The best local option for most visitors is the Singtel hi!Tourist SIM, sold across all four Changi Airport terminals from around S$12 with 100GB of data. StarHub and M1 offer near-identical tourist packs. The catch: Singapore law requires you to register every SIM with your passport at the counter. Because Singapore is tiny with excellent island-wide coverage, a travel eSIM installs before you fly and is often the easier choice for short stays, see our Singapore eSIM guide to compare, or let the eSIM Finder pick for you.
What This Guide Covers
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Singapore's Mobile Landscape
Singapore has three main mobile network operators: Singtel, StarHub, and M1. All three run nationwide 5G networks, and because the entire country is just 50 km across, coverage is excellent everywhere, including the MRT subway, Sentosa, and the airport. There is genuinely no bad network here.
All three carriers sell purpose-built tourist SIMs loaded with enormous data allowances, often 100GB or more, plus a few gigabytes of roaming data for nearby Malaysia, Indonesia, and Thailand. Prices start around S$12, which is excellent value if you want a local number and physical card.
Passport Registration Is Mandatory
Unlike France or the UK, Singapore legally requires every prepaid SIM to be registered to a passport at the point of sale. The shop assistant scans your passport before the SIM is activated. You cannot buy an anonymous SIM, and each passport is limited in how many lines it can register. Bring your physical passport, not a photocopy.
Singtel hi!Tourist SIM
Singtel hi!Tourist: The Default Choice
Singapore's largest network with the most Changi pickup points and a low S$12 entry price
Singtel is the incumbent operator with the broadest retail footprint, which makes the hi!Tourist SIM the easiest physical card to grab on arrival. The S$12 plan with 100GB is far more data than most short-stay visitors could use, and the S$30 and S$50 tiers add faster 5G priority and extra regional roaming for hops to Malaysia or Indonesia.
Strengths
Weaknesses
StarHub Travel SIM
StarHub Travel SIM: Unlimited Data Option
The only major tourist SIM offering truly unlimited local 5G data
StarHub's Traveller 5G plan is the pick if you want unlimited data without watching a counter. At S$15 for 14 days it bundles unlimited local 5G (subject to a 100GB fair-use cap), 500 minutes of local calls, and 3GB of roaming for 20 Asia-Pacific destinations. The S$50 Traveller++ extends this to 28 days with a higher fair-use cap and more roaming, useful for longer regional trips.
Strengths
Weaknesses
M1 Tourist SIM
M1 Tourist SIM: Cheapest Longer Validity
Strong value with a 30-day option and wide convenience-store availability
M1 matches Singtel on price but stands out for its 30-day S$14 plan, the best value if you are staying a few weeks. The S$12 entry plan gives 100GB over 15 days with 500 local call minutes and a 3GB regional roaming allowance. M1 cards are also stocked at 7-Eleven and Cheers convenience stores around the island, so you can pick one up after leaving the airport.
Singapore Tourist SIM Plans Compared
| Carrier | Plan | Data | Validity | Price | Best For |
|---|---|---|---|---|---|
| Singtel | hi!Tourist Entry | 100GB + 3GB roam | 14 days | S$12 | Most tourists |
| Singtel | hi!Tourist Top | 120GB 5G + 10GB roam | 28 days | S$50 | Long regional trips |
| StarHub | Traveller 5G | Unlimited (100GB FUP) | 14 days | S$15 | Unlimited data + calls |
| M1 | Tourist SIM Entry | 100GB + 3GB roam | 15 days | S$12 | Budget pick |
| M1 | Tourist SIM 30-day | Large local + roam | 30 days | S$14 | Longer stays |
Prices and exact allowances shift with carrier promotions, so confirm at the counter or on the operator's site. The headline takeaway is consistent: all three networks give you far more data than a typical Singapore trip requires, and they are cheap.
Where to Buy a SIM Card in Singapore
Changi Airport (Easiest on Arrival)
All four terminals sell tourist SIMs through Changi Recommends counters, Cheers and 7-Eleven convenience stores, and carrier kiosks. Counters are in the arrival halls so you can buy before clearing into the city. Bring your passport for registration.
7-Eleven and Cheers Convenience Stores
7-Eleven and Cheers stores across the island stock Singtel, StarHub, and M1 tourist SIMs. There is a 7-Eleven on nearly every block in the central area, so you are never far from one if you skip the airport.
Telco Shops in the City
Singtel, StarHub, and M1 run flagship and mall stores in areas like Orchard Road, Marina Bay, and Bugis. Staff speak English and can help with activation, top-ups, and any registration issues.
Pre-Order Online for Airport Pickup
StarHub, Singtel, and resellers like Changi Recommends let you reserve a SIM online before your flight and collect it at a Changi counter, skipping the decision-making but not the passport scan.
eSIM vs Local SIM in Singapore
| Factor | eSIM | Local SIM |
|---|---|---|
| Setup time | 3 minutes, before your flight | 10 to 20 minutes at a counter on arrival |
| Passport required | No | Yes, Singapore law mandates registration |
| Price (3 days, a few GB) | ~$4 to $8 (Airalo, Nomad) | S$12 to S$15 (far more data than needed) |
| Phone calls | Data only (use WhatsApp or apps) | Local number plus included call minutes |
| Best for | Short stays, multi-country Asia trips | Longer stays, need a local number |
Singapore is one of the strongest cases for an eSIM. The country is tiny with flawless coverage, so you do not need a heavyweight local data pack, and a regional Asia eSIM keeps working as you continue to Bangkok, Kuala Lumpur, or Bali. The local SIMs are great value on paper, but for a 1 to 3 day stopover the passport registration and airport queue rarely beat tapping install before you board.
Singapore-Specific Tips
Practical Advice for Staying Connected in Singapore
Short stopovers: If you are in transit or staying just one or two nights, a travel eSIM or even Changi Airport's free WiFi may be all you need. The local tourist SIMs are sized for longer regional trips.
Regional hopping: Singtel, StarHub, and M1 tourist SIMs all bundle a few GB of roaming for Malaysia, Indonesia, Thailand, and Hong Kong, handy if you are island-hopping around Southeast Asia.
MRT and Sentosa: Coverage is total, including underground MRT stations, Sentosa, and Jewel. Any of the three networks works everywhere.
Free WiFi: Singapore has the government Wireless@SG network plus free WiFi at Changi, malls, and most cafes, so you can get online even before buying a SIM.
Top-ups: Reload any prepaid SIM through the carrier app, at 7-Eleven and Cheers stores, or via online top-up portals using a credit card.
Frequently Asked Questions
Do I need my passport to buy a SIM card in Singapore?
Yes. Singapore law requires every prepaid SIM to be registered to a passport at the point of sale, and the shop assistant scans it before activation. Bring your physical passport, not a photocopy. This applies at Changi Airport, telco shops, and convenience stores alike.
Can I buy a SIM card at Changi Airport?
Yes. All four Changi terminals sell tourist SIMs through Changi Recommends counters, Cheers and 7-Eleven convenience stores, and carrier kiosks, located in the arrival halls. Singtel, StarHub, and M1 are all available. Remember to have your passport ready for the mandatory registration.
Is a local SIM worth it for a 1 to 3 day stay in Singapore?
Usually not. The local tourist SIMs start around S$12 with 100GB of data, which is far more than a short stopover needs, and you still have to register with your passport and queue at the airport. For a brief visit, a cheaper travel eSIM or a regional Asia eSIM that keeps working in nearby countries is the easier and better-value choice.
How much data do Singapore tourist SIMs include?
A lot. Singtel's entry hi!Tourist SIM and M1's tourist SIM both give 100GB for around S$12, while StarHub's Traveller 5G offers unlimited local data with a 100GB fair-use cap for S$15. Higher tiers reach 120GB or more with extra regional roaming. Most short-stay visitors use only a few gigabytes.
Should I get an eSIM or a physical SIM for Singapore?
An eSIM is often the better pick. Singapore is small with flawless coverage everywhere, so you do not need a heavyweight local data pack, and an eSIM installs in minutes before you fly with no passport registration. Choose a physical local SIM if you want a Singapore phone number with call minutes or are staying several weeks.