Looking for the best Prepaid SIM card in Singapore? This guide breaks down all 3 StarHub Prepaid Plans so you can pick the right one without overthinking it.
| From $12 per month, no contract | 3 Plans for everyday to heavy travel | SEA Roaming Built-in data |
In This Guide
Not every prepaid SIM card plan in Singapore is built the same way. Before comparing plans side by side, it helps to know which factors affect your day-to-day experience, so you're not choosing on price alone and finding gaps later.
Check the breakdown of Local vs. Roaming data
In Singapore, "Total Data" often combines local data with specific quotas for SEA (Malaysia, Indonesia, Thailand) or APAC regions. Ensure the plan provides enough dedicated local data for your daily Singapore usage so you don't inadvertently exhaust your primary connection while still at home.
Match IDD minutes to your specific calling destinations
International calling (IDD) bundles vary by provider. If you frequently call family in India, China, or the Philippines, verify that those specific countries are included in the bundled minutes. A plan with IDD minutes is only valuable if it covers the specific regions you actually call.
Look for multi-destination Roaming support
For Singaporeans who travel frequently within APAC, destination count is more important than data volume. Ensure your plan includes high-travel destinations that offer better value and convenience than a larger data bucket limited to Malaysia alone.
Prioritize 5G for data-heavy daily tasks
With Singapore’s comprehensive 5G rollout, upgrading to a 5G prepaid plan is highly recommended if your device supports it. 5G provides significantly lower latency for Zoom calls, high-definition streaming, and large file downloads on the go, often for a marginal monthly price difference.
Avoid "Bill Shock" with hard usage stops
The best prepaid plans offer transparency by stopping data and services once your quota is reached. This prevents the plan from consuming your main wallet balance at pay-per-use rates. Always choose a provider that sends clear usage alerts so you can top up only when you choose.
Plan Validity
Prepaid users care deeply about whether their data lasts 7 days, 30 days, or 90 days. Choosing a plan with the right validity ensures your data remains active for your entire usage cycle without expiring prematurely.
Ease of Top-up
Check whether you can top up easily via an app or if you need to find a physical 7-Eleven/AXS machine. Seamless digital top-ups offer the most flexibility for staying connected on the go.
StarHub offers 3 monthly plans designed to fit your lifestyle. Whether you need an affordable local essential or a high-performance plan for frequent travel across Asia, here is how they stack up side-by-side.
4G Prepaid
Total data per month
✓ 300GB Local + 200GB SEA Data
✓ 15GB APAC Data (9 destinations)
✓ Unlimited local calls & SMS
✓ Up to 500 IDD mins (6 destinations)
per month
5G Prepaid Core
Total data per month
✓ 300GB Local + 200GB SEA Data
✓ 30GB APAC Data (20 destinations)
✓ Unlimited local calls & SMS
✓ Up to 600 IDD mins (6 destinations)
per month
5G Prepaid Plus
Total data per month
✓ 400GB Local + 300GB SEA Data
✓ 90GB APAC Data (20 destinations)
✓ Unlimited local calls & SMS
✓ Up to 600 IDD mins (6 destinations)
per month
| Plan feature | 4G Prepaid | 5G Core | 5G Plus |
|---|---|---|---|
| Price | $12/month | $15/month | $30/month |
| Network | 4G | 5G | 5G |
| Local data | 300GB | 300GB | 400GB |
| SEA roaming data | 300GB (5 destinations) | 300GB (5 destinations) | 400GB (5 destinations) |
| APAC roaming data | 15GB (9 destinations) | 30GB (20 destinations) | 90GB (20 destinations) |
| Local calls & SMS | Unlimited | Unlimited | Unlimited |
| IDD minutes | Up to 500 mins | Up to 600 mins | Up to 600 mins |
| Fair usage policy | — | — | Applies |
What This Means for You
While the 4G Prepaid plan offers exceptional value for local use, a modest $3 upgrade to 5G Core unlocks enhanced network speeds and significantly expands your reach across Asia. With double the APAC roaming data and access to 20 destinations including Japan and Australia, 5G Core is the recommended choice for travelers and power users alike.
Every user has different needs. Whether you're looking for the best value or maximum data, here is how our plans match your daily life.
You want reliable coverage at the lowest monthly cost
The 4G Prepaid Plan at $12/month gives you 300GB of local data, 300GB of SEA roaming data, unlimited local calls and SMS, and up to 500 IDD minutes to Bangladesh, China, India, Indonesia, Malaysia, and the Philippines. If 5G speed is not a priority and you mostly use your phone for calls, messaging, and everyday browsing, this gives you everything you need for a connected daily life at our most accessible price point.
You want 5G speed and wider roaming coverage across Asia BEST VALUE
The 5G Prepaid Core at $15/month balances high-speed performance with travel flexibility. For just a few dollars more, you unlock 5G speeds for smoother video calls and faster downloads on the move. It’s also built for those who occasionally travel within Asia, expanding your roaming access to 20 destinations like Japan and Australia so you can stay connected the moment you land.
You use a lot of data or travel frequently across Asia
The 5G Prepaid Plus at $30/month is designed for total peace of mind. It offers our highest data allowance for both local use and roaming across 20 APAC destinations. Whether you're a heavy streamer, frequently use your phone as a hotspot for work, or spend a significant amount of time traveling for business, this plan ensures you always have plenty of data headroom for your most demanding tasks.
Regardless of which tier you pick, you get the same core benefits from day one.
No hidden fees, no per-minute math, just seamless connectivity.
📞 Unlimited Local Calls & SMS
Call and text anyone in Singapore freely without ever watching your balance.
✈️ SEA Roaming Built-in
Stay connected across Malaysia, Indonesia, Thailand, Philippines, and Vietnam without needing a separate roaming pack.
🌍 IDD Minutes Included
Call home with ease. Your plan includes minutes to Bangladesh, China, India, Indonesia, Malaysia, and the Philippines.
🆔 Free Caller ID
Caller Number Display is included free across all plans, so you always know who is calling.
Why this matters
In the past, prepaid meant having to buy separate packs for everything. With these plans, your roaming and IDD are ready the second you activate. It’s one less thing to think about and if you ever need a little extra for a big trip, you can just top up through the StarHub App instantly.
Getting started is simple and takes just a few minutes. You can choose to sign up entirely online or visit us in person.
📋 What you'll need
Sign up via the StarHub App
The fastest way to get started. Download the app, choose your plan, and complete your registration digitally from anywhere.
Get the StarHub App →Visit an Authorised Reseller
Prefer to do it in person? Simply bring your original ID to any of our authorised partners across the island.
Find a location →💡 Pro Tip: Enable Auto-Renewal via the StarHub App to enjoy "set and forget" convenience. It ensures your data never cuts off unexpectedly.
💡 Switching Plans: You can change your plan tier anytime via the app. Just make the request at least 1 hour before your current cycle ends.
The best prepaid plan in Singapore for most users is the StarHub 5G Prepaid Core at $15/month. It includes 300GB of local data, 5G speeds, unlimited local calls and SMS, 300GB of SEA roaming data, 30GB of APAC data across 20 destinations, and up to 600 IDD minutes to Bangladesh, China, India, Indonesia, Malaysia, and the Philippines. All with no contract.
Yes. Request a port-in when signing up at any StarHub Authorised Reseller. Your number must be active and registered under the same name and ID you use for your StarHub sign-up. Settle any outstanding charges with your current operator before the port-in request. Your old contract ends automatically once the port-in is complete.
You need one of the following originals: NRIC, ONE Pass, Employment Pass, S Pass, Work Permit, Student Pass, Dependent Pass, or Long Term Visit Pass. Singpass registration is also accepted. You must be 15 or older to sign up. Photocopies are not accepted.
You can top up by cash at any StarHub Authorised Reseller or 7-Eleven, by credit or debit card via the StarHub App, or at any AXS Station. Minimum top-up by card is $10 per transaction, with a maximum of $200 per day.
You enter a 120-day grace period. During this time, you can still receive incoming calls and SMS, but outgoing calls and data stop. If you top up and renew within 120 days, your full service resumes. If you don't, your line is terminated and any remaining credits are forfeited.
Yes. All 3 StarHub Prepaid Plans include SEA roaming data for Malaysia, Indonesia, Thailand, Philippines, and Vietnam. The 4G plan adds 15GB of APAC roaming data across 9 destinations. Both 5G plans include APAC roaming data across 20 destinations, including Japan, Australia, India, South Korea, and New Zealand. Additional roaming add-ons are available via the StarHub App if you need more data or cover more destinations.
Yes. IDD minutes are built into every plan. The 4G Prepaid Plan includes up to 500 IDD minutes per month; both 5G plans include up to 600 IDD minutes. All 3 plans cover the same 6 destinations: Bangladesh, China, India, Indonesia, Malaysia, and the Philippines. For calls to other countries, IDD add-on packs are available via the StarHub App.
Under IMDA regulations, each person in Singapore can hold a maximum of 10 active mobile lines across all operators. Your StarHub Prepaid Plan counts toward this total.
Choose from 3 StarHub Monthly Prepaid Plans from $12/month. No contract, no hidden fees. Data, calls, SMS, and roaming all in one.
4G Prepaid: $12/month
300GB local data, 300GB SEA roaming, 15GB APAC roaming (9 destinations), unlimited local calls and SMS, up to 500 IDD mins.
5G Prepaid Core: $15/month
300GB local data, 300GB SEA roaming, 30GB APAC roaming (20 destinations), 5G speeds, unlimited local calls and SMS, up to 600 IDD mins.
5G Prepaid Plus: $30/month
400GB local data, 400GB SEA roaming, 90GB APAC roaming (20 destinations), 5G speeds, unlimited local calls and SMS, up to 600 IDD mins. Fair usage policy applies.
Disclaimer:
This content is provided for general information and convenience. While we take care in preparing our articles, readers should refer to official sources or professional advice for specific, up-to-date details.
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