a phone with PayLater + free Samsung Galaxy A06 worth $228
$24.50
+ $32.70 Upfront
Min. cost $326.70
Singtel
Singtel

1GB 4-Week Data Plan

  • 1GB data
  • No Calls Included
$10
Per 28 Day Renewal
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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.

Most Popular Maxx SIM-Only Plans

Maxx
Maxx

290GB SIM Only

  • 290GB data
  • 500 Minutes
  • 99 Messages
  • Deal: Online Exclusive: $7.90/month for 12 mths, then $9.90. Port in & get 1 month free.
$7.90
Min. cost $7.90
Maxx
Maxx

500GB SIM Only

  • 500GB data
  • 500 Minutes
  • 50 Messages
  • Deal: Port in & get 1 month free.
$12
Min. cost $12
Maxx
Maxx

300GB SIM Only

  • 300GB data
  • 500 Minutes
  • 50 Messages
  • Deal: Port in & get 1 month free.
$10
Min. cost $10
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M1

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.

Most Popular M1 SIM-Only Plans

M1
M1
Editor's Pick

5G SIM Only 300GB

  • 1024GB data
  • 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
M1
M1

5G SIM Only 150GB

  • 150GB data
  • 1000 Minutes
  • 1000 Messages
  • Deal: $3 off first 3 months for new sign-ups and port-ins only
$14.95
Min. cost $11.95
M1
M1

100GB Tourist eSIM

  • 100GB data
  • 500 Minutes
  • 100 Messages
$12
Per 15 Day Renewal
M1
M1

5G SIM Only 350GB

  • 1024GB data
  • 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
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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.

Most Popular Vivifi SIM-Only Plans

VIVIFI
VIVIFI

Roam Value 4G

  • 200GB data
  • 300 Minutes
  • 100 Messages
  • Deal: Port In Bonus: Free 5G Trial for 3 months (non-Singtel port in)
$7.70
Min. cost $7.70
VIVIFI
VIVIFI

Vibe 4G

  • 300GB data
  • 588 Minutes
  • 100 Messages
  • Deal: Get 3 months free for new sign up + 6 months free for port-ins+ Free 5G Trial for 3 months (non-Singtel port in)
$10
Min. cost $10
VIVIFI
VIVIFI

Vibe 5G

  • 310GB data
  • 588 Minutes
  • 100 Messages
$17.50
Min. cost $17.50
VIVIFI
VIVIFI

Roam Asia Super 4G

  • 400GB data
  • 800 Minutes
  • 100 Messages
  • Deal: Get 6 months free for new sign up + 9 months free for port-ins+ Free 5G Trial for 3 months (non-Singtel port in)
$15
Min. cost $15
VIVIFI
VIVIFI

Plus 20-5G

  • 60GB data
  • 400 Minutes
  • 200 Messages
$19
Min. cost $19
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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.

Most Popular CMLink SIM-Only Plans

CMLink
CMLink

300GB 4G SIM Only

  • 300GB data
  • 300 Minutes
  • 100 Messages
  • Deal: 50% credit rebate for 6 months for new sing-ups
$5.05
Min. cost $5.05
CMLink
CMLink

200GB 4G SIM Only

  • 200GB data
  • 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
CMLink
CMLink

Unlimited 5G SIM Only

  • Unlimited data
  • 400 Minutes
  • 400 Messages
  • Deal: Free 600GB Malaysia roaming for 365 days. Limited time only.
$31.10
Min. cost $31.10
CMLink
CMLink

400GB 4G SIM Only

  • 400GB data
  • 600 Minutes
  • 100 Messages
  • Deal: 50% credit rebate for 6 months for new sing-ups
$7.50
Min. cost $7.50
CMLink
CMLink

30GB 4G SIM Only

  • 30GB data
  • 100 Minutes
  • 100 Messages
  • Deal: Free 600GB Malaysia roaming for 365 days. Limited time only.
$10.90
Min. cost $10.90
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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.

Most Popular StarHub SIM-Only Plans

StarHub
StarHub

Medium 5G SIM Only

  • 150GB data
  • 1000 Minutes
  • 500 Messages
  • Deal: Exclusive for new sign-ups: Free 12-month subscription to SmartSupport Lite
$22
Min. cost $22
StarHub
StarHub

$12 Traveler Data eSIM

  • 100GB data
  • No Calls Included
$12
Per 14 Day Renewal
StarHub
StarHub

$30 Traveler+ Data eSIM

  • Unlimited data
  • No Calls Included
$30
Per 28 Day Renewal
StarHub
StarHub

Large 5G SIM Only

  • 200GB data
  • 1500 Minutes
  • 750 Messages
  • Deal: Exclusive for new sign-ups: Free 12-month subscription to SmartSupport Lite
$32
Min. cost $32
StarHub
StarHub

$50 Traveler++ Data eSIM

  • Unlimited data
  • No Calls Included
$50
Per 28 Day Renewal
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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.

Most Popular MyRepublic SIM-Only Plans

MyRepublic
MyRepublic

4G Essential

  • 288GB data
  • 200 Minutes
  • 100 Messages
  • Deal: $7.90/mth for first 3 mths, thereafter $9.90/mth
$9.90/mth
Min. cost $7.90
MyRepublic
MyRepublic

4G Unlimited Data

  • Unlimited data
  • 2000 Minutes
  • 2000 Messages
$25.90/mth
Min. cost $25.90
MyRepublic
MyRepublic

4G Supreme

  • 400GB data
  • 300 Minutes
  • 100 Messages
  • Deal: 2GB Additional Roaming for 6 months
$10.90/mth
Min. cost $10.90
MyRepublic
MyRepublic

5G Ultra $19.95

  • 800GB data
  • 1400 Minutes
  • 1400 Messages
$19.95/mth
Min. cost $19.95
MyRepublic
MyRepublic

4G Classic

  • 500GB data
  • 400 Minutes
  • 400 Messages
$14.90/mth
Min. cost $14.90
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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.

Most Popular GOMO SIM-Only Plans

GOMO
GOMO

4G Saver SIM Only

  • 88GB data
  • 100 Minutes
  • 100 Messages
  • Deal: Use code 4GLITEMY
$10.18
+ $2 Upfront
Min. cost $12.18
GOMO
GOMO

5G+ Value SIM Only

  • 300GB data
  • 800 Minutes
  • 800 Messages
  • Deal: $12.33/mth for 2 mths, $18.33/mth thereafter + bonus 300GB monthly Malaysia roaming. Use code MOVALUE62
$18.33
+ $2 Upfront
Min. cost $14.33
GOMO
GOMO

4G Plus SIM Only

  • 300GB data
  • 500 Minutes
  • 500 Messages
  • Deal: Use code 4GBONUSUP
$15
+ $2 Upfront
Min. cost $17
GOMO
GOMO

5G+ Pro SIM Only

  • 400GB data
  • 800 Minutes
  • 800 Messages
  • Deal: $14.99/mth for 2 mths, $20.99/mth thereafter + bonus 500GB monthly Malaysia roaming. Use code 5GPRO62
$20.99
+ $2 Upfront
Min. cost $16.99
GOMO
GOMO

5G Jetsetter SIM Only

  • 1000GB data
  • 1000 Minutes
  • 1000 Messages
  • Deal: $21.15/mth for 2 mths, $27.15/mth thereafter + bonus 800GB monthly Malaysia roaming. Use code JETSET62
$27.15
+ $2 Upfront
Min. cost $23.15
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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.

Most Popular Giga SIM-Only Plans

Giga
Giga

100GB 4G SIM Only

  • 100GB data
  • 300 Minutes
  • 300 Messages
$10.19
+ $2.04 Upfront
Min. cost $12.23
Giga
Giga

400GB 5G SIM Only

  • 400GB data
  • 800 Minutes
  • 800 Messages
$18.33
+ $2.04 Upfront
Min. cost $20.37
Giga
Giga

200GB 4G SIM Only

  • 300GB data
  • 300 Minutes
  • 300 Messages
$12
+ $2.04 Upfront
Min. cost $14.04
Giga
Giga

1TB 5G SIM Only

  • 1000GB data
  • 1500 Minutes
  • 1500 Messages
$28
+ $2.04 Upfront
Min. cost $30.04
Giga
Giga

300GB 4G SIM Only

  • 300GB data
  • 300 Minutes
  • 300 Messages
  • Deal: Free 5G for 24 months
$15.28
+ $2.04 Upfront
Min. cost $17.32
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WhizComms offer 3 travel esim plans that all include unlimited data for 14 days. The more you pay, the more countries you can roam.

Most Popular WhizComms SIM-Only Plans

WhizComms
WhizComms

$20 Neighbour eSIM

  • Unlimited data
  • No Calls Included
  • Deal: Free 10GB Malaysia 90-day pass
$20
Per 14 Day Renewal
WhizComms
WhizComms

$35 Asia eSIM

  • Unlimited data
  • No Calls Included
  • Deal: Free 10GB Malaysia 90-day pass
$35
Per 14 Day Renewal
WhizComms
WhizComms

$45 Worldwide eSIM

  • Unlimited data
  • No Calls Included
  • Deal: Free 10GB Malaysia 90-day pass
$45
Per 14 Day Renewal
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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.

Most Popular redOne SIM-Only Plans

redONE
redONE

Best 10

  • 250GB data
  • 500 Minutes
  • 200 Messages
$10.90
Min. cost $10.90
redONE
redONE

Best 20

  • 500GB data
  • 1000 Minutes
  • 500 Messages
$20.90
Min. cost $20.90
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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

Changi Mobile
Changi Mobile

180GB FlexiLite SIM Only

  • 180GB data
  • 200 Minutes
  • 50 Messages
$10
+ $5 Upfront
Min. cost $15
Changi Mobile
Changi Mobile

280GB FlexiChoice SIM Only

  • 280GB data
  • 500 Minutes
  • 100 Messages
$12
+ $5 Upfront
Min. cost $17
Changi Mobile
Changi Mobile

380GB FlexiGo SIM Only

  • 380GB data
  • 500 Minutes
  • 100 Messages
$15
+ $5 Upfront
Min. cost $20
Changi Mobile
Changi Mobile

380GB FlexiPlus SIM Only

  • 380GB data
  • 800 Minutes
  • 150 Messages
$18
+ $5 Upfront
Min. cost $23
Changi Mobile
Changi Mobile

480GB FlexiMax SIM Only

  • 480GB data
  • 1000 Minutes
  • 200 Messages
$25
+ $5 Upfront
Min. cost $30
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Compare phones and plans from the following carriers...

  • Eight
  • SIMBA
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  • Singtel
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  • ZYM Mobile
  • Zero1
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  • CMLink
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  • M1
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  • Maxx
  • VIVIFI
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  • Circles.Life
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  • StarHub
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  • MyRepublic
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  • GOMO
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  • Giga
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  • redONE
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  • Changi Mobile
  • WhizComms