Best eSIM for Singapore: 6 brands compared

Singapore · 5 GB · 30 daysSIN

Inbox eSIMLowest: $4.9030 days
eSIMPal: $8.9030 days
Nomad: $9.0030 days
Airalo: $10.0030 days

Rival prices read 22 Oct to 23 Oct 2026. Ours live.

Singapore eSIM prices

Tap a plan for its details, or tick two or three to compare. Inbox eSIM prices are live; the others were read on their own sites (Airalo 22 Oct 2026, Holafly 23 Oct 2026, Ubigi 23 Oct 2026, Nomad 23 Oct 2026, eSIMPal 23 Oct 2026) and may have changed.

How each one works

The price is half of it. Here is what you install, what you can share and what happens if plans change. Every feature, brand by brand, is on the one-brand pages.

How the Singapore eSIM brands work
Feature	Inbox eSIM	Airalo	Holafly	Ubigi	Nomad	eSIMPal
App or account	None: no app and no account	Account required: you sign up or log in before buying, on airalo.com or in the Airalo app.source	No app needed to buy: checkout on the website with an email; the app is optional (log in with that email).source	No app for a first website purchase. An account (app or ubigi.me) is needed to top up and manage.source	Account needed (the QR goes to your registered email); buy in the Nomad app or on the website.source	No app: everything runs in a web dashboard; an account is created for you at checkout.source
How you get it	QR code and a one-tap Add eSIM link by email, about a minute after paying	Install in the app, or use the QR code or manual details shown under My eSIMs in your account.source	QR code sent by email right after payment; also shown in your Holafly account and the app.source	Website orders: QR code by email (first purchase only). App orders: install from the app dashboard.source	QR code and manual details by email, plus one-tap install and instructions in the app.source	In the web dashboard right after checkout: a one-click install link, or a QR code to scan.source
Hotspot	Usually allowed; the local network can still limit it	Allowed when the device and network support it; on unlimited packs it counts toward the daily allowance.source	Limited per destination: for example 1 GB of shareable data per day in Japan (7 GB on a 7-day plan).source	Tethering is supported (setup steps given); unlimited plan pages say data sharing is allowed.source	Supported, though Nomad says stability depends on the device and local network.source	Allowed on all plans (stated on each country page, e.g. Italy).source
Top-ups	Yes, on the same eSIM, from the order page	Only on eSIMs marked rechargeable; optional Renewals buy the same pack again when 10% data is left.source	No top-ups: for more days you buy and install a new eSIM.source	Yes: recharge the same eSIM from your account; the profile is kept unless unused for 18 months.source	Add-ons on the same eSIM for many plans; not buyable while you are in China, the UAE or India.source	Yes: one eSIM is reused for every country, and data can be added even at 0 GB.source
Refunds	Unused and never installed: full refund to the card within 30 days	"Wrong purchase" or "plans changed": Airmoney credit only. Install or not-working issues: Airmoney or card.source	Not activated, within 6 months: full refund to the original payment method. Used: partial, USD 3.50 fee.source	Website eSIM: only if the QR code was never scanned, asked within 14 business days; to the original payment method.source	Not installed or not activated, within 30 days: to the card or as Nomad Points. Unlimited plans: no refund.source	Unused and not activated, within 30 days: full refund. Card or credit is not stated.source

App or account

Inbox eSIM: None: no app and no account
Airalo: Account required: you sign up or log in before buying, on airalo.com or in the Airalo app.
Holafly: No app needed to buy: checkout on the website with an email; the app is optional (log in with that email).
Ubigi: No app for a first website purchase. An account (app or ubigi.me) is needed to top up and manage.
Nomad: Account needed (the QR goes to your registered email); buy in the Nomad app or on the website.
eSIMPal: No app: everything runs in a web dashboard; an account is created for you at checkout.

How you get it

Inbox eSIM: QR code and a one-tap Add eSIM link by email, about a minute after paying
Airalo: Install in the app, or use the QR code or manual details shown under My eSIMs in your account.
Holafly: QR code sent by email right after payment; also shown in your Holafly account and the app.
Ubigi: Website orders: QR code by email (first purchase only). App orders: install from the app dashboard.
Nomad: QR code and manual details by email, plus one-tap install and instructions in the app.
eSIMPal: In the web dashboard right after checkout: a one-click install link, or a QR code to scan.

Hotspot

Inbox eSIM: Usually allowed; the local network can still limit it
Airalo: Allowed when the device and network support it; on unlimited packs it counts toward the daily allowance.
Holafly: Limited per destination: for example 1 GB of shareable data per day in Japan (7 GB on a 7-day plan).
Ubigi: Tethering is supported (setup steps given); unlimited plan pages say data sharing is allowed.
Nomad: Supported, though Nomad says stability depends on the device and local network.
eSIMPal: Allowed on all plans (stated on each country page, e.g. Italy).

Top-ups

Inbox eSIM: Yes, on the same eSIM, from the order page
Airalo: Only on eSIMs marked rechargeable; optional Renewals buy the same pack again when 10% data is left.
Holafly: No top-ups: for more days you buy and install a new eSIM.
Ubigi: Yes: recharge the same eSIM from your account; the profile is kept unless unused for 18 months.
Nomad: Add-ons on the same eSIM for many plans; not buyable while you are in China, the UAE or India.
eSIMPal: Yes: one eSIM is reused for every country, and data can be added even at 0 GB.

Refunds

Inbox eSIM: Unused and never installed: full refund to the card within 30 days
Airalo: "Wrong purchase" or "plans changed": Airmoney credit only. Install or not-working issues: Airmoney or card.
Holafly: Not activated, within 6 months: full refund to the original payment method. Used: partial, USD 3.50 fee.
Ubigi: Website eSIM: only if the QR code was never scanned, asked within 14 business days; to the original payment method.
Nomad: Not installed or not activated, within 30 days: to the card or as Nomad Points. Unlimited plans: no refund.
eSIMPal: Unused and not activated, within 30 days: full refund. Card or credit is not stated.

Which one to pick

Each of these is the better buy for someone. Ours included, honestly.

Inbox eSIM

Pick Inbox eSIM if

You want no app and no account: the QR and a one-tap install link come by email.
You want the lowest 5 GB price for a month here ($4.90 today).
You may cancel: unused and never installed, the money goes back to your card.

Singapore packs →

Airalo

Pick Airalo if

You want one app to buy, install, track and top up several eSIMs, with optional automatic renewals.
You need calls and texts: some Airalo packs (such as Discover+) include them; ours are data only.
You want to pay with PayPal or Alipay, or spend Airalo's Airmoney credit.

Holafly

Pick Holafly if

You stream or work heavily on your phone for a set number of days and do not want to track GB at all.
You book far ahead: an unactivated Holafly eSIM can be refunded up to 6 months after purchase (ours: 30 days).
You travel every month and want one subscription that renews, with a local number for incoming SMS.

Ubigi

Pick Ubigi if

You want data on a Windows laptop or tablet: Ubigi supports Windows 10 and 11 and ships inside some laptops.
You travel often and want a monthly or annual plan that renews on one long-lived eSIM.
You use a lot of data: its unlimited plans keep full speed up to 15 to 60 GB, then drop to 2 Mbps.

Nomad

Pick Nomad if

You need a local phone number in Thailand or a UK/Maldives calling plan, which Nomad sells.
You are new to eSIMs and want to try one first: Nomad offers new users a free 1 GB trial eSIM.
You travel often and want the Nomad Pass: one eSIM, 1 GB backup data each cycle and 15% off add-ons.

eSIMPal

Pick eSIMPal if

You hop through many countries and want to add each country's data to one eSIM installed once.
You buy for a family or team and want every eSIM in one web dashboard.
You need a bigger pack than 50 GB or a longer one: eSIMPal lists up to 100 GB valid 120 days.

Other ways online in Singapore

A week on home roaming

Inbox eSIM 5 GB: $4.90
AT&T International Day Pass: $84.00
Verizon TravelPass: $84.00
T-Mobile International Pass, 1 day: $70.00

US carriers’ day passes × 7. Verizon · AT&T · T-Mobile · UK · Canada · Australia

Local SIM or pocket Wi-Fi

Singtel hi! Tourist
500 GB in Singapore and nearby, plus 18 GB in Asia, for 30 days · Changi Airport counters or eSIM: S$15 (about $11.70)

From each operator’s own page. A local SIM is often cheaper per GB; it means a counter, a passport check and a SIM swap.

Questions

What is the cheapest eSIM for Singapore?

For 5 GB lasting at least 30 days, Inbox eSIM $4.90, eSIMPal $8.90, Nomad $9.00, Airalo $10.00 (prices read 22 Oct to 23 Oct 2026; ours are live). For a light week, 1 GB starts at $2.90 with Inbox eSIM.

Is there an unlimited eSIM for Singapore?

Yes. For 7 days: Ubigi $19.00 (unlimited, 20 gb at full speed, then 2 mbps); Inbox eSIM $21.90 (3 gb a day at full speed, then 1 mbps); Airalo $27.00 (unlimited with a daily high-speed allowance); Nomad $27.00 (2gb/day at 4g/5g. 1 mbps after 2gb); Holafly $27.50 (unlimited, hotspot 1 gb a day). Most cut the speed after a daily allowance, so read each one's cap.

Do I need an app for a Singapore eSIM?

Inbox eSIM: none: no app and no account. Airalo: Account required: you sign up or log in before buying, on airalo.com or in the Airalo app.. Holafly: No app needed to buy: checkout on the website with an email; the app is optional (log in with that email).. Ubigi: No app for a first website purchase. An account (app or ubigi.me) is needed to top up and manage.. Nomad: Account needed (the QR goes to your registered email); buy in the Nomad app or on the website.. eSIMPal: No app: everything runs in a web dashboard; an account is created for you at checkout..

Which network does a travel eSIM use in Singapore?

Our Singapore packs connect to M1, SingTel. Other brands may use different local networks; each brand's page lists its own.

Is an eSIM cheaper than roaming in Singapore?

Usually, for anything longer than a day or two. A week on AT&T ($12.00 a day) or Verizon ($12.00 a day) or T-Mobile ($10.00 a day) costs $84.00; 5 GB with Inbox eSIM costs $4.90 and your number stays on your main SIM.

Singapore · 5 GB for 30 days · $4.90No app, no account. QR by email; unused and not installed, refund to the card.

See every pack →

Best eSIM for Singapore, compared