Singapore eSIM guide
Singapore connectivity hub

Singapore eSIM Guide 2026

Researched & verified

Singapore is the easiest connectivity decision in Asia. The city-state achieved 100% population 5G Standalone coverage in 2022, three years ahead of the government's target, and has only gotten faster since. Singtel recorded a median 5G download speed of 421.79 Mbps in H1 2025, the fastest of any Singapore carrier. StarHub's 5G median sits at 369 Mbps. M1 leads on 5G availability with users spending 52.9% of time on an active 5G connection. There are no coverage dead zones, no rural gaps and no island dead zones. The only question for a traveler is which eSIM to buy before landing at Changi.

Singapore was the world's first country with complete nationwide Standalone 5G coverage. For a traveler, this means one thing: wherever you go in Singapore, you have fast mobile data. The question is cost, not coverage.

The network picture: all excellent, some more excellent than others

Singapore has three major operators - Singtel, StarHub and M1 - plus SIMBA and a range of MVNOs running on the big three networks. All three major operators have 99%+ 5G coverage. The differences are in speed, underground MRT coverage, and price, not in whether you have a signal. Choosing a network in Singapore is a performance and value question, not a coverage question.

Operator5G median speed (H1 2025)5G coverageKey strength
Singtel421.79 Mbps (Ookla H1 2025)95% SA, full MRT underground 5GFastest raw speed, most consistent, full underground coverage. First and only MRT tunnel 5G across all 6 lines.
StarHub369.39 Mbps (Ookla H1 2025)99%+ outdoor SAMost awards (Opensignal June 2025). Best overall experience, competitive pricing.
M1362.3 Mbps (Opensignal)99%+ outdoor SABest 5G availability (52.9% active connection time). Best 5G video experience score.
The MRT underground advantage

Singtel is the only operator with complete 5G coverage across all six underground MRT lines and 27 Thomson-East Coast Line stations. StarHub and M1 have strong underground 4G but limited underground 5G. For commuting between major attractions on the MRT, Singtel gives you the fastest experience below ground.

What 100% coverage actually means for a traveler

In practical terms: you have fast mobile data everywhere in Singapore, at all times. Marina Bay Sands rooftop. The hawker centre at the bottom of your HDB block. The Sentosa Beach cable car. The deepest underground MRT station. All covered, all fast. This is not the case anywhere else in Asia. It changes the calculus entirely: instead of worrying about where signal drops, you focus on how much data you need and what the plan costs.

No offline maps needed

Singapore is the one Asian destination where downloading offline maps is genuinely optional rather than essential. The network is reliable enough that live Google Maps works everywhere, including underground. Download them anyway if you want zero data consumption on navigation, but the safety net of offline maps is less critical here than anywhere else in this guide.

Grab and EZ-Link: the two apps that run Singapore

Grab is Singapore's dominant super-app: ride-hailing, food delivery (GrabFood), grocery delivery and payment. EZ-Link or the Singapore Tourist Pass card handles all public transport on the MRT and buses. Both require data to function fully, though the EZ-Link card itself is a physical card that taps in without connectivity.

App/CardWhat it coversSetup
GrabRides, GrabFood delivery, payments. Works island-wide.Download before you land. Set up card payment. Works immediately on data.
EZ-Link / SimplyGoMRT, LRT, buses across Singapore.Buy at Changi MRT station on arrival. Tap in and out at every gate.
Singapore Tourist PassUnlimited MRT and bus rides for 1, 2 or 3 days.Buy at Changi Airport or any TransitLink Ticket Office. Best value for first days.

How much data Singapore needs

Singapore is a small, dense city-state. You are rarely far from anything, and excellent free wifi is available in virtually every mall, hotel, hawker centre and public space. Data needs are lower than in larger Southeast Asian countries, primarily because the distances are short and transit wifi is good.

3 GBA long weekend. Grab, maps, social. Free wifi supplements.
5 GBOne week. Normal tourist use including video and GrabFood.
10 GBTwo weeks or heavy posting, video streaming, daily GrabFood.
30 GB+Remote work. Tethering, video calls, heavy upload workflows.

The Changi arrival sequence

Changi Airport regularly wins the world's best airport award. The arrival experience is seamless, and the connectivity sequence is the simplest of any city in Asia. Install your eSIM at home before flying. Land at Changi. Activate the eSIM. Open Grab. You are in one of the world's best-connected cities in under two minutes.

Do not buy at the Changi SIM counter

Physical SIM cards at Changi Airport counters require passport registration and are priced significantly above the in-city rate. An eSIM bought before you land delivers the same or better performance at a lower price, with no queue and no registration process at the airport.

Network

Practical

Comparison

Use case

Event

Network & operator

Networks available by plan

The network depends on the plan you choose. These are the published operators for the first six plans currently sold.

PlanPublished operators
1 GB ยท 7 daysStarHub
3 GB ยท 15 daysStarHub
5 GB ยท 30 daysStarHub
10 GB ยท 30 daysStarHub
20 GB ยท 30 daysStarHub
50 GB ยท 30 daysStarHub

Singapore eSIM FAQ

Is there 5G everywhere in Singapore?

Yes. Singapore achieved 100% population 5G Standalone coverage in 2022 and all three major operators now deliver 5G across the entire island. Singtel records the fastest median 5G speeds at 421.79 Mbps (Ookla H1 2025), with StarHub at 369 Mbps and M1 at 362 Mbps. There are no coverage dead zones anywhere in Singapore for a traveler.

Which Singapore network is best for tourists?

All three major networks are excellent for tourists. For raw speed and underground MRT coverage including all six lines, Singtel leads. For the best overall experience and competitive pricing, StarHub won the most Opensignal awards in June 2025. For the highest proportion of time actually on 5G, M1 leads at 52.9%. A travel eSIM that roams across any of these three delivers a premium Singapore experience.

Do I need to download offline maps for Singapore?

It is optional rather than essential. Singapore's network is reliable everywhere, including underground MRT stations, so live Google Maps works without interruption across the entire city-state. Download offline maps if you want to reduce data consumption on navigation, but the safety need that makes offline maps critical in Vietnam or Indonesia simply does not apply in Singapore.

How much does a Singapore eSIM cost?

Singapore has a competitive eSIM market. A 5 GB plan for one week sits in the $3 to $6 USD range at fair market value. A 20 GB month-long plan for a remote worker runs $10 to $20. Premium brands charge significantly more for the same network performance. Divide price by gigabytes and compare the per-GB rate before buying.

Should I use Grab or a taxi in Singapore?

Grab is almost always better value than hailing a street taxi. Singapore street taxis use metered fares but Grab is transparent, cashless and convenient. The exception is peak surge times on Grab when metered taxis may work out cheaper. Both are safe, legal and plentiful. Download Grab before you arrive.

Sort your Singapore eSIM

Pick the plan that fits your trip, or work out how much data you need first.

Singapore connectivity snapshot · live data
Price / GB
$0.97 / GB
Network quality
97/100
Top operator
Singtel
3-month price trend Calculate your data →Full price index →Speed ranking →
Source: DriftAsia open dataset · updated monthly