Editor's Pick: Best SIM-Only Phone Plans January 2025

By WhistleOut Team

Last updated 07 January 2025

Best SIM-Only Plans Singapore January 2025

Best SIM-Only Plan – Cheapest Eight 228GB SIM Only $8
Best SIM-Only Plan – Everyday Use SIMBA 200GB SIM Only $12
Best SIM-Only Plan – Heavy Use MyRepublic Unlimited 5G Ultimate $24.95
Best SIM Plan with International Calls Singtel $35 Ultimate Data Plan

Gone are the days when the mobile market was dominated by the three major telcos (Singtel, StarHub, and M1). Over the years, the market has seen a number of mobile virtual network operators (MVNOs) who’ve managed to offer similar inclusions at a very comparable price range.

SIM-only plans are a great choice for the person who’s happy with their current handset or equally willing to buy their next smartphone outright. Compared to big providers, there tend to be more SIM-only plans on offer from MVNOs. And that greater range of plans leads to a great mix of competitive pricing and tight competition on the all-important data front.

Moreover, there are providers that offer capped speeds if you go over your monthly data allocation so no bill shock. Scroll on to check our top picks of the best SIM-only plans this month.

Best SIM-Only Plan Singapore – Cheapest

Editor's Pick

228GB SIM Only

228GB data
588 Minutes
88 Messages
Deal: 8 lucky weekly winners win 1-year Mobile Plan

Min. cost $8

What we love: Eight is our top pick for budget SIM plans this month! For just $8, you get 288GB of local data, 10GB APAC Roaming, 2GB Intrenational Roaming, 588 Mins Local Talktime and 288 Mins IDD Talktime, making it a deal you can't miss.

Also consider the following:

Zero1	Zero1 Starter SIM Only 4G 100GB data 300 Minutes 100 Messages Deal: 5G included for 3 months + 2GB roaming $7.06 + $15.36 Upfront Min. cost $22.42 Go	$7.06 + $15.36 Upfront Min. cost $22.42	Go
ZYM Mobile	ZYM Mobile 100GB Roam Saver SIM Only 100GB data 300 Minutes 100 Messages Deal: $90 eVoucher for Samsung Tab + $50 eVoucher for Samsung Accessories + 1x chance to win 2 return tickets to Taiwan with Singapore Airlines + $70 eVoucher for AirPod Pro Gen 2 $7.77 Min. cost $7.77 Go	$7.77 Min. cost $7.77	Go
Eight Editor's Pick	Eight Editor's Pick 228GB SIM Only 228GB data 588 Minutes 88 Messages Deal: 8 lucky weekly winners win 1-year Mobile Plan $8 Min. cost $8 Go	$8 Min. cost $8	Go
MyRepublic	MyRepublic Saver Plan 88GB data 200 Minutes 100 Messages $8.71/mth Min. cost $8.71 Go	$8.71/mth Min. cost $8.71	Go
VIVIFI	VIVIFI Lite SIM Only 4G 3GB data 300 Minutes 20 Messages $9 + $12 Upfront Min. cost $21 Go	$9 + $12 Upfront Min. cost $21	Go
Maxx	Maxx 290GB SIM Only 290GB data 500 Minutes 99 Messages Deal: $7.90 for Port In for the first 10,000 customers $9.90 Min. cost $9.90 Go	$9.90 Min. cost $9.90	Go
SIMBA	SIMBA SuperRoam 10 SIM Only 200GB data Unlimited National Calls 30 Messages $10 Min. cost $10 Go	$10 Min. cost $10	Go
Changi Mobile	Changi Mobile 180GB FlexiLite SIM Only 180GB data 200 Minutes 50 Messages $10 Min. cost $10 Go	$10 Min. cost $10	Go
GOMO	GOMO 4G Saver SIM Only 20GB data 100 Minutes 100 Messages Deal: $7.18/mth for 3 mths, $10.18/mth thereafter + Free Asia Pack roaming data. Use code 4GSAVERLITE $10.18 Min. cost $10.18 Go	$10.18 Min. cost $10.18	Go
Giga	Giga 20GB SIM Only 20GB data 300 Minutes 300 Messages $10.19 Min. cost $10.19 Go	$10.19 Min. cost $10.19	Go

Also good: MyRepublic offers 188GB data for the first 6 months. With Zero1 and ZYM Mobile, you will get 100GB and 300 minutes of local calling.

Best SIM-Only Plan Singapore – Everyday Use

Editor's Pick

SuperRoam 12 SIM Only

250GB data
Unlimited National Calls
100 Messages

$12

Min. cost $12

$12

Min. cost $12

What we love: SIMBA takes the crown this month with an unbeatable deal. Get 200GB of data, free 7GB data roaming to 60+ countries, 400 IDD minutes, and free caller ID – all at an incredible price!

Also consider the following:

SIMBA	SIMBA SuperRoam 10 SIM Only 200GB data Unlimited National Calls 30 Messages $10 Min. cost $10 Go	$10 Min. cost $10	Go
ZYM Mobile	ZYM Mobile 200GB Roam Plus SIM Only 200GB data 1000 Minutes 100 Messages Deal: $90 eVoucher for Samsung Tab + $50 eVoucher for Samsung Accessories + 1x chance to win 2 return tickets to Taiwan with Singapore Airlines + $70 eVoucher for AirPod Pro Gen 2 $10.10 Min. cost $10.10 Go	$10.10 Min. cost $10.10	Go
MyRepublic	MyRepublic 5G Plus 350GB data 1000 Minutes 1000 Messages $16.95/mth Min. cost $16.95 Go	$16.95/mth Min. cost $16.95	Go
M1	M1 5G SIM Only 300GB 300GB data 1100 Minutes 1100 Messages Deal: 300GB forever at $17.95 + Free New Moon South Africa Abalone (worth $48.80) for new & port-in sign-ups $17.95 Min. cost $17.95 Go	$17.95 Min. cost $17.95	Go
Maxx	Maxx 400GB SIM Only 400GB data Unlimited National Calls 50 Messages $18 Min. cost $18 Go	$18 Min. cost $18	Go
Giga	Giga 400GB SIM Only 400GB data 1000 Minutes 1000 Messages $20.37 Min. cost $20.37 Go	$20.37 Min. cost $20.37	Go
redONE	redONE Best 20 400GB data 1000 Minutes 400 Messages $20.90 Min. cost $20.90 Go	$20.90 Min. cost $20.90	Go
GOMO	GOMO 5G Plus SIM Only 600GB data 1000 Minutes 1000 Messages Deal: 8GB roaming data for selected countries. Use code 5GPLUSUP $23.09 Min. cost $23.09 Go	$23.09 Min. cost $23.09	Go
Changi Mobile	Changi Mobile 480GB FlexiMax SIM Only 480GB data 1000 Minutes 200 Messages $25 Min. cost $25 Go	$25 Min. cost $25	Go
StarHub	StarHub Large 5G SIM Only 200GB data 1500 Minutes 750 Messages $32 Min. cost $32 Go	$32 Min. cost $32	Go

Also good: MyRepublic and ZYM Mobile also offer great value SIM plans.

Best SIM-Only Plan Singapore – Heavy Use

Editor's Pick

5G Ultimate

450GB data
1200 Minutes
1200 Messages

$17.95/mth

Min. cost $17.95

$17.95/mth

Min. cost $17.95

What we love: MyRepublic takes the win this month with their 5G Ultimate SIM Only plan! With the current promo, enjoy a discounted price of just $24.95/mth for 6 months (U.P $29.95) and receive free 5GB Data Roaming/mth for 6 months. Don’t miss out on this fantastic offer.

Also consider the following:

SIMBA	SIMBA SuperRoam 20 SIM Only 600GB data Unlimited National Calls 100 Messages $20 Min. cost $20 Go	$20 Min. cost $20	Go
GOMO	GOMO 5G Plus SIM Only 600GB data 1000 Minutes 1000 Messages Deal: 8GB roaming data for selected countries. Use code 5GPLUSUP $23.09 Min. cost $23.09 Go	$23.09 Min. cost $23.09	Go
MyRepublic	MyRepublic Unlimited Data Plan Unlimited data 2000 Minutes 2000 Messages $25.90/mth Min. cost $25.90 Go	$25.90/mth Min. cost $25.90	Go
Giga	Giga 1TB SIM Only 1000GB data 1500 Minutes 1500 Messages $28 Min. cost $28 Go	$28 Min. cost $28	Go
redONE	redONE Best 30 600GB data 1500 Minutes 600 Messages $30.90 Min. cost $30.90 Go	$30.90 Min. cost $30.90	Go
Singtel Editor's Pick	Singtel Editor's Pick 5G $35 Ultimate Monthly Plan Unlimited data Unlimited National Calls 500 Messages $35 Per 30 Day Renewal Go	$35 Per 30 Day Renewal	Go
Circles.Life	Circles.Life 1TB SIM Only 5G 1000GB data Unlimited National Calls 25 Messages Deal: $30 for the first 3 months, price reverts to $40/mth forever after $40 Min. cost $30 Go	$40 Min. cost $30	Go
M1	M1 2 Year Bespoke Base Plan + $180.66 Plan Add-on Unlimited data Contract (24 mths) Unlimited National Calls 2500 Messages $241.17/mth Min. cost $5,788.08 Go	$241.17/mth Min. cost $5,788.08	Go

Also good: Giga, Gomo and M1 also offer SIM plans with huge data.

Best SIM Plan with International Calls in Singapore

Editor's Pick

5G $35 Ultimate Monthly Plan

Unlimited data
Unlimited National Calls
500 Messages

$35

Per 30 Day Renewal

$35

Per 30 Day Renewal

What we love: SingTel's $35 Ultimate Data Plan is our pick this month for Best Prepaid Plan. You will get unlimited data, 1000 minutes, 500 messages and on top of that also includes 1000 IDD mins for Local Calls, Bangladesh, India, Malaysia, China. You will also get 20GB data for Malaysia roaming.

Also consider the following:

Singtel Editor's Pick	Singtel Editor's Pick 5G $35 Ultimate Monthly Plan Unlimited data Unlimited National Calls 500 Messages $35 Per 30 Day Renewal Go	$35 Per 30 Day Renewal	Go
Zero1	Zero1 Jumbo IDD 100GB data 800 Minutes 100 Messages Deal: $11.77 SIM Card and Delivery Charges waived for a limited time only. $20.40 + $14.29 Upfront Min. cost $34.69 Go	$20.40 + $14.29 Upfront Min. cost $34.69	Go
CMLink	CMLink 300GB SIM Only 300GB data 400 Minutes 400 Messages Deal: Free 5G access $31.10 Min. cost $31.10 Go	$31.10 Min. cost $31.10	Go

Also good: There are not many providers in Singapore offering International inclusions with SIM or Mobile Phone plans. TPG offers additional minutes for international calling to selected countries while CMLink allows you to use included minutes for local as well as calls to China, Hong Kong, Malaysia, Indonesia, Thailand & the USA.

How we chose the best SIM plans each month

At WhistleOut, we take the job of recommending our monthly winners and runners-up very seriously. That’s why we have a dedicated team that reads over more than 300 plan documents each week to spot hundreds of plan changes in our database every month.

When it comes to the SIM-only plans in our comparison engine, we take a wide array of factors into consideration. For starters, there are the basics. All of our monthly plan winners and runners-up come with most minutes and text in Singapore, plus we tend to lean towards SIM-only plans with no contracts. We like no-contract plans because it’s easier to switch when a better option comes along.

After the basics, our first key consideration is price, but not just promotional pricing. To help offer a fuller picture of actual costs, we evaluate price in terms of first-year value, which helps separate actual great pricing from a limited-time promotion that may not offer better value in the long run. For promotional pricing to be considered, it has to last at least six months.

The other big consideration with any phone plan is how much data it comes with, and SIM-only plans are no exception. We use included monthly base and bonus data alongside pricing (promotional or regular) to help determine the overall dollars-to-data value which, like the promotional-pricing disclaimer above, can help level out a great data offer from one that only has short-term worth.