Best eSIM for Asia: How to Choose the Right Plan (Guide for Australian Travellers)
The best eSIM for Asia depends on which countries you visit, how much data you use, and whether you need anything beyond internet access. This guide compares regional Asia plans from Airalo, Nomad, Holafly and SimCorner using their official pages, explains what to check before you buy, and covers when a local option such as BaliSIM makes more sense for Bali and Indonesia. It is written for travellers from Australia, so SimCorner's Australian-dollar prices are shown as listed.
Updated October 2026. Prices are in the currency each provider's page showed (USD unless marked AUD) and change often. Currencies are not converted.
How Does an eSIM for Asia Work?
What Is eSIM Technology?
An eSIM is a digital SIM profile that you download to a compatible phone instead of inserting a plastic card. The GSMA describes it as a way to securely download SIM credentials into a secure element in the device (GSMA eSIM whitepaper). In practice, you buy a plan, install it with a QR code or an app, and choose it for mobile data when you arrive.
Benefits of Using an eSIM in Asia
The main benefit for an eSIM for Asia travel plan is not having to swap SIMs at every border. Airalo, for example, says its Asia eSIM keeps you connected as you move between 18 countries without swapping. You can also buy before you leave, so there is no airport kiosk queue, and keep your home number active if your phone supports dual SIM. Apple notes that supported iPhones can keep more than one eSIM active, so a home line and a travel data plan can run together (Apple Support).
An eSIM is also an alternative to your Australian carrier's international roaming pass. Compare the total cost of both for your trip length before you decide.
Best eSIM Options for Asia: How They Compare
Searches for esims for Asia return many providers, and their regional plans differ most in three places: which countries they cover, how "unlimited" is defined, and what happens at the end of the plan. The table sets out what four providers' official Asia pages list, plus BaliSIM's Indonesia-only plans for readers heading to Bali. "Not confirmed" means the page checked did not state the detail.
| Provider | Countries covered | Plans checked | Local phone number | Hotspot | Validity and top-ups | Best suited for |
|---|---|---|---|---|---|---|
| Airalo – Asia | 18 countries | Unlimited: 3 days $11.50, 7 days $26, 15 days $49, 30 days $73.50 (USD). Fixed-data Asia plans not captured. | Not confirmed | Not confirmed | Top-ups and renewals offered "when available" | Travellers who want a large marketplace and 24/7 support |
| Nomad – Asia Pacific | 14-country plan (includes Indonesia, Thailand, Vietnam, Australia, NZ) and a 21-country plan | 1 GB/7 days $4; 3 GB/30 days $9; 5 GB/30 days $14; 10 GB/30 days $21; 50 GB/45 days $51; unlimited 5 days $18 and 10 days $29 (USD) | Depends on plan ("some" include a local number) | Yes | Starts on connecting; activates automatically 60 days after purchase; add-ons on some plans | Fixed-data 30-day plans for East and Southeast Asia |
| Holafly – Asia | 16 countries, including Indonesia, Thailand, Vietnam, Cambodia and Laos | Unlimited: 3 days $11.90, 7 days $27.50, 15 days $51.50, 30 days $76.50 (USD) | No (data-only) | 1 GB of shareable data per day | Starts on connecting; no reinstall once installed; refund policy up to 6 months | Phone-only heavy use without counting GB |
| SimCorner – Asia | About 26 to 27 countries (the page gives both figures) | Fixed: 3 GB/30 days A$13; 10 GB/30 days A$34; 20 GB/30 days A$55; 50 GB/45 days A$85. Unlimited: 5 days A$25; 16 days A$69; 30 days A$101 (AUD) | No (data-only) | Full sharing on fixed plans; unlimited plans use the daily high-speed allowance | Starts on connecting; unactivated eSIMs do not expire; top-ups depend on product | Australian-dollar pricing and a wide country list |
| BaliSIM (Indonesia only) | Indonesia only | XL: 18 to 403 GB from $13.14; Telkomsel Bali: 13 to 83 GB from $14.56; Telkomsel nationwide: 38 or 103 GB from $27.96 (USD) | Yes, +62 on activation | Included | Data 28 to 30 days; XL IMEI active up to 90 days; top-ups differ by product | Bali or Indonesia trips that need a +62 number |
Airalo eSIM for Asia
Airalo is the best known of the marketplace brands, and its Asia page covers 18 countries. For searches like "airalo esim for asia", the plans the page showed were unlimited ones, from US$11.50 for 3 days up to US$73.50 for 30 days. Airalo states that it offers 24/7, multi-language support, including WhatsApp chat, and that top-up packages are available in many cases. Its country list and fixed-data options were not visible in the page text we checked, so open the Asia page and confirm that every country on your route is included.
Other Leading eSIM Providers
Nomad sells fixed-data plans that suit 30-day trips, such as 10 GB for 30 days at US$21. Its 14-country APAC list includes Indonesia, Thailand and Vietnam but not Cambodia or Laos, and the 21-country plan's list was not checked. It also lists Australia and New Zealand, which a traveller from Australia may not need. For people searching "esim apac", that is worth knowing: the name covers the region, not necessarily your route.
Holafly is built around unlimited data. Its Asia page lists 16 countries, including Cambodia and Laos, and it is clear that the eSIM is data-only with no local number. Shareable hotspot data is limited to 1 GB per day, which matters if you tether a laptop.
SimCorner lists the widest set of countries of the four, including India, Sri Lanka, Nepal and the UAE, and shows Australian-dollar prices. It is explicit about its unlimited rule: 3 GB of high-speed data per day, then 128 kbps, resetting every 24 hours. It also says its Asia eSIM is data-only.
How to Read Ratings and Reviews
Provider pages display review scores, but those are chosen and presented by the provider and change over time. Check recent reviews on independent sites and app stores, look for comments about your destinations and your phone, and pay attention to how problems were handled rather than to the headline score.
Best eSIM for Asia Travel: What to Check Before You Buy
Tips for Choosing the Right eSIM
Match the countries. Regional plans cover specific lists. The lists above range from 14 to roughly 27 countries, so a plan that suits Thailand, Vietnam and Indonesia may not cover Cambodia, Laos or India. Check stopovers too.
Read the unlimited rules. Unlimited rarely means unrestricted. Holafly caps shareable data at 1 GB per day, and SimCorner reduces speed after 3 GB per day. If you only need maps, messaging and light browsing, a fixed plan such as a 10 GB or 20 GB 30-day option may suit you better, and your own phone usage will tell you more than any estimate.
Check when validity starts. SimCorner says validity begins when the eSIM connects to a supported network and that unactivated eSIMs do not expire. Nomad says a plan starts on connecting and activates automatically 60 days after purchase if unused. Holafly says its plan activates on connecting to a supported network. Confirm the rule for your plan.
Plan for phone changes. Holafly and SimCorner both say a travel eSIM cannot be transferred or reinstalled once installed, and Airalo's help center says its eSIMs can only be installed on one device. Contact your provider before deleting an eSIM or switching phones.
Check Compatibility with Your Device
Your phone must support eSIM and be carrier-unlocked to install a plan from another provider. SimCorner notes that iPhones sold in mainland China, Hong Kong and Macau do not have an eSIM chip, which can affect travellers who bought a phone there. Check your phone against each provider's compatibility list and, for BaliSIM, its supported phones list.
Choosing the Best eSIM for Asia from Australia
For the best eSIM for Asia from Australia, start with your route, then your data habits, then price. If you will cross several borders, a regional plan avoids repeated installs. If you will stay in one country, a country-specific eSIM can be simpler. Keep your Australian SIM in the phone for calls and bank texts if your phone supports dual SIM, and turn off data roaming on that line unless you have a roaming plan. Currency also matters: SimCorner shows Australian dollars, while Airalo, Nomad and Holafly showed US dollars on the pages checked, so convert before comparing.
Best eSIM for South East Asia
The best eSIM for South East Asia is the one whose country list matches your route. Holafly, Nomad and SimCorner all list Indonesia, Thailand and Vietnam on their regional plans, while Airalo's Asia country list was not visible in the page text checked. For a trip that covers only one or two of these countries, compare a regional plan with a country-specific eSIM for the same destination.
Popular Destinations and Plan Choices
Indonesia and Bali: When a Local eSIM Makes Sense
A regional Asia eSIM can cover Bali for data, but it is usually data-only. Holafly and SimCorner say their Asia eSIMs include no local number, and Nomad says only some of its eSIMs do. If you want an Indonesian +62 number, for calls with drivers or hotels, local verification codes or ride-hailing apps, a local eSIM is a different product.
BaliSIM's eSIM XL – Bali Visitor and eSIM Telkomsel – Bali Visitor each state that you receive a +62 number upon activation. The XL plans list data from 18 GB to 403 GB with 30 days of data validity, and the Telkomsel Bali plans list 13 GB to 83 GB with 28 days of data on the 20 GB and larger plans. BaliSIM also lists a nationwide Telkomsel plan for trips beyond Bali.
The trade-off is registration. BaliSIM asks for a passport photo and an image of your phone's IMEI, and the XL and nationwide plans also ask for a selfie. These eSIMs are tied to one device. If you only need data in Bali, a regional eSIM may be simpler. If you want to see the local options, check BaliSIM's current Indonesia eSIM plans.
Frequently Asked Questions
What is the best eSIM for Asia from Australia?
It depends on your route and data use. Compare the countries each regional plan covers, the validity rules and hotspot limits, and whether you need a local number. Airalo, Nomad, Holafly and SimCorner all list Asia plans, but their country lists and 30-day options differ. Check your itinerary against each plan's current country list before buying.
Does an Asia eSIM cover every Asian country?
No. Regional plans cover specific lists: Nomad's 14-country plan, Holafly's 16 countries, Airalo's 18 countries and SimCorner's roughly 26 to 27 countries are examples. Cambodia, Laos, India or Sri Lanka may be on one plan and not another. Check every country on your route, including stopovers, before you buy.
Do Asia eSIMs include a phone number?
Usually not. Holafly and SimCorner say their Asia eSIMs are data-only, Nomad says only some of its eSIMs include a local number, and Airalo's Asia page did not make this clear. If you need a local number in a specific country, look for a country-specific local eSIM and check its registration requirements.
Is unlimited data worth it for Asia?
Only if you will use a lot of data. Unlimited plans carry rules: Holafly caps shareable hotspot data at 1 GB per day, and SimCorner's unlimited plan gives 3 GB of high-speed data daily before dropping to 128 kbps. Fixed 30-day plans may suit lighter use such as maps, messaging and browsing.
When does an Asia eSIM's validity start?
It varies. SimCorner says validity starts when the eSIM connects to a supported local network and that unactivated eSIMs do not expire. Nomad says a plan starts on connecting and activates automatically 60 days after purchase if unused. Holafly says its plan activates on connecting to a supported network. Check your provider's rules.
Can I move an Asia eSIM to a new phone?
Often not. Holafly and SimCorner both say a travel eSIM cannot be transferred or reinstalled once installed, and Airalo's help center says its eSIMs can only be installed on one device. Contact your provider before deleting an eSIM or changing phones, and check its device-change policy first.
Do I need a separate eSIM for Bali?
Not necessarily. Nomad's APAC, Holafly's Asia and SimCorner's Asia plans list Indonesia, so a regional eSIM can cover Bali for data. If you need an Indonesian +62 number, a local eSIM such as BaliSIM's Bali Visitor plans includes one after registration with a passport and IMEI. Decide whether you need only internet or a number.
Conclusion
Summary of Benefits
An eSIM for Asia saves you from swapping SIMs across borders, can be bought and installed before you leave, and lets you keep your home line for calls if your phone supports dual SIM. The details that decide whether it works for you are the country list, the data and validity rules, hotspot limits and whether the plan includes a number.
Final Recommendations
Write down your route and your likely data use, then check each plan's country list and rules against them. Choose a fixed 30-day plan for lighter use, an unlimited plan only if its caps suit how you work, and a regional plan for multi-country trips. If your trip includes Bali or Indonesia and you need a +62 number, compare a local option such as BaliSIM's against a regional data plan.
Check network, data, validity and call minutes, then confirm the details on the product page.
