Singapore might be the easiest country on earth for mobile connectivity. World-class 4G/5G networks blanket an island roughly the size of a large city, and you’ll struggle to find a genuine dead zone anywhere. So why would you need this guide at all?

Because tourists still manage to overpay. A lot.

We’ve compared 6 eSIM providers for Singapore to help you find the right plan — whether you’re spending two weeks exploring hawker centres or just killing a 6-hour Changi layover.

Quick Summary: Our Top 3 Picks

Award	Provider	Why	Price
Best Overall	Airalo	Cheapest entry price, flexible plans, massive user base	From $4 / 1GB
Best for Transit	aloSIM	Micro-plans perfect for short stopovers, no wasted data	From $3.50 / 1GB
Best Unlimited	Holafly	Unlimited data for heavy users, zero data anxiety	From $19 / 5 days

Short on time? Singapore is so well-connected that almost any eSIM will work fine. If you’re in town for a few days and want something cheap and reliable, grab an Airalo plan for under $5. Transit passengers who need a few hours of connectivity should look at aloSIM’s micro-plans. Heavy users who don’t want to think about data caps can go with Holafly, but read our notes on throttling and hotspot limitations first.

Why eSIM for Singapore? (It’s Not Obvious)

Singapore already has excellent free WiFi and you can buy a tourist SIM at any 7-Eleven. So why bother with an eSIM?

• Speed at Changi. You land, turn on your phone, and you’re online before you clear immigration. No queuing at the SIM counter, no fumbling with SIM ejector tools after a 12-hour flight.
• Short stopovers. Millions of travelers transit through Changi every year. For a 4-8 hour layover, buying a physical SIM card makes zero sense. An eSIM plan costs $3-4 and activates instantly.
• No SIM card hassle. Singapore is tiny — you might only be there for 1-3 days before heading to Malaysia, Indonesia, or Thailand. An eSIM means one less thing to manage.
• Dual-SIM convenience. Keep your home number active for calls and texts while using the eSIM for data. No swapping cards, no losing your nano-SIM in a taxi.
• Singapore + Malaysia combos. Many travelers combine Singapore with Johor Bahru (literally across a bridge). Some eSIM providers offer regional plans that cover both countries.

When You DON’T Need an eSIM

Let’s be honest:

• Wireless@SG is Singapore’s free public WiFi network, and it’s genuinely usable. Available at MRT stations, malls, libraries, and many public spaces. If you’re staying in the city and don’t need constant connectivity, this might be enough.
• If you’re staying 30+ days, a local prepaid SIM (like Singtel’s hi!Tourist card) at $18-25 for 100GB gives you far more data per dollar than any eSIM.
• Most hotels in Singapore offer fast, free WiFi.

But for trips of 1-14 days where you want hassle-free connectivity from the moment you land? eSIM wins.

Top 6 eSIM Plans for Singapore Compared

Provider	Price Range	Data	Validity	Network	Hotspot	Rating
Airalo	$4 - $18	1GB - 10GB	7 - 30 days	Singtel / StarHub	Yes	4.1/5
Holafly	$19 - $69	Unlimited*	5 - 30 days	StarHub	No	4.2/5
Saily	$3.99 - $15.99	1GB - 10GB	7 - 30 days	Singtel	Yes	4.1/5
Nomad	$4 - $16	1GB - 10GB	7 - 30 days	Singtel / StarHub	Yes	4.0/5
Singtel Tourist eSIM	SGD $12 - $30	30GB - 100GB	7 - 28 days	Singtel	Yes	4.3/5
aloSIM	$3.50 - $14	1GB - 10GB	7 - 30 days	StarHub	Yes	3.9/5

*Holafly “unlimited” plans are subject to fair-use throttling, typically after 3-5GB of daily usage.

Key observation: Singapore is a surprisingly affordable eSIM market. You can get a working plan for under $4 — cheaper than a plate of chicken rice at most hawker centres.

Detailed Reviews

1. Airalo — Best Overall Value

Airalo is the world’s largest eSIM marketplace, and their Singapore plans are among their cheapest globally. Starting at just $4 for 1GB over 7 days, it’s hard to justify spending more unless you have specific needs.

The app is polished, installation takes under 2 minutes, and you can top up directly if you run out. Airalo connects through Singtel or StarHub depending on the plan — both of which deliver excellent coverage across the entire island.

Pros:

• Lowest starting price among mainstream brands
• Flexible plan sizes (1GB, 3GB, 5GB, 10GB)
• Trusted brand with millions of users worldwide
• Supports hotspot/tethering
• In-app top-ups if you need more data

Cons:

• Customer support is mostly AI chatbot — can be frustrating
• No unlimited option
• Per-GB cost is higher than buying a local SIM for longer stays

Best for: Most travelers. Unless you have a specific reason to choose another provider, Airalo is the safe default.

Read our full Airalo review

2. Holafly — Best for Heavy Data Users

If you’re going to livestream from Gardens by the Bay, binge Netflix in your hotel, and video-call home every night, Holafly’s unlimited data takes away the mental overhead of tracking usage. Plans start at $19 for 5 days on StarHub’s network.

Pros:

• Unlimited data — no caps, no stress (subject to fair use)
• Chinese-language customer support available
• Simple day-based plan structure
• 4.6/5 on Trustpilot

Cons:

• Speeds may throttle after 3-5GB daily usage (typically to 1-5 Mbps)
• Does not support hotspot/tethering — dealbreaker for sharing with travel companions
• Traffic may route through China Mobile intermediaries, raising privacy concerns
• Overkill for Singapore where free WiFi is widely available

Best for: Solo heavy users who want zero data anxiety. Not ideal for short stopovers or families needing hotspot.

Read our full Holafly review

3. Saily — Best for Security-Conscious Travelers

Backed by the NordVPN team, Saily combines eSIM convenience with privacy features. Singapore plans start at $3.99 for 1GB, and the built-in ad blocker is a nice touch for saving data.

Pros:

• Competitive pricing
• Built-in ad blocker reduces data usage
• Optional NordVPN integration for privacy
• Supports hotspot/tethering
• Clean, modern app

Cons:

• Newer brand with smaller user base
• Network partner not always disclosed upfront (typically Singtel in Singapore)
• Fewer plan tiers than Airalo

Best for: Privacy-focused travelers and NordVPN subscribers who want a seamless security setup.

Read our full Saily review

4. Nomad — Frequent Traveler’s Pick

Nomad covers 165+ countries and offers a loyalty points system for repeat customers. Singapore plans start around $4 for 1GB. Nothing spectacular, but reliable and consistent.

Pros:

• Points/rewards for frequent travelers
• Good plan variety
• Supports hotspot
• Southeast Asia regional plans available (Singapore + Malaysia + Thailand)

Cons:

• Less well-known brand
• No unlimited option
• Network assignment isn’t always transparent

Best for: Frequent travelers who want one eSIM provider for all their trips, especially if you’re hopping around Southeast Asia.

5. Singtel Tourist eSIM — Best for Longer Stays

Here’s the insider option most eSIM comparison sites overlook. Singtel, Singapore’s largest carrier, offers its own tourist eSIM directly. Starting at about SGD $12 (~$9 USD) for 30GB over 7 days, the value is significantly better than third-party providers for data-per-dollar.

Pros:

• Massive data allowance (30-100GB) at competitive prices
• Direct Singtel network access — no intermediary
• Includes some local call minutes and SMS
• Available for purchase via Singtel’s website or app before arrival
• Reliable 5G access in supported areas

Cons:

• Only works on Singtel’s network (though coverage is excellent everywhere)
• Setup process is slightly more involved than Airalo or Saily
• Plan structures are less flexible (fewer options)
• Less practical for very short stays (1-2 days)

Best for: Travelers staying 5+ days who want maximum data at the best price, and anyone who prefers going direct with the local carrier.

6. aloSIM — Best for Transit Passengers

If you’re killing time during a Changi Airport layover and just need enough data to message friends, check flight status, and maybe scroll social media, aloSIM offers micro-plans starting at $3.50 for 1GB. No wasted data, no wasted money.

Pros:

• Very affordable micro-plans
• Quick setup
• Perfect for short stopovers (1-3 days)
• Supports hotspot

Cons:

• Smaller brand, less community support
• Limited plan options at higher tiers
• No unlimited option

Best for: Transit passengers, short stopovers, and budget-conscious travelers who know exactly how much data they need.

Singapore Network Overview: Why Coverage Isn’t an Issue

Singapore has three mobile carriers:

• Singtel — The largest, with the most extensive 5G rollout. Dominant choice for most eSIM providers.
• StarHub — Second-largest, excellent island-wide coverage. Powers Holafly’s Singapore plans.
• M1 — Smaller but equally reliable across the island.

The honest truth: Singapore is only 733 square kilometers. All three carriers deliver near-perfect coverage everywhere — MRT underground, Sentosa Island, even the hiking trails at MacRitchie Reservoir. You literally cannot make a bad network choice in Singapore.

5G in Singapore

Singapore is one of Asia’s 5G leaders. All three carriers offer 5G coverage across most of the island, with download speeds regularly hitting 200-500 Mbps in central areas. Most eSIM plans will default to 4G LTE (still delivering a reliable 30-100 Mbps), which is more than sufficient for any travel use case.

MRT and Underground Coverage

Singapore’s MRT system has full cellular coverage in all underground stations and tunnels. You can stream, browse, and navigate without interruption on your entire commute. This isn’t a given in many countries, so it’s worth noting.

How Much Data Do You Need in Singapore?

Singapore’s abundant free WiFi means you can get away with less data than you’d expect:

Traveler Type	Duration	Data Needed	Recommended Plan	Cost
Transit Passenger	4-12 hours	500 MB - 1 GB	aloSIM 1GB or Airalo 1GB	$3.50 - $4
Short-Stay Tourist	1-3 days	1 - 3 GB	Airalo 3GB or Saily 1GB	$4 - $8
Standard Tourist	4-7 days	3 - 5 GB	Airalo 5GB or Nomad 3GB	$8 - $12
Heavy User / Business	5-14 days	10GB+ or Unlimited	Singtel Tourist 30GB or Holafly	$9 - $25
Extended Stay (30+ days)	30+ days	50-100 GB	Singtel hi!Tourist local SIM	SGD $18-25

Pro tips:

• Wireless@SG (free public WiFi) is available at all MRT stations, many malls, and public buildings. Register once and auto-connect everywhere. It’s decent for basic browsing and messaging.
• Most hawker centres and food courts do not have reliable WiFi. If you need Grab (ride-hailing) or Google Maps during your food crawl, you’ll want mobile data.
• Changi Airport has excellent free WiFi throughout all terminals. For a layover, you might not need an eSIM at all if you stay in the airport.

Cross-Border Tip: Singapore + Malaysia

Taking a day trip to Johor Bahru (JB) is one of the most popular activities for visitors in Singapore. It’s just a bus ride across the Causeway, and everything from food to shopping is dramatically cheaper on the Malaysian side.

Your options for cross-border connectivity:

1. Southeast Asia regional plan. Nomad and Airalo both offer regional eSIM plans covering Singapore + Malaysia (and often Thailand, Indonesia, etc.). Prices start around $5-8 for 1-3GB. This is the simplest solution if you know you’ll cross the border.

2. Two separate eSIMs. Buy a cheap Singapore plan and a cheap Malaysia plan. Modern iPhones support multiple eSIMs, so you can switch with a few taps. This often costs the same as a regional plan but gives you more data per country.

3. Malaysia-focused plan with Singapore coverage. If you’re spending most of your time in Malaysia with just a day or two in Singapore, check our Malaysia eSIM guide for plans that include Singapore coverage.

Important: When you cross the Causeway, your eSIM won’t automatically switch to a Malaysian network unless you have a regional or Malaysia-compatible plan. You’ll lose data connectivity at the border. Plan accordingly.

How to Set Up Your eSIM for Singapore

1. Check compatibility. Most iPhones from XR onward and flagship Android phones from 2020+ support eSIM. Check our compatibility guide.
2. Purchase your plan. Buy through the provider’s app or website. You’ll receive a QR code.
3. Install the eSIM. Go to Settings > Cellular/Mobile > Add eSIM > Scan QR code.
4. Label your line. Name it something like “Singapore” so you can identify it easily.
5. Activate at the right time. Some plans start from installation, others from first data use. Check your provider’s policy — most Singapore plans from Airalo and Saily start on first use, so you can install before your flight.
6. Enable data roaming. Settings > Cellular > your eSIM line > Data Roaming ON. This is still the #1 reason people think their eSIM “doesn’t work.”

Read our complete eSIM activation guide

Singapore eSIM vs. Other Connectivity Options

Method	Cost (7 days)	Setup Time	Convenience	Best For
eSIM	$4 - $19	2 minutes	Very high	Most travelers
Singtel Tourist SIM (physical)	SGD $12-15	15-30 min (store visit)	Medium	Longer stays, need local number
Wireless@SG (free WiFi)	Free	5 min registration	Medium	Budget travelers, transit
Carrier roaming	$5-15/day	None	High	Short stays, money no object
Pocket WiFi rental	$5-8/day	15 min (pickup/return)	Low	Groups sharing one device

Best eSIM for Each Traveler Type

Traveler Type	Our Pick	Why
Changi layover (4-12 hrs)	aloSIM 1GB ($3.50) or just use airport WiFi	Micro-plan for quick connectivity, or free WiFi if staying in terminal
Weekend trip (1-3 days)	Airalo 1GB ($4)	Cheapest mainstream option, more than enough for a short trip
Standard tourist (5-7 days)	Airalo 3GB ($8) or Saily 3GB	Good balance of data and price
Business traveler	Singtel Tourist eSIM 30GB (SGD $12)	Direct carrier, generous data, includes some calls
Digital nomad	Singtel Tourist eSIM 100GB (SGD $30)	Best data-per-dollar for extended stays
Family trip	Airalo 5GB + hotspot	Share connection with family members
Singapore + Malaysia	Nomad SE Asia regional plan	One plan, both countries, no hassle

Frequently Asked Questions

Is Changi Airport WiFi good enough to skip buying an eSIM?

Yes, for layovers. Changi Airport offers free, fast WiFi throughout all terminals (including the Jewel). If your layover is 4-8 hours and you’re staying inside the airport, you honestly don’t need an eSIM. But the moment you step outside — to visit the city, take a taxi, or use Grab — you’ll want mobile data.

Can I use Grab (ride-hailing) in Singapore with an eSIM?

Yes. Grab works with any data connection. However, you’ll need a phone number for the initial Grab account registration (use your home number). Once registered, Grab works fine on eSIM data. Grab is essentially the Uber of Southeast Asia and is the easiest way to get around Singapore.

Does my Singapore eSIM work in Johor Bahru (Malaysia)?

No, unless you have a regional plan. A Singapore-only eSIM will lose data connectivity when you cross the border. If you’re planning a JB day trip, either buy a Southeast Asia regional plan or install a separate Malaysia eSIM before crossing. See our cross-border section above.

Is 1GB enough for Singapore?

For 1-3 days, probably yes. Singapore has such widespread free WiFi (Wireless@SG, hotel WiFi, mall WiFi) that your actual mobile data usage will be lower than in most countries. 1GB is enough for maps, messaging, ride-hailing, and basic social media over a long weekend. If you’re posting lots of photos/videos, step up to 3GB.

Should I get a local SIM card instead of an eSIM?

For stays under 2 weeks, eSIM wins on convenience. For stays of 30+ days, a local prepaid SIM (Singtel hi!Tourist or StarHub Tourist SIM) gives you much more data per dollar. The break-even point is roughly 2 weeks.

Can I use my eSIM on the MRT?

Yes, everywhere. Singapore’s MRT has full cellular coverage in all stations, tunnels, and above-ground sections. You’ll have seamless connectivity during your entire journey.

Why are Singapore eSIMs so cheap?

Singapore is a competitive market with excellent infrastructure. The small geographic size means carriers can deliver blanket coverage cost-effectively, and competition between Singtel, StarHub, and M1 keeps prices low. Some plans start as low as $3.50 — less than a cup of kopi from a cafe.

What about 5G — will my eSIM get 5G speeds?

Most eSIM plans connect you to 4G LTE, which delivers 30-100 Mbps — more than enough for any travel use case. Singtel’s own tourist eSIM may offer 5G access where available (mostly central business district, Orchard Road, and Marina Bay area). For practical purposes, the difference between 4G and 5G in Singapore won’t materially affect your travel experience.

---

Last updated: March 2026. Prices and plans change frequently — we recommend checking the provider’s website for the most current offerings.

Disclosure: eSIM.school may earn affiliate commissions from some links on this page. This does not influence our rankings or recommendations. We test and compare products independently.

---

新加坡旅游eSIM推荐2026：6大品牌对比（含中转攻略）

新加坡可能是全球上网最容易的国家——全岛4G/5G满格，地铁里都有信号，面积还没北京三环大。这种地方还需要eSIM攻略？

需要。因为游客还是在被坑。

我们对比了6个最适合新加坡的eSIM品牌，不管你是来旅游还是樟宜机场转机，都能找到最划算的方案。

快速推荐：Top 3 首选

推荐	品牌	推荐理由	价格
综合最佳	Airalo	最低$4起，套餐灵活，全球用户最多	$4起 / 1GB
转机首选	aloSIM	微型套餐适合短暂停留，不浪费	$3.50起 / 1GB
无限流量	Holafly	不限流量，重度用户无压力	$19起 / 5天

赶时间？ 新加坡网络太好了，随便选哪个eSIM都能用。短途旅行选Airalo，不到$5搞定。中转旅客选aloSIM的微型套餐。重度用户选Holafly无限流量，但要注意不支持热点。

为什么去新加坡还需要eSIM？

新加坡免费WiFi到处都是，7-Eleven也能买SIM卡，为什么还要用eSIM？

• 落地即上网。 飞机一落地打开手机就有网，不用在SIM卡柜台排队，不用找取卡针。
• 转机刚需。 每年数百万旅客在樟宜机场中转。4-8小时的转机，买张实体SIM卡太浪费，$3-4的eSIM即买即用。
• 省事。 新加坡很小，你可能只待1-3天就去马来西亚或泰国了。eSIM少一件事操心。
• 双卡方便。 保留国内号码接验证码，eSIM专门走数据，不用换卡。
• 新马跨境。 很多人新加坡+新山一起玩，部分eSIM品牌有东南亚区域套餐，一张卡两个国家都能用。

什么时候不需要eSIM

说句实话：

• Wireless@SG是新加坡政府免费WiFi，地铁站、商场、图书馆都有，速度还行。如果你不需要随时在线，可能够用了。
• 住30天以上，直接买本地预付费SIM卡（比如Singtel的hi!Tourist，$18-25新币/100GB），比任何eSIM都划算。
• 新加坡酒店WiFi普遍又快又免费。

但1-14天的行程，想要落地就有网、全程不断线？eSIM是最优解。

6大新加坡eSIM品牌对比表

品牌	价格区间	流量	有效期	接入网络	能开热点	评分
Airalo	$4 - $18	1GB - 10GB	7-30天	Singtel / StarHub	可以	4.1/5
Holafly	$19 - $69	无限*	5-30天	StarHub	不可以	4.2/5
Saily	$3.99 - $15.99	1GB - 10GB	7-30天	Singtel	可以	4.1/5
Nomad	$4 - $16	1GB - 10GB	7-30天	Singtel / StarHub	可以	4.0/5
Singtel游客eSIM	约$9 - $22	30GB - 100GB	7-28天	Singtel	可以	4.3/5
aloSIM	$3.50 - $14	1GB - 10GB	7-30天	StarHub	可以	3.9/5

*Holafly”无限流量”受公平使用政策限制，每天使用3-5GB后可能降速至1-5Mbps。

重点： 新加坡eSIM便宜得出乎意料，最低$3.50起——比大多数景点一瓶水还便宜。

品牌详细点评

1. Airalo —— 综合之选

Airalo是全球最大的eSIM平台，新加坡套餐是他们最便宜的市场之一。1GB只要$4，7天有效。App好用，安装两分钟搞定，接入Singtel或StarHub网络。

优点： 价格低、套餐灵活、全球用户多、支持热点、App内可充值 缺点： 客服是AI机器人（出问题时很崩溃）、没有无限流量选项

适合： 大多数旅行者。如果没有特殊需求，选Airalo不会出错。

查看Airalo完整评测

2. Holafly —— 流量自由

重度用户的选择。在滨海湾直播、刷一天社交媒体、晚上视频通话——Holafly无限流量让你不用算流量。5天$19起，StarHub网络。

优点： 无限流量无压力、有中文客服、按天选套餐简单 缺点： 每天超3-5GB后可能降速、不支持热点（带同伴的话是大问题）、在新加坡这种WiFi到处都有的地方，无限流量有点多余

适合： 独行重度用户。不适合需要分享网络的情况。

查看Holafly完整评测

3. Saily —— 隐私优先

NordVPN团队出品，1GB $3.99起，内置广告拦截，可选VPN保护。

优点： 价格有竞争力、广告拦截省流量、可选VPN、支持热点 缺点： 品牌较新、套餐选择不如Airalo多

适合： 注重隐私安全的旅行者，NordVPN老用户。

查看Saily完整评测

4. Nomad —— 常旅客之选

覆盖165+国家，有积分奖励系统。新加坡1GB约$4起。最大亮点是有东南亚区域套餐，一张卡覆盖新加坡+马来西亚+泰国。

适合： 经常出国的旅行者，特别是要去多个东南亚国家的。

5. Singtel游客eSIM —— 性价比最高

这是大多数评测网站不会提到的隐藏选项。Singtel（新加坡最大运营商）自己出的游客eSIM，大约**$9美元起/30GB/7天**，流量给到离谱。

优点： 流量巨大（30-100GB）、直连Singtel网络无中间商、含本地通话分钟数、可能有5G 缺点： 设置比第三方eSIM稍复杂、很短的停留（1-2天）不太值

适合： 住5天以上、需要大流量的旅行者，喜欢直接用本地运营商的人。

6. aloSIM —— 转机首选

樟宜机场转机，刷刷手机、查查航班、发发消息——aloSIM的微型套餐**$3.50起/1GB**，不浪费。

适合： 转机旅客、短暂停留、精确计算流量的用户。

新加坡网络全覆盖：选谁都不会错

新加坡三大运营商：

• Singtel —— 最大、5G部署最广
• StarHub —— 第二大，全岛覆盖优秀
• M1 —— 较小但同样可靠

说真的： 新加坡只有733平方公里，三家运营商信号无死角覆盖——地铁地下段、圣淘沙岛、麦里芝蓄水池徒步道都有信号。在新加坡，你不可能选错运营商。

你在新加坡需要多少流量？

旅客类型	停留时间	需要流量	推荐套餐	费用
转机旅客	4-12小时	500MB - 1GB	aloSIM 1GB 或 Airalo 1GB	$3.50 - $4
短途游客	1-3天	1-3 GB	Airalo 3GB 或 Saily 1GB	$4 - $8
标准游客	4-7天	3-5 GB	Airalo 5GB 或 Nomad 3GB	$8 - $12
重度用户/商务	5-14天	10GB+或无限	Singtel游客30GB 或 Holafly	$9 - $25
长期停留（30天+）	30天+	50-100GB	Singtel hi!Tourist本地SIM卡	约$18-25新币

省流量小技巧：

• Wireless@SG（免费WiFi）在所有地铁站、很多商场都有，注册一次自动连接，刷消息够用。
• 大多数小贩中心（hawker centre）WiFi不靠谱，叫Grab打车、看Google Maps导航需要自己的网络。
• 樟宜机场全航站楼有免费高速WiFi，转机不出机场的话，可能不需要买eSIM。

新马跨境攻略

从新加坡去新山（Johor Bahru）一日游是最热门的行程之一。过桥就到马来西亚，吃喝购物便宜一大截。

跨境上网方案：

1. 东南亚区域套餐。 Nomad和Airalo都有东南亚区域eSIM，覆盖新加坡+马来西亚，$5-8起/1-3GB。最省心。
2. 两张eSIM分开买。 新加坡一张、马来西亚一张，iPhone可以装多张eSIM，切换几下就行。费用差不多但每个国家流量更多。
3. 以马来西亚为主的套餐。 如果你大部分时间在马来西亚、只路过新加坡一两天，看我们的马来西亚eSIM指南。

注意： 过关时如果你用的是新加坡单国eSIM，到了马来西亚那边就没有数据了。提前准备好。

eSIM安装步骤

1. 确认手机支持eSIM。 iPhone XR以后、2020年后安卓旗舰基本都支持。查看兼容性检测工具
2. 购买套餐。 在品牌App或官网购买，获取QR码。
3. 安装eSIM。 设置 > 蜂窝网络 > 添加eSIM > 扫描QR码。
4. 标记线路。 给eSIM起名叫”新加坡”，方便识别。
5. 选对激活时机。 Airalo和Saily通常首次用数据才开始计时，可以提前装好。
6. 打开数据漫游。 设置 > 蜂窝网络 > 你的eSIM > 数据漫游 开启。这是”eSIM不好使”的头号原因！

查看完整的eSIM激活教程

常见问题

樟宜机场WiFi够用吗，还需要买eSIM吗？

不出机场的话，WiFi够了。 樟宜机场全航站楼（包括星耀樟宜）都有免费高速WiFi。如果你只是4-8小时转机且不出机场，真的可以不买eSIM。但一旦出了机场——打车、逛市区、用Grab叫车——就需要移动数据了。

在新加坡可以用Grab打车吗？

可以。 Grab用任何数据连接都能叫车。但注册Grab需要手机号（用你的国内号就行），注册好之后用eSIM数据正常使用。Grab是东南亚的”滴滴”，在新加坡最方便的出行方式。

新加坡eSIM去新山（马来西亚）能用吗？

不能，除非你买的是区域套餐。 新加坡单国eSIM过了边境就没信号了。如果要去新山一日游，买东南亚区域套餐或者再装一张马来西亚eSIM。

1GB够在新加坡用吗？

1-3天够了。 新加坡免费WiFi太多了（Wireless@SG、酒店WiFi、商场WiFi），你的实际移动数据用量会比大多数国家少。1GB够用于地图、打车、发消息和基本社交媒体。如果要大量发照片/视频，升到3GB。

要不要直接买本地SIM卡？

2周以内选eSIM更方便。 30天以上的话，本地预付费SIM卡（Singtel hi!Tourist，$18-25新币/100GB）性价比碾压所有eSIM。分水岭大约在2周左右。

地铁里eSIM有信号吗？

全程有。 新加坡地铁所有站台、隧道、地面段都有手机信号全覆盖。坐地铁全程不会断网。

新加坡eSIM怎么这么便宜？

新加坡是竞争激烈的市场，基础设施一流。国土面积小意味着运营商用很低的成本就能实现全覆盖，三家运营商之间的竞争压低了价格。最便宜的套餐$3.50——比咖啡店一杯kopi还便宜。

eSIM能用5G吗？

大多数eSIM接入4G LTE网络，速度30-100Mbps，旅行完全够用。Singtel自己的游客eSIM在部分区域可能有5G（主要在商业中心区、乌节路、滨海湾一带）。实际体验上，4G和5G在新加坡的差别对旅行者来说感知不大。

---

最后更新：2026年3月。价格和套餐随时可能变化，建议购买前到品牌官网确认最新信息。

声明：eSIM.school的部分链接可能包含联盟佣金。这不影响我们的排名和推荐。我们独立测试和对比产品。