facebookBest SIM Only Mobile Plans in Singapore (April 2021): Most Value For Money SIM Only Deals For Your Needs
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Best SIM Only Mobile Plans in Singapore (April 2021): Most Value For Money SIM Only Deals For Your Needs

profileMing Feng
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Tired of Lock-In Contracts? Want to Save Money? Find Out Which Is the Best SIM Only Plan in the Market!

Are you still on a 12 or 24-month contract mobile plan with Singtel, Starhub, or M1?

P.S. Generally your ‘discounted’ smartphone in monthly instalments spread over your 24-month contract right?

Want to save money, get more data and have the freedom to switch telcos whenever you want?

Then you might want to consider getting a SIM Only plan instead.

I mean, have you looked at what the various mobile virtual network operators (MVNOs) popping up on the scene like redONE, VIVIFI, and Grid Mobile have to offer?

But how do you choose the best individual SIM only mobile plan in the market for your budget?

We got you fam!


TL;DR: Best SIM Only Mobile Plan Singapore (April 2021)

  • Cheapest Sim-Only Plans (<$15/Month):

    • TPG (50GB) SIM Only Plan — $10/Month | 50 GB data (+50GB limited promo) | $0.20/GB ($0.10/GB promo price)
    • giga! (6GB) SIM Only Plan — $10/Month | 6GB | $1.66/GB
  • Mid-Range SIM-Only Plans ($15 – $30/Month):

    • TPG (80GB) SIM Only Plan — $18/Month | 80 GB data (+50GB limited promo) | $0.22/GB ($0.14/GB promo price)
    • MyRepublic Mobile Pro Plan — $24/month | 70GB + unlimited data at throttled speeds | $0.34/GB
  • Premium SIM-Only Plans (≥$30 – $50/Month):

    • Circles.Life 100GB SIM Only Plan  — $38/month | 100GB data | $0.38/GB
    • MyRepublic Unlimited Data Plan — $39/month | Unlimited 4G data (4GB daily cap | -/GB

Note: Information correct as of 23 Apr 2021. Do note that these plans come without a contract and have free Caller ID unless stated.

Find the Best SIM Only Mobile Plan With Seedly!

Lazy to compare?

Why not just use our FREE SIM Only Price Comparison Tool?

Compare & Switch Now!

It’ll take you less than 10 seconds to find out which SIM Only plan is the best for you.


What Is A SIM Only Plan?

SIM Only plans are postpaid plans which package data, talk time and SMSes at a fixed monthly cost.

This way, you can focus on what is most important to you — which is probably data.

They function pretty much like traditional mobile phone contracts BUT you’re not locked into any minimum contract period.

This means that you are free to switch telcos or mobile plans anytime you like without incurring any penalties.

Why Are SIM Only Plans so Much Cheaper?

You’re probably wondering how are the telcos, who are offering SIM Only plans, keeping their prices so low.

Here’s why.

Singapore Telcos and the Network Which They Are On

There are 4 Mobile Network Operators (MNOs) in Singapore:

  1. M1
  2. Singtel
  3. StarHub
  4. TPG (newest kid on the block)

And these are the 9 Mobile Virtual Network Operators (MVNO) aka virtual telcos in the market right now:

  1. Circles.Life
  2. CMLink
  3. giga!
  4. GOMO
  5. Grid Mobile
  6. MyRepublic
  7. redONE
  8. VIVIFI
  9. Zero1

The reason why these virtual telcos can keep their SIM Only plan prices so low is because they are not:

  • Paying to maintain their own network and infrastructure (they’re renting from the MNOs and selling it to you)
  • Do not have physical stores (read: save on rent)
  • Spend less on marketing (when was the last time you saw a Singtel ad vs. a Zero1 advertisement?)

Needless to say, once the major MNOs wised up.

They started offering their own versions of SIM Only mobile plans back in 2019.

Which Is The Best SIM Only Plan in Singapore?

The best SIM Only plan really depends on how much data you’ll need.

To figure that out, just have a look at your latest telco bills or check how much data you’ve been using through your smartphone.

And you’ll be able to figure out how much data you use on average each month.

You’ll also want to keep in mind how much talk time and SMS-es (if you’re old school like that) you use monthly too.

After that, you’ll want to pick the cheapest SIM Only Plan which matches your needs.

BUT as with most things which are cheap, the quality of service and reception are some of the things which suffer.

So if you’re picking an MVNO’s SIM Only plan, you might want to stick with one that’s tapping on a reliable MNO network.

Here’s a look at who’s on which MNO’s network:

Mobile Network OperatorMobile Virtual Network Operator
(Which MNO do they rent bandwidth and network services from?)
SingtelCMLink
GOMO
Grid Mobile
(joint venture between Singtel and ST Telemedia)
VIVIFI
Zero1
Starhubgiga!
MyRepublic
redONE
M1Circles.Life & MyRepublic
TPG-

Another failproof way is to simply ask people who are currently using the SIM Only plan which you’re thinking of getting.

Wondering who you can ask?

Simple.

Just check out the real-user reviews left by the friendly SeedlyCommunity to get a better idea of which is the best SIM Only plan in the market!

So… Which Is the Cheapest SIM Only Plan?

If you’re talking about the absolute cheapest.

Circles.Life had a $0 Flexi Plan with 1GB data but that has since been discontinued since 2019.

And TPG offered a $0 XL Unlimited Data Plan for 1 year before their official commercial launch in 2020.

Ah… Great times.

But if we’re looking at the current SIM Only plan landscape, these options are off the table.

But fret not. You still have lots of affordable options which we will be categorising based on the amount of data they offer.

Cheapest Sim-Only Plans (<$15/Month)

If you want to save some money and don’t use much data, these plans are for you.

SIM Only Mobile PlanPrice (Monthly)DataData Cost Per 1GB of Unthrottled DataTalk Time (Minutes) | SMSRemarks
Circles.Life $5 Plan$52GB$2.5050 | 25$18 registration fee
redONE Amazing8$83GB$2.60300 | 10$10 SIM Card fee
VIVIFI Lite$8.803GB$2.93500 | 20Free SIM card self collection or $12 SIM Card delivery fee
Zero1 SIM Only 6u$9.90 (U.P $13.90)*6GB to Unlimited data at slower speeds$1.65500 | 20Promo price until 30 April 2021

For 6 months (first 3 months are free)

$10.70 registration fee applies
TPG (50GB)$1050GB + 50GB*$0.20
($0.10 promo price)
300 | 30$10 SIM card delivery fee

Additional 50GB available from now till 11 July 2021
MyRepublic Mobile Lite$106GB to Boundless data at slower speeds$1.66300 | 300$5.35 SIM delivery fee
giga! (6GB)$106GB$1.66500 | 500Free rollover data at 4G speeds
CMLink (5GB)$105GB$2.00100 | 100Plus 100 minutes of international calls to 6 countries
VIVIFI Plus (6GB)$9.98 (U.P $12.98)*6GB$1.66350 | 100Rate is discounted for the first 12 months

$12 SIM Card delivery fee
VIVIFI Plus (10GB)~$14.98 (U.P $17.98)*10GB$1.50350 | 100

The most value for money plan is undoubtedly TPG’s (50GB) SIM only plan as each GB of data only costs $0.20.

The company is even running a promotion from now till 11 July 2021 where you get an additional 50GB of data for free. This brings the cost per GB goes down to $0.10!

But, do note that TPG’s network is not the best when you are in the MRT tunnels, highway tunnels or anywhere underground. You can find out more from the latest Infocomm Media Development Authority (IMDA) report.

The next best alternative would be VIVIFI Plus’ 10GB SIM Only plan where the data cost per GB is the second-lowest. However, the plan is also the most expensive in this category which you may want to avoid if you do not use that much data.

If you want to keep your bill to $10 a month and below, giga!’s 6GB SIM Only plan would be our pick as each GB of data costs just $1.66 which is one of the lowest in this category.

Not to mention that you get 500 minutes and 500 SMS as well as free rollover data at 4G speeds which means that the data you do not use for this month accumulates to the next month.

Mid-Range Sim-Only Plans ($15 – $30/Month)

If you don’t mind paying a bit more each month for more data, these plans are for you.

SIM Only Mobile PlanDataPrice (Monthly)Data Cost Per 1GB of Unthrottled DataTalk Time (Minutes) | SMSRemarks
MyRepublic Mobile Core50GB to unlimited data at slower speeds$17.00$0.34500 | 500$5.35 SIM delivery fee
Grid Mobile20GB$17.90$0.89120 | 50-
TPG (80GB)80GB + 50GB*$18$0.22
($0.14 promo price)
500 | 50$10 SIM card delivery fee

Additional 50GB available from now till 11 July 2021
Circles.Life Base Plan20GB$18$0.90100 | 25-
redONE Amazing1810GB$18$1.80500 | 20Data can be used in malaysia
giga! 40GB$20$0.45300 | 300Free rollover data at 4G speeds
GOMO40GB$20$0.45400 | 40Get 50GB, 500 MINS & 500 SMS at $20 for your 1st month & $20 worth of add-on credits for new-signups and port-ins
CMLink20GB$20$1.00300 | 300Option to use minutes to make overseas calls to 6 countries
Starhub 30GB + 10GB*$20$0.501000 | 1000*$5 mobile plan discount for 12 months

Limited Offer: Additional 10GB + 1000 SMS + Free unlimited talktime for 12 months
MyRepublic Mobile Pro70GB to unlimited data at slower speeds$24.00$0.341000 | 1000$5.35 SIM delivery fee
Grid Mobile40GB + 10GB*$24.90$0.49200 | 200[FREE DATA] Additional 10GB for first 12 months for new sign-ups. Valid till 31 December 2021

[WAIVER] Free registration worth $37.45. Valid till 31 December 2021
Zero1 30u30GB to Unlimited Data*$24.90$0.83450 | 450[FREE SIM]
- SIM Card and Delivery Charges waived for a limited time only.

[WAIVER]
- Registration fee of $10.70 waived.
M140GB$19.95$0.501,000 | 1000Free caller ID for first 3 months

Free calls to 3 M1 numbers

Free unlimited weekend data, 1,000 mins & 1,000 SMS for 12 months
Singtel 20GB20GB$25$1.25150 | 500NO free Caller ID
redONE Amazing2820GB$28$1.40700 | 30Data can be used in malaysia
$10 SIM card fee


Again, TPG’s 80GB SIM-only plan is the winner here as each GB of data only costs $0.14.

But, do note that TPG’s network is not the best when you are in the MRT tunnels, highway tunnels or anywhere underground.

The next best alternative would be the MyRepublic Mobile Pro Plan that goes as each GB of data costs just $0.34. 

However, if you want to keep your bill to $20 a month and below, giga’s or GOMO base SIM only plans looks good as as each GB of data costs just $0.45 which is one of the lowest in this category.

Premium SIM-Only Plans (≥$30 – $50/Month)

Last but not least, we have the most expensive plans for the most heavy of data users.

We have excluded the plans over $50 as they are not as value for money.

SIM Only Mobile PlanDataPrice (Monthly)Data Cost Per 1GB of Unthrottled DataTalk Time (Minutes) | SMSRemarks
GOMO (60GB)60GB$30$0.50500 | 500Get 60GB, 500 MINS & 500 SMS at just $25 (U.P. $30) for your first month!
StarHub (No-Contract)50GB + 10GB*$30 (U.P. $50)*$0.501,000 | 1,000*$20 mobile plan discount for 12 months

Limited Offer: Additional 10GB + 1000 SMS + Free unlimited talktime for 12 months
M160GB$31$0.511,000 | 1,000*Free caller ID for first 3 months

Free calls to 3 M1 numbers

Free unlimited weekend data, 1,000 mins & 1,000 SMS for 12 months

$5 off on Bespoke SIM only $24.95 plan will be reflected at check-out
Circles.Life (100GB)100GB*$38*$0.38100 | 25100GB at 4G speeds with rollover data

Price valid for the 1st year, valid for new users who keep their number)
MyRepublicUnlimited data (4GB/day at 4G, slower speeds thereafter)$39*N.A.300 | 300Offer valid for a limited time only
CMLink100GB$40$0.40400 | 40Option to use minutes to make overseas calls to 6 countries
giga!100GB*$45$0.4510,000 | 10,000Data can be rolled over to the next month


For this category, Circles.Life’s 100GB SIM-Only plan is the winner as each GB of data costs just $0.38. Also, the plan allows you to roll over 4G data with a total cap of 300GB a month.

Hoever, if you find that 100GB is still not enough for you each month, you can opt for MyRepublic Mobile’s Unlimited Data plan which costs $39 per month for unlimited 4G data capped at 4GB a day with managed speeds thereafter.

Is a SIM Only Plan Better Than a Fixed Contract Mobile Plan?

Well… it depends.

With SIM Only plans, most come with no contract so you have absolute freedom to switch to whichever is cheapest.

Or (touch wood) if you, unfortunately, find that your current telco’s reception sucks.

Another thing to note is that most SIM Only plans will come with no handset as well.

This way you are avoiding any Early Termination Charges and being overcharged on your monthly subscription.

However, there are some telcos that do a SIM Only plan AND allow you to purchase a phone which you can pay for in monthly instalments.

Even if you decide to cancel your SIM Only plan.

If you’re interested, check out Circles.Life to see if this makes sense for you.

Re-Contracting Is Just Paying for Your Phone in 24-Month Instalments

So you have a traditional two-year mobile plan that is nearing the end of your contract.

You’re probably thinking:

  • It’s the best (and probably the only deal) you know
  • It’s the first mobile plan you started with so it’s convenient to just renew it
  • Re-contracting gives you an attractive discount off the latest smartphone

STOP.

The harsh truth is that the upfront ‘discount’ which telcos offer on a new mobile phone…

Is collected back by tagging a small monthly premium on your monthly phone bill.

This essentially means that you’re paying for your shiny new smartphone in 24-month instalments.

Introducing… the “SIM Only Plan And Phone From Carousell” Strategy

With data as the main priority for most of us getting a mobile plan, we have a simple strategy.

  • Step 1: Use the SIM Only Price Comparison Tool to find a SIM Only plan which gives you at least the same amount of data (most likely more) you’re using on your two-year contract
  • Step 2: Shop on an online marketplace like Carousell or Lazada to buy your preferred mobile phone (brand new in box)
  • Step 3: Enjoy more data and savings!

To better illustrate this strategy, we looked at the cost of getting a Samsung Galaxy S21 (256GB) on a two-year contract with the telcos.

And compared it with a Grid Mobile SIM Only mobile plan with the same phone purchased directly from Samsung.

Here’s what we found:

The total amount of savings if you went with a SIM Only card and purchased your phone separately?

You will be saving anywhere from $102 to $381 if you get your phone without a contract over two years.

Source: SpongeBob SquarePants | Giphy

Plus you’re getting more bang for your buck in terms of data too!

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About Ming Feng
A stint in Bloomberg gifted me with a beer belly, which only grew larger when I moved on to become a Professional Trader. Now I turn caffeine into digestible finance-related content.
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