Network coverage in Singapore: 5G is the published default
Singapore has 1 mobile network: StarHub (5G). All 5 providers we rank route through these carriers. Our editorial pick routes through Singtel, which is the sole 5G carrier operating in Singapore. Airalo's catalogue starts at $0.74/GB with 5G access. Runners-up HelloRoam and Holafly connect via Singtel, scoring 4.9/5 and 4.3/5 on coverage.
Provider routing covers 1 mobile network in Singapore: Singtel, StarHub, M1, and TPG. Singtel connects through the strongest combination of urban coverage and rural reach among those options. Singtel sits at the top of the published carrier list for travel eSIM traffic in Singapore. 5G coverage is widespread: Nationwide 5G standalone coverage achieved in 2025; all carriers offer 5G.
Coverage notes for Singapore, from the carriers' published maps: 5G is published across the entire island, Sentosa and East Coast Park included. passport required for prepaid sim purchase; instant activation. Singapore welcomes 16.5M (2024) tourists annually. peak travel runs in Dec-Jan and Jun-Aug.
A travel eSIM in Singapore attaches to Singtel on 5G. All 5 ranked providers ride that same host network rather than one of their own, so the network under a HelloRoam plan and the network under an Airalo plan is the same equipment. Singtel is the only operator on the published list for Singapore, which removes any fallback if it drops. This site publishes no throughput figure, because it runs no speed test.
5G status in Singapore: Nationwide 5G standalone coverage achieved in 2025; all carriers offer 5G. Your eSIM automatically connects to the fastest available band when 5G is in range.
How to install an eSIM for Singapore without a shop visit
Purchase your Singapore eSIM from the provider app or website. Scan the QR code over WiFi at home. The eSIM installs in under 2 minutes. Label the new line "Singapore Data" to keep it separate from your home SIM.
When you land in Singapore, enable data roaming on the eSIM line. Your phone connects to Singtel's 5G network within 30 seconds. Singapore requires SIM registration. Travel eSIM providers handle this automatically during activation.
Download your Singapore eSIM while you still have WiFi at home. Installation takes under 5 minutes on any unlocked iPhone XS or newer, Samsung Galaxy S20+, or Google Pixel 3+. We recommend completing setup at least 24 hours before your 4-day trip. Singapore has 1 carrier network, and plans start at $5.49 for 1GB.
Your eSIM connects to Singtel's 5G network in Singapore. The country operates 1 network: Singtel, StarHub, M1, and TPG. Singtel provides the strongest combination of urban reach and tourist-corridor coverage based on network data.
Open your provider's app, scan the QR code, and select Singapore as your data plan destination. Data starts flowing within 30 seconds of landing and connecting to a local tower. The catalogue lists 7 plans for Singapore, starting at $0.74/GB on Singtel's infrastructure.
Singapore requires SIM registration for mobile connections. Passport required for prepaid SIM purchase; instant activation. Travel eSIM providers typically handle this step for you during activation.
5G is widely available in Singapore: Nationwide 5G standalone coverage achieved in 2025; all carriers offer 5G. Your eSIM automatically connects to the fastest available band. From the carriers' published coverage maps for Singapore: 5G is published across the entire island, Sentosa and East Coast Park included.
For a full walkthrough with screenshots, see our eSIM buying guide.
Singapore data plans: cheap per gigabyte, so buy a size up
The published price ladder for Singapore: 1GB at $5.49 ($5.49/GB), 3GB at $5.99 ($2/GB), 5GB at $8.99 ($1.80/GB), 10GB at $13.99 ($1.40/GB), 20GB at $20.49 ($1.02/GB). Best value sits at 20GB for $20.49, at $1.02 per gigabyte. Budget entry starts at $5.49 for 1GB. Premium unlimited daily data costs $3.49/day with 2GB at full speed before throttling. Longer commitments reduce the daily rate: the 30-day plan drops to $2.86/day (18% off). Among the 5 providers we ranked, HelloRoam scores highest on pricing (4.8/5). Holafly follows at 4.7/5. Ladder rates run from $0.74 to about $5.49 depending on plan size. Pricing context from our research: Singapore eSIM prices premium vs Thailand or Vietnam but 70% cheaper than carrier roaming from US/UK/AU..
Before purchasing an eSIM for Singapore, our editors flagged these details.
Coverage notes for Singapore, from the carriers' published maps: 5G is published across the entire island, Sentosa and East Coast Park included.
Our scoring notes for Singapore: All three major networks deliver near-identical performance in Singapore due to the small island geography..
SIM registration requirement: Passport required for prepaid SIM purchase; instant activation.
WiFi availability in Singapore: Wireless@SG provides free public WiFi island-wide; excellent coverage in MRT, malls, and public spaces.
Singapore's 5G standalone network covers 95%+ of the island, among the best 5G experiences globally.
TPG became Singapore's fourth carrier in 2020, increasing competition and lowering prices.
Light travelers (maps, messaging, email) use 500MB-1GB per day. Moderate users (social media, photo uploads, ride-hailing) need 1-2GB daily. Heavy users (video calls, streaming, remote work) consume 2-4GB per day.
For a 4-day trip to Singapore: light users need roughly 3GB, moderate users need 6GB. The 20GB plan at $20.49 on Singtel covers the moderate scenario.
WiFi in Singapore: Wireless@SG provides free public WiFi island-wide; excellent coverage in MRT, malls, and public spaces. Available WiFi reduces your eSIM data consumption, but should not be relied on for critical tasks.
Singapore eSIM pricing on Singtel: 1GB: $5.49 ($5.49/GB), 3GB: $5.99 ($2/GB), 5GB: $8.99 ($1.80/GB), 10GB: $13.99 ($1.40/GB), 20GB: $20.49 ($1.02/GB). Larger plans reduce the per-GB cost. All prices are one-time with no auto-renewal.
Unlimited option: $3.49/day with no data cap (2GB at full speed). Multi-day discounts available: the 30-day plan costs $2.86/day.
Airport SIM comparison: kiosk SIMs in Singapore cost $12-30 for 100GB / 7-28 days with 5-10 min; Changi has multiple options across terminals wait time. eSIM prices start at $0.74/GB with instant activation.
Explore all destinations in Asia or read our full buying guide to understand which provider wins for your travel style. See also: the rubric each provider is scored against.
Singapore: the airport SIM wins on price, the eSIM wins on time
Buying a SIM at Changi (SIN) and installing an eSIM before departure compare on published price alone. Singtel, StarHub, and M1 sell prepaid SIMs at the arrivals terminal. Airport SIM cards typically cost $12-30 for 100GB / 7-28 days. Vendors quote 5-10 min; Changi has multiple options across terminals for purchase and activation at the counter. An eSIM activates in under 2 minutes from your phone, with zero wait and no counter visit.
Local prepaid SIMs in Singapore run $10-20 for 30-100GB / 14-28 days. The cheapest gigabyte in the published catalogue costs $0.74, which undercuts most prepaid counters. The eSIM also saves you from ID registration lines and store visits that eat into your first day.
Our comparison note: Singapore's compact size means a single eSIM provides excellent coverage everywhere. No dead zones to worry about..
Singapore verdict: it takes heavy daily use before unlimited pays
For budget travelers the pricing dimension is the one to read: HelloRoam publishes an entry rate of $3.50/GB and scores 4.8/5 there, ahead of Holafly at 4.7/5. Plans in Singapore attach to StarHub on 5G, with Singtel, M1, and TPG also on the published carrier list. Airalo's Singapore catalogue undercuts that: the ladder steps from $5.49 for 1GB to $20.49 for 20GB, and the 20GB rung is its cheapest gigabyte at $1.02. Holafly sells unlimited at $2.99/day, so a trip past 7 days costs more on the day rate than the 20GB rung costs outright at $20.49. One local detail the rubric does not score: Changi Airport has free unlimited WiFi and free phone charging stations throughout all terminals.
HelloRoam earns the Singapore pick at 9.5/10, with the top mark on network tier, pricing and support. Its published entry rate is $3.50/GB, which the 20GB rung on this ladder beats at $1.02/GB.
Airalo follows at 9.3/10, 0.2 points back, and the ladder this page quotes is Airalo's own Singapore catalogue, which bottoms out at $0.74/GB.
Worth knowing before you buy for Singapore: MRT transit card (EZ-Link) available on Apple Pay and Google Pay alongside eSIM.
eSIM provider comparison for Singapore (June 2026)| Provider | Score | $/GB | Best For | Action |
|---|
| HelloRoam | 9.5/10 | from $3.50/GB | Editors Choice | Get deal → |
|---|
| Airalo | 9.3/10 | $4.50/GB | Widest Coverage | Get deal → |
|---|
| Holafly | 8.9/10 | $2.99/day | Best Unlimited | Get deal → |
|---|
| Saily | 8.4/10 | $3.99/GB | Best Privacy | Get deal → |
|---|
| Nomad | 8/10 | $3.00/GB | Best Budget | Get deal → |
|---|
See our budget eSIM guide for the cheapest options, or our unlimited eSIM guide if data caps are a concern.
Provider assessments for Singapore
HelloRoam
HelloRoam scores 9.5/10 on an entry rate of $3.50/GB, and the best rung on the Singapore ladder is 20GB at $1.02/GB, below that. Every provider here rides the same host networks in Singapore: StarHub on 5G, plus Singtel, M1, and TPG.
Airalo
Airalo scores 9.3/10 on an entry rate of $4.50/GB, and the ladder on this page is its own Singapore catalogue: $5.49 for 1GB up to $20.49 for 20GB, bottoming out at $0.74/GB.
Holafly
Holafly scores 8.9/10 and sells unlimited only, at $2.99/day, so the comparison is a break-even: under 7 days that costs less than the 20GB rung's $20.49, and past it costs more.
Saily
Saily scores 8.4/10 on an entry rate of $3.99/GB, and 4 of the 5 rungs on the Singapore ladder cost less per gigabyte than that.
Nomad
Nomad scores 8.0/10 on an entry rate of $3.00/GB, and Airalo's catalogue floor for Singapore is $0.74/GB, under that.
Real-world usage in Singapore
Navigation and maps in Singapore
Google Maps and Waze use 5-10MB per hour of active navigation. On Singtel's 5G network, maps load in under 2 seconds. The 20GB plan at $20.49 covers 2-3 weeks of daily navigation.
Messaging and video calls
WhatsApp, FaceTime, and Zoom run smoothly on 5G in Singapore. A 30-minute video call uses roughly 270MB. WiFi context: Wireless@SG provides free public WiFi island-wide; excellent coverage in MRT, malls, and public spaces.
Streaming and content
HD video streaming uses about 1.5GB per hour on Singtel's network. Holafly's unlimited plan from $2.99/day handles heavy streaming without data caps.
Typical 4-day trip
A moderate traveler uses about 1.5GB per day across maps, messaging, and photo uploads. For 4 days in Singapore, plan for 6GB total. The 20GB plan at $20.49 is the best match for this usage level.
Value analysis for Singapore
The 20GB plan delivers the strongest value at $1.02/GB for Singapore. Budget travelers can start with 1GB at $5.49. Both tiers connect through Singtel's 5G network with identical speed access.
Unlimited data costs $3.49/day for Singapore. For trips under 6 days, a fixed plan wins on cost. Longer stays or heavy data usage tips the balance toward unlimited.
HelloRoam leads our Singapore value ranking with a 9.5/10 editorial score. 5 providers compete for Singapore. The published ladder starts at $0.74/GB.
How the rubric scored eSIMs for Singapore
All 5 providers are scored on the same five weighted dimensions, every input a figure the provider publishes: coverage 25%, pricing 25%, network tier 20%, app 15%, support 15%.
What the rubric read for Singapore: a carrier list of 4 operators, with StarHub on 5G; a 5-rung published ladder from $5.49 for 1GB to $20.49 for 20GB; a lowest catalogue rate of $0.74/GB, which is Airalo's; an unlimited daily option in the same Airalo catalogue.
Read the full scoring rubric.
Singapore in the Asia eSIM landscape
Singapore ranks in the mid tier for eSIM infrastructure in Asia. 1 network accept eSIM roaming, with Singtel providing the primary routing for all 5 providers.
Per-GB pricing in Singapore starts at $0.74, which is competitive for the Asia region. 7 plans are available across providers, including unlimited daily data at $3.49/day.
5G availability gives Singapore an edge over neighboring destinations that remain on 4G LTE only. Nationwide 5G standalone coverage achieved in 2025; all carriers offer 5G.
What travelers ask about eSIMs in Singapore
Why does HelloRoam earn your Singapore eSIM pick?
HelloRoam scores 9.5/10 on our published rubric for Singapore, the highest composite of the five providers ranked here. Plans for Singapore route through Singtel on 5G. HelloRoam refunds an unactivated eSIM for 180 days. Its dimension scores are coverage 4.9/5, network tier 4.7/5, app 4.7/5, pricing 4.8/5 and support 4.5/5. Airalo's published ladder for Singapore starts at $1.02/GB, with its 20GB plan at $20.49.
How do you score eSIM providers in Singapore?
The BesteSIM rubric scores HelloRoam, Airalo, Holafly, Saily and Nomad on five published inputs. No figure here comes from a speed test. Coverage carries 25% and reads the operator list for Singapore, which names 1 carrier network led by Singtel. Price carries 25%, normalised to cost per gigabyte across every plan size. Network tier carries 20%, app features 15%, and support access 15%, the last read off published support languages: HelloRoam answers in 63, Airalo in 12, Saily in 1. Nationwide 5G standalone coverage achieved in 2025; all carriers offer 5G. Every input is a published figure a reader can check.
What changed in the 2026 Singapore eSIM rankings?
Pricing update for 2026: the 1GB plan is now $5.49. All five providers route through Singtel in Singapore. 5G coverage note: Nationwide 5G standalone coverage achieved in 2025; all carriers offer 5G. We rank 7 plans for Singapore, with the 20GB plan at $1.02/GB.
Which phones support eSIM for Singapore?
Your eSIM connects to Singtel's 5G network in Singapore. 5G is confirmed on iPhone XS+, Samsung Galaxy S20+, and Google Pixel 3+. Your device must be carrier-unlocked. Singtel publishes 5G service across Singapore. Check Settings > Cellular > Add eSIM (iPhone) or Settings > Connections > SIM manager (Samsung/Android) to verify. Most 2022+ Android flagships also work on Singtel's 5G signal in Singapore.
Can I make phone calls with a Singapore travel eSIM?
Travel eSIMs provide data only on Singtel's 5G network. No local phone number is assigned. Use WhatsApp, FaceTime, or Zoom over your Singapore data connection. Keep your home SIM active to receive calls on your regular number. All five providers ranked here (HelloRoam, Airalo, Holafly, Saily, Nomad) sell data-only plans for Singapore.
What 5G coverage can I expect from a Singapore eSIM?
All five providers route Singapore eSIMs through Singtel, the leading carrier in the Asia region. Nationwide 5G standalone coverage achieved in 2025; all carriers offer 5G. Singtel publishes 5G service across the main cities and tourist corridors, and every provider on this page rides that same network rather than one of its own.
Is eSIM support mature in Singapore compared to the rest of Asia?
Singapore has 1 network operator accepting eSIM roaming: StarHub. That puts it in the mid tier for Asia eSIM maturity. All five ranked providers sell data-only plans on 5G here. Provider scores for Singapore are on each provider's review page, with the weighting shown in full on the rubric page.
Can I tether or hotspot with a Singapore eSIM?
It depends on the provider. Airalo, Saily, and Nomad allow tethering on their Singapore plans with no extra fee. You can share your 5G connection on StarHub with laptops and tablets. Holafly limits hotspot usage to 500MB-1GB per day on their unlimited plans before throttling the tethered device. Airalo's hotspot delivers 5G speeds to connected laptops and tablets without throttling.
How much does an airport SIM cost vs eSIM in Singapore?
Airport SIM cards in Singapore typically cost $12-30 for 100GB / 7-28 days from Singtel, StarHub, M1. You will wait 5-10 min; Changi has multiple options across terminals in line, plus time for ID registration. An eSIM starts at $0.74/GB with instant Singtel activation from your phone. Compare the two on published price alone: $12-30 for 100GB / 7-28 days at the kiosk against $0.74/GB from the phone, with no counter queue and no passport scan.
What is the best-scoring eSIM plan for Singapore?
The 20GB plan at $20.49 ($1.02/GB) takes the highest pricing score for Singapore, because it holds the lowest published cost per gigabyte in the catalogue. It routes through Singtel on 5G, the same carrier every one of the five providers uses here. Full plan range: 1GB at $5.49, 3GB at $5.99, 5GB at $8.99, 10GB at $13.99, 20GB at $20.49. The 20GB tier suits trips of 5 days or more.
How much does roaming cost in Singapore vs an eSIM?
Home carrier roaming in Singapore typically costs $5-15/day or $10-20/GB. An eSIM starts at $0.74/GB on Singtel's 5G network. The 20GB plan at $20.49 covers most trips for a fraction of roaming fees.
Can I use multiple eSIMs in Singapore?
Most modern phones support 8-10 eSIM profiles simultaneously. Only one data eSIM can be active at a time in Singapore. You can keep your home SIM active for calls while using an eSIM on Singtel for data. Switch between profiles in Settings without removing any.
Staying connected in Singapore: strong WiFi, and when data still wins
Data usage runs high in Singapore due to ride-hailing apps, translation tools, and maps. Travelers use about 2.0GB per day on average. A typical 4-day visit needs roughly 8GB of mobile data. WiFi note: Wireless@SG provides free public WiFi island-wide; excellent coverage in MRT, malls, and public spaces.
You will likely arrive at Changi (SIN). the local time zone is SGT (UTC+8). wall outlets use Type G sockets, so pack the right adapter.
Save Singapore's emergency number (999/995) in your contacts before departure. the local currency is SGD (S$). Your eSIM connects to Singtel the moment you land, giving you instant access to maps and messaging.
Travel timing: Year-round destination; peak during Christmas/New Year and European summer holidays. eSIM prices from international providers stay fixed regardless of peak or off-peak travel periods.
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Singapore · 5 providers compared
