Best eSIM for Singapore (2026): Prices, Networks and Which Plan to Buy
Updated · Wayfarro team
The best eSIM for Singapore is whichever gives you unlimited data cheaply, because coverage is a solved problem on an island this small. For light use, 1GB for 7 days costs $4 with Wayfarro and $4 with Nomad. For heavy use, 7 days of unlimited data costs $12 with Wayfarro and $27 with Airalo; Nomad doesn't sell a 7-day unlimited plan. Wayfarro's prices come straight from its store; Nomad's and Airalo's were checked in October 2026. All three are fast everywhere from Changi to Sentosa. The differences are which plan lengths exist and what you pay for unlimited.
Best eSIM for Singapore: prices compared
These are the plans travelers actually buy, taken from each provider's own Singapore page. Prices change and sales come and go, so check before you buy.
| Plan | Wayfarro | Nomad | Airalo |
|---|---|---|---|
| 1GB · 7 days | $4 | $4 | — |
| 2GB · 15 days | $6 | — | — |
| 3GB · 30 days | $6.50 | $6.50 | — |
| 5GB · 30 days | $9 | $9 | — |
| 10GB · 30 days | $14 | $14 (sale) | — |
| 20GB · 30 days | $19 | $21 (sale) | — |
| 50GB · 30 days | $31 | $31 | — |
| Unlimited · 1 day | $5 | — | — |
| Unlimited · 3 days | $7 | — | $11.50 |
| Unlimited · 5 days | $9 | $18 | $18.50 |
| Unlimited · 7 days | $12 | — | $27 |
| Unlimited · 10 days | $16 | $27 | $34.50 |
| Unlimited · 15 days | $23 | — | $48 |
| Unlimited · 30 days | $44 | — | $69 |
| Networks | Singtel, StarHub | StarHub, Singtel | Singtel + 1 more |
How to read this table: On fixed data, Wayfarro and Nomad are level at 1GB, 3GB, 5GB and 50GB, level at 10GB while Nomad's sale runs, and Wayfarro is cheaper at 20GB. On unlimited plans the gap is wide: Wayfarro is the cheapest here at every length, at 3, 5 and 7 days by half or more. It's also the only one with a 1-day plan, which is the one to buy for a layover. A dash means the provider doesn't sell that exact plan, or we couldn't confirm its US-dollar price. Airalo also sells fixed-data Singapore plans; check its site for current prices.
Wayfarro's unlimited rows are its Unlimited Lite plans: 1GB a day at full speed, then 512 kbps until the next day. It also sells Unlimited Essential (1GB a day, then 1.25 Mbps) and Unlimited Plus (2GB a day, then 2 Mbps). Seven days costs $14 on Essential and $28 on Plus.
Singtel vs StarHub: does the network matter here?
Almost not at all. Singapore has four networks, Singtel, StarHub, M1 and Simba, on an island about 50 km wide with some of the densest mobile infrastructure anywhere. All four cover the MRT tunnels, the Changi terminals, Sentosa, the Southern Ridges trails and the HDB heartlands. 5G is the norm on Singtel and StarHub across the city.
Where you might notice a difference:
- Deep inside malls and basements: Marina Bay Sands, VivoCity and the Orchard Road basements are big enough that one network sometimes beats another by a bar. A plan with two networks sidesteps this.
- Pulau Ubin and the Southern Islands: The quiet corners of Ubin and the beaches on St John's and Lazarus islands have usable but thinner signal.
- The Causeway and Tuas crossings: Your Singapore eSIM stops at the border. Walking across to Johor Bahru, you'll be on Malaysian networks within a few hundred metres, and a Singapore-only plan won't connect.
Wayfarro's Singapore eSIM uses Singtel and StarHub, the two largest. Nomad uses the same pair and Airalo leads with Singtel. For this destination, choose on price and plan length, not network.
The tourist SIM registration rule, and why an eSIM skips it
Singapore registers every prepaid SIM to a passport. Buy a local tourist SIM at Changi or a 7-Eleven and you'll show your physical passport, you're limited to three prepaid SIMs per passport across all operators, and since 15 July 2024 a passport-registered SIM is suspended after 30 days unless it's re-registered to a Singapore-issued ID. For a holiday that's fine; for anyone coming and going on business it's a nuisance.
A travel eSIM bought before you fly connects as a roaming line on Singtel or StarHub, so there's no registration, no passport scan and no 30-day cut-off. You install it at home and it's working before you reach immigration.
What "unlimited" means on a Singapore eSIM
Every unlimited travel eSIM has a daily fair-use limit. Once the day's high-speed allowance is used, speed drops until the next day. Wayfarro publishes its limits on the plan page: 1GB a day on Lite and Essential, 2GB a day on Plus, then 512 kbps, 1.25 Mbps or 2 Mbps for the rest of the day. Nomad's and Airalo's Singapore pages don't state a daily limit, so ask before you rely on one.
In Singapore that matters less than elsewhere, because fast free Wi-Fi is never far away. Use the eSIM for the gaps and let the hotel or mall Wi-Fi carry the heavy lifting. If you're working from the city for a week and tethering a laptop in cafés, Unlimited Plus (2GB a day, then 2 Mbps) is the one to pick.
Which Singapore eSIM should you buy?
Match the plan to how long you're here:
- Layover of a few hours to a day: The 1-day unlimited plan at $5. Nobody else in this comparison sells one. Enough for the Jewel waterfall, a hawker centre run and the ride back to Changi.
- Two to four days: The 3-day unlimited plan at $7 is the easy answer, well under Airalo's $11.50. If you're frugal with data, the 3GB plan at $6.50 is enough for maps and Grab.
- A week: The 7-day unlimited plan at $12 is less than half of Airalo's $27. The 10GB plan at $14 is the fixed-data alternative, level with Nomad's sale price.
- Two weeks to a month, working: The 30-day unlimited plan is $44, against Airalo's $69. Prefer no daily cap? 50GB for 30 days is $31, level with Nomad.
- Singapore plus Malaysia, Bali or Bangkok: Skip the single-country plan and look at a regional one.
How to set up an eSIM for Singapore
Install at home, switch it on when you land. It takes about two minutes:
- Check your phone is unlocked and supports eSIM. iPhone XS and later, Google Pixel 3 and later, and most recent Samsung Galaxy phones do.
- Install over Wi-Fi before you fly. Scan the QR code or use the one-tap install. Step-by-step install guide.
- Label it "Singapore" so it's easy to find in settings.
- When you land at Changi, set the Singapore eSIM as your mobile-data line and turn on Data Roaming for it. Travel eSIMs connect as roaming lines, so data won't flow without that switch.
- Keep your home SIM on for calls and texts with its own data roaming off, so bank codes and booking confirmations still arrive.
With Wayfarro, your plan's validity starts when the eSIM first connects in Singapore, not when you install it. If anything needs fixing, Changi's free Wi-Fi covers the public and transit areas.
Singapore-specific tips
The city runs on apps. Grab for rides and food, the SimplyGo app or a contactless card for the MRT and buses, and QR codes for everything from hawker-stall menus to museum tickets. You'll be online constantly, in small bursts, which is exactly the pattern an unlimited plan suits.
Wireless@SG is real, with a catch. More than 20,000 free hotspots in malls, MRT stations, libraries and museums, at a minimum of 5 Mbps. Setup is a one-time job through the Wireless@SGx app or a browser login, and the login can ask for a mobile number, which for visitors means your foreign number and possibly a roaming SMS charge. It works well as a backup, less well as a plan.
Don't forget the border. A day trip to Johor Bahru for cheaper shopping is common, and your Singapore eSIM goes quiet the moment you cross. A Malaysia plan or a regional plan covers it.
Heat means more screen time than you think. You'll duck into air-conditioned malls and plan routes to stay out of the midday sun, and all of that is Google Maps and Grab. Budget 1GB a day and you'll be comfortable.
Bottom line
Wayfarro is the cheapest in this comparison on every unlimited Singapore plan, often by half, and level with Nomad on fixed data. It's also the only one with a 1-day plan, which makes it the obvious pick for a layover. Airalo is reliable but costs the most at every unlimited length. Network doesn't decide this one; price and plan length do. See Wayfarro's Singapore eSIM plans. If Singapore is the gateway to a longer trip, the Southeast Asia regional eSIM covers it with its neighbours, a Malaysia eSIM handles the Johor Bahru day trip, and the Trip Builder chains single-country plans so each one starts when you arrive.
FAQ
Which network is best for an eSIM in Singapore?
It barely matters. Singapore is about 50 km across and Singtel, StarHub, M1 and Simba all cover the whole island, including the MRT tunnels and Sentosa. Singtel is the largest and StarHub a close second. Wayfarro's Singapore eSIM uses both, so you get whichever is stronger where you're standing.
Do tourists have to register a SIM card in Singapore?
Local prepaid SIMs, yes. Singapore requires every prepaid SIM to be registered to a passport, each passport can hold at most three, and since July 2024 a passport-registered SIM stops working after 30 days unless it's re-registered to a Singapore ID. A travel eSIM bought before you fly connects as a roaming line, so none of that applies and there's no counter to visit at Changi.
Is Singapore's free Wi-Fi good enough to skip an eSIM?
For a day, maybe. Changi has free Wi-Fi in the public and transit areas, and Wireless@SG runs more than 20,000 hotspots in malls, MRT stations, libraries and museums, with a one-time setup through the Wireless@SGx app or a browser login that takes a foreign mobile number. Between hotspots, on buses and in taxis, you're offline, and ride-hailing and food-ordering apps are where Singapore happens. A 3-day unlimited plan at $7 removes the hassle.
How much data do I need for a few days in Singapore?
About 1GB a day for maps, Grab, MRT apps, messaging and photos. For a 3–5 day stay, the 5GB plan at $9 or the 3-day unlimited at $7 both do the job. Singapore's unlimited plans are cheap, so heavy users should just take unlimited.
Can I use a Singapore eSIM in Malaysia or on a cruise?
A Singapore eSIM only works in Singapore. If you're crossing the Causeway to Johor Bahru, heading to Kuala Lumpur or on to Bali, a Southeast Asia regional eSIM covers several countries on one plan, or pair single-country plans in the Trip Builder. On a cruise, the eSIM works in port and drops out at sea like every land network.
When does my Singapore eSIM start counting down?
With Wayfarro, validity starts when the eSIM first connects to a Singaporean network, not when you install it. Install at home on Wi-Fi and switch it on when you land at Changi. For a layover, the 1-day plan at $5 starts the moment you connect.