ZenSim - Aussies' easy-peasy mobile provider

Data only eSIMs

Travel eSIM Asia

One eSIM, , and absolutely no need to beg for café WiFi passwords.

4.9

(401)

Travel eSIMs - ZenSim
Tick

Set up in a few minutes

Tick

Unlimited hotspotting

Tick

Add more data with top ups

Tick

Install before travel

Tick

Plans & prices

Asia plans

5 days
15 days
30 days
5GB DATA ONLY

$29 AUD

30 days
Calendar
15 countries
Globe
Top ups available
Top ups available
Data-only (no phone number)
Signal bars
10GB DATA ONLY

$45 AUD

30 days
Calendar
15 countries
Globe
Top ups available
Top ups available
Data-only (no phone number)
Signal bars
Popular plan
20GB DATA ONLY

$55 AUD

30 days
Calendar
15 countries
Globe
Top ups available
Top ups available
Data-only (no phone number)
Signal bars
Popular plan
40GB DATA ONLY

$97 AUD

30 days
Calendar
15 countries
Globe
Top ups available
Top ups available
Data-only (no phone number)
Signal bars
UNLIMITED DATA

$109 AUD

$3.63/day

30 days
Calendar
15 countries
Globe
Top ups available
Top ups available
Data-only (no phone number)
Signal bars
*After 3GB/day speed
limited to 1 Mbps
All pricing is in
Tick

Set up in a few minutes

Tick

Unlimited hotspotting

Tick

Add more data with top ups

Tick

Install before travel

Tick

15 countries included

ZenSim ReviewsZenSim ReviewsZenSim ReviewsZenSim ReviewsZenSim Reviews
Have tried a few eSims for Indonesia. The ZenSim is the best one I have found. Coverage is great. Great bang for buck!!
ZenSim ReviewsZenSim ReviewsZenSim ReviewsZenSim ReviewsZenSim Reviews
Zen eSIM was fantastic for my Asian holiday. Went to Thailand, Malaysia, Singapore, Sri Lanka and India and I had zero trouble. Highly recommend!…
ZenSim ReviewsZenSim ReviewsZenSim ReviewsZenSim ReviewsZenSim Reviews
First time user of travel esim and extremely satisfied with this service, customer care outstanding and great coverage whilst island hopping in the…
Product Review by French doors
ZenSim ReviewsZenSim ReviewsZenSim ReviewsZenSim ReviewsZenSim Reviews
I bought Asia+ Unlimited STANDARD - 30 Days. It is amazing, like i was using international roaming but without paying extra. especially when I visit…
Product Review by Pure M
ZenSim ReviewsZenSim ReviewsZenSim ReviewsZenSim ReviewsZenSim Reviews
Having the esim all ready for when we landed in Japan was great. I was able to message my family straight away to let them know we'd arrived safely. …
Product Review by Kirsty O.
ZenSim ReviewsZenSim ReviewsZenSim ReviewsZenSim ReviewsZenSim Reviews
I used ZenSim for a recent trip to Bali. The whole process was so easy. I installed in my phone before we left Oz and simply followed the steps for…
ZenSim ReviewsZenSim ReviewsZenSim ReviewsZenSim ReviewsZenSim Reviews
Used ZenSim in Japan in Tokyo, Osaka and on the Kumano Kodo trail. Coverage was great even in the remote locations. Was very happy with download…
Product Review by Pointy
ZenSim ReviewsZenSim ReviewsZenSim ReviewsZenSim ReviewsZenSim Reviews
Connection occurred as soon as plane landed. Very realiable coverage from STH Korea to Japan. A Fantastic Experience with Zensim I am very happy…
ZenSim ReviewsZenSim ReviewsZenSim ReviewsZenSim ReviewsZenSim Reviews
Firstly, instant responses to my dumb tech questions from Andy via Whatsapp, which was impressive. Answered all my questions and reassured me…
Product Review by Jason E
ZenSim ReviewsZenSim ReviewsZenSim ReviewsZenSim ReviewsZenSim Reviews
First time user in Sep/Oct'25 of eSim for data roaming and very happy with ZenSim's offerings. Very easy to set-up prior to travel and activated…
Product Review by Mike B.

Say whaaaaat

All pros, no cons

100% money back guarantee

100% money back guarantee

Plans changed, device incompatible or locked, can't get it working, we've got you covered - see our .

Data-only eSIM - no phone number

Data-only eSIM - no phone number

Use internet based apps like WhatsApp and Messenger as normal. Note: you can't make traditional calls or SMS (yet).

Reliable 4G/5G connection

Reliable 4G/5G connection

Powered by the best networks in Asia, with solid coverage across each country so you're never left hunting for signal.

Multiple data options

Multiple data options

We have plans for 5, 15 or 30 days starting at only 1GB right up to unlimited for most destinations.

Unlimited hotspotting (tethering)

Unlimited hotspotting (tethering)

Hotspot to your laptop, tablet, to your friends, to whoever with our limitless hotspotting.

Auto-activates on arrival

Auto-activates on arrival

Automatically activates when you arrive in Asia. Just update settings (we'll send instructions), and you're connected.

Install up to 90 days before travel

Install up to 90 days before travel

Install your Asia eSIM anytime within 90 days before you travel, the plan won't start until you arrive in Asia.

Keep your current number

Keep your current number

You can have multiple eSIMs installed and switch them on and off as you like.

How to use travel esims

How it works

If you haven't used a travel eSIM before, you're in for a treat. It only takes a few minutes to setup and it's a fraction of the cost of roaming! See WTF is eSIM.

1. Quick phone check

1. Quick phone check

Let's make sure your phone's on board. Our eSIM compatibility checker has all of the answers.

2. Choose a plan, enter your details

2. Choose a plan, enter your details

Choose a plan for your destination, enter your details and your payment information.

3. Install your new eSIM

3. Install your new eSIM

Install your eSIM on the ZenSim app or scan the QR code we email to you.

4. Auto-activated on arrival

4. Auto-activated on arrival

Update settings on arrival (we'll email these to you) and boom, you're connected. Check your usage in the ZenSim app.

The nitty gritty

Asia eSIM FAQs

Does the Asia eSIM include a VPN for China?
Will I be able to access Google and social media using this Asia eSIM in China?
Is voice calling available on the Asia travel eSIM?
Can I set up my Asia eSIM now and let it go live when I land?
Am I given a phone number with the Asia travel eSIM?
How to ensure my eSIM activates in Asia?
What triggers activation of my Asia travel eSIM?
Is a travel eSIM really better than roaming in Asia?
Will my Asia eSIM start using data as soon as I install it?
Does ZenSim offer eSIM service for Asia?
Can’t get my Asia travel eSIM to work
Do regional eSIMs like Asia cover more than one country?
Can my Asia eSIM be extended or upgraded?
Can I refer my friends or family to purchase a Asia eSIM?
What happens when I hit my daily data limit in Asia?
What's the start and expiry date for my Asia eSIM?
Will my phone support an eSIM in Asia?
What's your refund policy if my Asia eSIM doesn't work out?

Why the ZenSim Travel eSIM for Asia

Fast Asia eSIM installation via QR code or one-click app setup

Getting set up for your Asia trip shouldn't mean queuing at an airport counter after a long flight. Installing your ZenSim Asia eSIM takes just a couple of minutes - scan the QR code we send you, or install it with a single tap straight from the ZenSim app, no fiddly setup required. It's worth knowing that installing isn't the same as activating - your eSIM sits ready and waiting once installed, then auto-activates the moment you land in your first destination, so there's no risk in getting it sorted well before you fly.

One Asia eSIM, works in 15 countries across the region

Your ZenSim Asia eSIM covers 15 destinations on a single plan - Bangladesh, China (plus VPN access), Hong Kong, India, Indonesia, Japan, Malaysia, Pakistan, the Philippines, Singapore, South Korea, Sri Lanka, Taiwan, Thailand and Vietnam. The best part is switching between them takes zero effort on your part - there's no manual switching, no new settings to configure, no second eSIM to install. Land in a new country on that list and your eSIM automatically connects to the strongest local network available, so whether you're hopping from Tokyo to Seoul or working your way down through Southeast Asia, you're covered every step of the way.

Asia eSIM plans from A$7 with unlimited data options

Not every trip needs the same amount of data, so ZenSim's Asia eSIM plans are priced to match how people actually travel. Plans start from just A$7 ($5 USD) for travellers who mainly rely on hotel or cafe WiFi, right up to unlimited data for those who want to stream, navigate and post without a second thought. Whether you're island hopping for a couple of weeks or backpacking across the region for months, there's a plan sized to fit your trip.

No roaming fees or physical SIM swap needed across Asia

Roaming charges from your home provider can turn a great trip into an expensive one fast, especially when you're crossing multiple countries and racking up fees in each one. Swapping in a physical SIM at every border isn't much better - digging through your phone's SIM tray, hoping the local shop has stock, and doing it all again at the next country. A ZenSim Asia eSIM sidesteps all of that. No roaming bill shock, no fiddly SIM swaps at every border, and nothing to lose track of - just install once and you're set for the whole trip, wherever it takes you across the region.

Check eSIM compatibility before you buy your Asia eSIM

Before grabbing any eSIM for Asia, it's worth confirming your phone actually supports the technology - most phones from the last few years do, but not every device or region-locked model will. Run yours through ZenSim's eSIM compatibility checker and you'll have an answer in seconds. If it turns out your phone isn't compatible after buying, our refund policy has you covered, so there's no risk in giving it a go.

Asia eSIM data plans - data only, no phone number included

Like most travel eSIMs, ZenSim's Asia eSIM is data-only, meaning it doesn't come with a local phone number or support traditional calls or SMS. For the vast majority of travellers this isn't an issue at all - WhatsApp, iMessage, and other internet-based apps handle calls and messages over data without a hitch, wherever you are across the region. Worth knowing upfront so there are no surprises once you land.

The best eSIM for Asia travel

Picking the best eSIM for Asia really comes down to coverage, price and how easy it is to move between countries without extra hassle - and ZenSim delivers on all three. One eSIM, 15 countries, plans from A$7, and zero manual switching required as you cross borders. For a full breakdown against other providers, check out our Best eSIM Asia guide.

Top 5 Things to Do in Asia

1. Visit the Great Wall of China, China

ZenSim

The Great Wall of China is one of the world's most iconic landmarks and a testament to ancient engineering. Stretching over 21,000 kilometres across mountains, deserts and grasslands, it was built and rebuilt over centuries by successive dynasties to defend against northern invasions, and today stands as one of the most recognisable structures ever constructed by human hands.

Popular sections like Mutianyu and Badaling are easily accessible from Beijing and offer restored paths for hiking, cable cars for those who'd rather skip the climb, and some of the best-preserved watchtowers along the entire wall. For a quieter, more rugged experience, sections like Jinshanling or Simatai see far fewer crowds and let the wall's crumbling, wilder stretches speak for themselves.

Walking along the top of the wall, you'll pass watchtower after watchtower while mountain ridgelines roll out in every direction, and it's genuinely hard not to feel the scale of what was built here. Visit in spring or autumn if you can - summer brings crowds and heat, while these shoulder seasons offer clearer skies and far more comfortable hiking conditions.

2. Explore the Temples of Kyoto, Japan

ZenSim

Kyoto served as Japan's imperial capital for over a thousand years, and few places anywhere concentrate as much historic architecture, garden design and quiet ceremony into one city. The Golden Pavilion, known as Kinkaku-ji, is often the first stop for visitors - its top two floors covered in gold leaf and perfectly reflected in the pond before it, making it one of the most photographed buildings in Japan.

Just as unforgettable is the Fushimi Inari Shrine, famous for its thousands of vermilion torii gates winding up the mountainside in a tunnel-like path - allow a couple of hours if you want to walk the full route to the summit rather than just the popular lower stretch. For something quieter, the Arashiyama Bamboo Grove offers a genuinely peaceful escape, especially early in the morning before the crowds arrive.

Beyond the headline sights, Kyoto rewards slower exploration too - traditional tea houses, the historic geisha district of Gion, and quiet residential lanes where locals still go about daily life much as they have for generations. Few cities capture the depth of a country's history quite the way Kyoto does.

3. Experience Halong Bay, Vietnam

ZenSim

Halong Bay, a UNESCO World Heritage site, is renowned for its emerald waters and thousands of limestone karsts and islets rising dramatically from the sea. A cruise through the bay is the classic way to experience it, with most trips offering kayaking through hidden lagoons, visits to floating fishing villages, and stops at caves like Sung Sot - known as Surprise Cave for the size of its cavernous interior chambers.

Overnight cruises are especially worthwhile if you have the time, since they let you experience the bay at both sunrise and sunset, when the limestone karsts take on a soft golden or pink glow and the whole seascape feels almost otherworldly. Early morning also tends to bring calmer waters and thinner mist, ideal conditions for photography or simply sitting on deck taking it all in.

For a different pace, Lan Ha Bay sits just south of Halong and offers similarly dramatic scenery with noticeably fewer boats, making it a popular alternative for travellers who want the same iconic limestone landscape with a bit more room to breathe.

4. Wander the Palaces and Markets of Seoul, South Korea

ZenSim

Seoul blends centuries-old royal history with some of the most energetic street life in Asia, often within a few minutes' walk of each other. Gyeongbokgung Palace, the largest of the city's five grand palaces, is the obvious starting point - its sweeping courtyards and mountain backdrop make it a striking sight, especially during the changing of the royal guard ceremony held several times a day.

Just nearby, the Bukchon Hanok Village preserves narrow lanes of traditional hanok houses, many still lived in today, offering a quieter contrast to the palace crowds. From there it's a short trip to Myeongdong or Hongdae for an entirely different side of Seoul - vibrant shopping streets, street food stalls serving everything from tteokbokki to Korean fried chicken, and a nightlife scene that runs well into the early hours.

Seoul's efficient subway system makes it easy to string all of this together in a single day, and the contrast between the palace's stillness and the market streets' energy is a big part of what makes the city so memorable.

5. Explore the Temples and Islands of Krabi, Thailand

ZenSim

Krabi, on Thailand's southwestern coast, packs an extraordinary amount of scenery into a relatively small stretch of coastline - dramatic limestone cliffs, turquoise water, and jungle-covered islands scattered just offshore. Railay Beach, only reachable by boat due to the cliffs surrounding it, is the region's standout spot, drawing rock climbers to its towering limestone walls and beachgoers to its calm, sheltered bays in equal measure.

A longtail boat trip out to the Phi Phi Islands is one of the most popular day trips from Krabi, taking in Maya Bay's dramatic cliff-ringed cove and excellent snorkelling spots along the way. Closer to shore, the Phra Nang Cave Beach and the Emerald Pool inland offer a quieter, more contemplative side of the region, with jungle trails leading to hidden freshwater pools tucked away from the coast.

Krabi Town itself makes a relaxed base for exploring, with a lively night market serving up some of southern Thailand's best street food, and it's an easy jumping-off point for day trips to nearby islands like Koh Lanta or the more remote Trang archipelago further south.

ZenSim - find prepaid esim plans here