
Sophie Callahan
HelloRoam is a global eSIM provider offering instant mobile data in 185+ countries. Buy prepaid travel eSIM plans with no extra fees, no contracts, and instant activation on any eSIM-compatible device.

Get your travel eSIM or e-sim card before you fly. Buy online, scan a QR code, and connect the moment you land. No roaming fees. Data in 185+ countries across 204+ carrier networks. 31+ currencies, 63 languages. Plans from A$1.43. 180-day money-back guarantee.
HelloRoam is a prepaid eSIM platform that gives travellers instant mobile data in 185+ countries. Buy a travel e SIM plan online, scan a QR code, and connect to local carrier networks on arrival. Skip Telstra's $10/day International Day Pass and Optus's $5/day Travel Pass. Plans start from A$1.43 with no roaming fees, no contracts, and no drama. Every e-sim profile meets GSMA SGP.22 security standards and comes with a 180-day money-back guarantee and 24/7 support. Works on all eSIM compatible iPhones, Samsung Galaxy, and Google Pixel devices.
What is an eSIM? An eSIM card is a digital SIM built right into your phone. No physical chip needed. Scan a QR code to activate your plan and you're connected wherever you land. Step-by-step guide
Unlimited data
Up to 5G support
Data sharing

An eSIM vs a physical travel SIM card: an eSIM is a digital profile stored inside your phone, while a physical SIM is a removable chip you slot in by hand. eSIM compatible phones like iPhone XS and Samsung Galaxy S20 let you switch international data plans in seconds without opening a SIM tray. No queuing at Bali or Tokyo airports, no hunting for a kiosk. Prepaid travel data from A$1.43 replaces the hassle of a physical SIM card. That's why savvy travellers heading overseas pick an e-sim for mobile data abroad. All three spellings cover the same technology: eSIM, e SIM, e-sim. HelloRoam covers 185+ countries worldwide.
Set up your eSIM card once and stay connected in 185+ countries with one global plan.
Your plan activates automatically when you land. No setup fuss, no stress, all sorted.
View installation guideeSIM plans for 185+ countries. Install once, go anywhere.
Unlimited data plans so you never run short mid-trip.

Fixed Data
Unlimited Data
Thousands of travellers use HelloRoam eSIM cards for reliable mobile data abroad in 185+ countries, from Bali and Tokyo to London and Fiji. Our prepaid travel data plans beat Telstra and Optus international roaming on price. International eSIM, international data plan options, no contracts, and real 24/7 support for travellers wherever they roam.
An eSIM works by downloading a carrier data profile to the chip built into your phone, no plastic card required. HelloRoam sends a QR code to your email. Scan it before you fly, and your mobile connects to a local network the moment you land in Bali, Tokyo, or Bangkok. Setup takes under five minutes.
An eSIM is one of the most practical options for overseas travel because you activate a local data plan before you board. No Telstra $10/day International Day Pass, no Optus $5/day Travel Pass, no airport SIM kiosk queues. HelloRoam travel plans start from A$1.43 and cover 185+ countries with a 180-day money-back guarantee.
An eSIM card is the embedded chip inside compatible smartphones and tablets that stores your carrier profile digitally. Unlike a physical SIM you slot in by hand, an eSIM card holds multiple profiles at once. Switch between your home Telstra or Optus plan and a travel data plan without touching a SIM tray.
The main disadvantage of an eSIM is device compatibility. Older mobiles and some budget Android models still require a physical SIM card. Once an eSIM profile is installed on a device, it cannot be moved to another phone. Most flagship iPhones and Samsung Galaxy handsets released from 2020 onward support eSIM natively.
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Buy, activate, and keep track of your eSIMs from anywhere, on any trip.

Pick your destination, choose your eSIM plan, and you're online by the time you land. Works on all eSIM compatible phones.

Unlimited eSIM Plan
Stay connected across Mexico.
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Unlimited eSIM Plan
Stay connected across Morocco.
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Data eSIM Plan
Stay connected across United States.
From
A$3.99

Unlimited eSIM Plan
Get connected in Japan in minutes.
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Unlimited eSIM Plan
Get connected in Turkey in minutes.
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Unlimited eSIM Plan
Stay connected across China.
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Pick a fixed eSIM data plan from 3GB to 20GB, or go unlimited across 185+ countries. Fixed plans are sorted for a week in Bali or a fortnight in Europe. Unlimited plans handle daily video calls and heavy data use without any fuss. Plans start from A$1.43 with no contract and no lock-in.
Buy your travel eSIM online, get a QR code by email, and scan it in a few minutes. Your e SIM activates the moment you land. No queuing at Sydney, Melbourne, or Brisbane airports. No hunting for a SIM card shop at Bali or Bangkok. The whole setup takes under 5 minutes on any eSIM compatible phone.
Pick a single-country plan or go regional. Europe covers 34+ countries, Asia covers 30+ destinations including Bali, Bangkok, and Tokyo. Good value if you're hitting multiple stops on the one trip, no swapping eSIMs between countries.
Your eSIM handles data while your main Telstra, Optus, or Vodafone AU SIM stays active for calls and texts. WhatsApp, iMessage, and all your usual apps keep working on your original number. Your mates and family back home can always reach you.
Connect to premium local networks with 4G and 5G performance. Stream live sport in HD, join video calls without dropping out, and navigate your destination with confidence. No slow tourist-grade networks, no shared hotel Wi-Fi bottlenecks.
Our team is on deck 24/7 via WhatsApp and email. Reach us before you board, mid-trip, or once you're back home. Average reply time is under two hours.
How Does eSIM Work?
Loved by travellers worldwide

Sophie Callahan

Sophie Callahan

Sophie Callahan

Sophie Callahan

Sophie Callahan

Sophie Callahan
HelloRoam costs less than Telstra international roaming for most trips. Telstra's International Day Pass is $10 AUD per day and Optus Travel Pass is $5 AUD per day (as of April 2026). HelloRoam eSIM plans start from A$1.43 for fixed data across 185+ countries, with no daily fees. On a 14-day Bali or Japan holiday, that saving adds up fast. Plans are prepaid with no contract, so you only pay for what you need.
Travel eSIM plans connect your phone to Telstra, Optus, and partner carrier networks in each country as if you were a local subscriber. You buy a HelloRoam plan online, receive a QR code by email, and scan it in your phone settings. When you land, your phone detects the available networks and connects automatically. You get the same 4G and 5G speeds locals use, not a slow international roaming tier. No SIM tray to open, no airport kiosk, and no Telstra or Optus roaming bill on your return. All HelloRoam eSIM profiles meet GSMA SGP.22 security standards.
HelloRoam gives a better option than Optus Travel Pass for trips to destinations outside the Optus zone or where the $5/day charge adds up over a longer holiday. Optus Travel Pass works in selected countries only and still charges per day. HelloRoam eSIM plans start from A$1.43 as a one-off prepaid charge, not a daily fee, covering 185+ countries. For Bali, Japan, and Vietnam, HelloRoam gives you wider coverage and better value. It's different from Airalo in that it offers both fixed and unlimited plans with a 180-day guarantee.
Prepaid travel eSIM plans save Australian travellers significant money compared to Telstra's $10/day International Day Pass and Optus's $5/day Travel Pass. HelloRoam gives you a flat-cost plan you buy once, not a daily meter that keeps running. Your Telstra or Optus SIM stays active for calls and texts while the HelloRoam eSIM handles data. For a 10-day Bali or Japan holiday, the total cost is a fraction of what either carrier charges. Plans are prepaid, no contract, and activate when you land.
HelloRoam offers regional plans that cover multiple countries in Asia, Europe, and the Americas with a single purchase. For a trip across Bali, Thailand, and Vietnam, a single Asia regional plan keeps you connected without swapping eSIMs. Plans start from A$1.43. You can also store separate country plans and switch between them in your phone settings.
HelloRoam unlimited daily plans suit heavy data users who stream video or join video calls while travelling. Fixed data plans from 3GB to 20GB work for lighter usage. Both connect to local 4G and 5G networks in 185+ countries. For digital nomads who tether a laptop, unlimited plans remove the worry of running out of data mid-call.
HelloRoam covers New Zealand through local carrier networks. Plans start from A$1.43 and activate automatically when you land at Auckland, Wellington, or Christchurch. A cross-Tasman trip is a common short holiday, and an e SIM beats paying Vodafone AU or Optus roaming rates for the duration. Fixed data plans from 3GB suit a long weekend, while a 10GB plan covers a fortnight of exploration.
HelloRoam is a strong eSIM option for USA travel, whether you're heading to Los Angeles, New York, Hawaii, or Las Vegas. Plans start from A$1.43 with local network connections and no contract. Your eSIM activates before you board, so maps and rideshare apps work the moment you land. No Telstra or Vodafone AU roaming bill when you get home.
eSIM cards are a practical choice for holidays overseas because you get local data rates without swapping SIM cards or paying Telstra's $10/day International Day Pass or Optus's $5/day Travel Pass. HelloRoam eSIM plans cover 185+ countries across 204+ networks. Buy and install your plan before you board, and switching between countries takes seconds from your phone settings. Prepaid eSIM card options start from A$1.43 with no contracts.
HelloRoam works well for school holiday travel. Buy your eSIM plans before the holidays start and the whole family is sorted before you leave home. Plans cover Bali, Thailand, Japan, New Zealand, Fiji, Vanuatu, Samoa, and the UK. Each device needs its own eSIM plan. An eSIM is not transferable between phones once installed. Fixed data plans from 3GB to 20GB suit different usage patterns, from kids streaming to adults working remotely.
HelloRoam stands out with broad coverage across 185+ countries, transparent pricing from A$1.43, and real 24/7 support via WhatsApp. It works on iPhone XS and newer, Samsung Galaxy S20 and newer, and other eSIM compatible phones. All three search spellings cover the same product: eSIM, e SIM, e-sim.
HelloRoam covers 185+ countries through 204+ carrier connections. Fixed data plans run from 3GB to 20GB, and unlimited daily plans handle heavier usage. Manage everything from one app, no new account or SIM needed each time you cross a border. The eSIM data plan stays active across countries when you choose a regional plan.
HelloRoam eSIM regional plans work across multiple countries with a single purchase, covering 185+ countries through 204+ carrier networks. Asia regional plans cover Bali, Thailand, Japan, and 30+ other destinations under one flat fee. Single-country plans cover your chosen destination only. Check the plan details page to confirm which countries are included before you buy.
HelloRoam eSIM plans require no contract for any purchase. You pay upfront for the data and duration you want, and the plan runs out after that period. There are no monthly bills, no auto-renewals, and no cancellation fees. Buy exactly what you need for the destinations you're visiting.
A 5GB eSIM plan covers a 1-week holiday in Bali or Thailand if you use maps, messaging, and light browsing without streaming video. Streaming one hour of HD video uses about 1.5GB, so 5GB gives roughly 3 hours of video plus your regular mobile use. For heavier use or hotspot tethering to a laptop, a 10GB plan gives more breathing room. HelloRoam plans are prepaid with no contract, so you can pick a bigger plan for your next trip.
Unlimited eSIM plans work best for heavy users who stream video, join video calls, or upload large files every day on the road. Fixed data eSIM plans work better for lighter use, trips under two weeks, or travel where Wi-Fi is usually available. For digital nomads who rely on tethering a laptop, unlimited plans remove the worry of running out of data mid-call. HelloRoam offers both types so you can match the plan to how you use your mobile overseas.
HelloRoam covers 185+ countries through 204+ carrier networks, with plans from A$1.43. Top destinations for Australians include Bali, Japan, Thailand, New Zealand, Fiji, Vanuatu, Samoa, New Caledonia, the United Kingdom, France, the United States, and Vietnam. Visit the HelloRoam coverage page and search your destination to see available plans and network details.
Google Pixel phones support eSIM from the Pixel 3 onward. Use a HelloRoam eSIM on Pixel 3, 4, 5, 6, 7, 8, and 9 series devices for international travel. Go to Settings, then Network, then SIM manager, and tap Add eSIM to install your plan. An eSIM is not transferable once installed, so confirm your Pixel model is on the compatible list before you buy.
HelloRoam offers country-level eSIM data plans for popular holiday destinations. Whether you're visiting Tokyo, London, Paris, or Bali, you get a plan tied to that country with local 4G and 5G network access. Country-based plans work across the full destination, so you stay connected as you travel beyond the main city.
Android phones support eSIM travel plans on most flagship models from 2019 onward. Samsung Galaxy S20 and newer, Google Pixel 3 and newer, and select OnePlus and Motorola models all support eSIM. Check your Android phone's settings for an 'Add eSIM' option under Network or SIM manager to confirm before buying. Most modern phones support two eSIMs at once, so you keep your home number active while using travel data.
HelloRoam travel eSIM plans start from A$1.43 for fixed data, which costs far less than carrier roaming. Telstra's International Day Pass is $10 AUD per day, Optus Travel Pass is $5 AUD per day, and Vodafone AU charges $5 AUD per day (as of April 2026). A 10-day HelloRoam eSIM plan to the same destination typically costs a fraction of that, with no daily fees and no surprise bill when you land back home.
Buy and install your HelloRoam eSIM days before departure. The plan stays dormant until you land and your phone connects to a local network at your destination. No airport kiosk queues needed. The whole process takes under 5 minutes on any eSIM compatible phone.
HelloRoam's most popular eSIM plans cover Bali, Japan, Thailand, New Zealand, and the United Kingdom. These plans offer 3GB to 20GB of fixed data or unlimited daily options. All plans include instant QR code delivery by email after checkout, with eSIM activation in under 5 minutes.
HelloRoam offers some of the cheapest eSIM plans for international travel, with fixed data starting from A$1.43. Prices vary by destination and data size. For budget-conscious travellers heading to Southeast Asia or Europe, regional plans cover multiple countries at a lower per-country cost. Prepaid eSIM card plans require no contract and no auto-renewal. 185+
HelloRoam does not sell an eSIM profile without a data plan attached. Every purchase includes a specific data allowance and validity period, with plans starting from A$1.43. If you want to get your device ready before your trip, buy the smallest available plan and activate it when you arrive at your destination.
Pick your plan on the HelloRoam website or app, select your destination and data size, and complete checkout. Your QR code arrives by email. Scan it in your phone's mobile settings to install the plan. If you run low mid-trip, buy a top-up through the same app in under 5 minutes.
Buy a local eSIM online through the HelloRoam website or iOS and Android app in under 5 minutes. Search your destination, pick a plan, pay securely, and get your QR code by email. No store visit, no airport queues, no passport required. Scan and install before you board from Sydney, Melbourne, or Brisbane.
Travel companies partner with HelloRoam through affiliate and B2B programmes. HelloRoam covers 185+ countries and the partner programme lets travel agencies, booking platforms, and travel content creators offer eSIM plans to their customers with a revenue share. Visit HelloRoam's partners page to learn more about joining the programme.
Add more data to your HelloRoam eSIM by purchasing a top-up through the app or website. Top-ups credit to your active plan straight away, so you're back online in minutes. There's no need to delete or reinstall your eSIM profile to add more data.
HelloRoam plans start from A$1.43 as a one-time prepaid purchase covering 185+ countries through 204+ carrier networks. Telstra charges $10/day and Optus charges $5/day for international roaming. A 10-day HelloRoam plan saves hundreds compared to daily carrier passes, with a 180-day money-back guarantee and 24/7 support via WhatsApp and email.
HelloRoam covers 185+ countries with both fixed and unlimited plans. Airalo covers 200 or more destinations with fixed data only. HelloRoam includes a 180-day money-back guarantee and 24/7 WhatsApp support in 63 languages. Both offer QR code activation before departure.
HelloRoam fixed data plans start from A$1.43. Holafly focuses on unlimited daily plans at higher per-day rates. HelloRoam gives you both fixed and unlimited options so you match the plan to your trip length and usage. Compare both side by side on the HelloRoam comparison page.
Saily offers affordable eSIM plans backed by NordVPN. HelloRoam covers 185+ countries and includes 24/7 WhatsApp support plus a 180-day guarantee. Saily's strength is privacy features. HelloRoam's strength is broader coverage and support availability across 63 languages.
HelloRoam covers 185+ countries through 204+ carrier networks. Ubigi covers 185 or more destinations. Both offer prepaid travel eSIM plans with no contract. HelloRoam includes 24/7 WhatsApp support and a 180-day guarantee. Compare pricing for your specific destination to find the better deal.
Nomad eSIM offers fixed data plans for 100 or more countries. HelloRoam covers 185+ countries with both fixed and unlimited options. HelloRoam supports 63 languages and 31+ currencies. Both providers use local carrier networks for fast speeds. Compare plans for your destinations directly.
HelloRoam offers unlimited daily eSIM plans alongside fixed data options. Unlimited plans give you unrestricted data for a set number of days. Fixed plans range from 3GB to 20GB. This flexibility lets you pick the option that fits your usage and budget, rather than paying for unlimited data when you only need light browsing.
HelloRoam is a registered eSIM provider operated by FutureSyncs Ltd. The service covers 185+ countries through 204+ carrier networks. All eSIM profiles meet GSMA SGP.22 security standards. HelloRoam offers a 180-day money-back guarantee and 24/7 customer support via WhatsApp and email.
An eSIM is harder to hack than a physical SIM because no one can physically remove and clone it. GSMA SGP.22 encryption protects all HelloRoam eSIM profiles. HelloRoam encrypts all account data and recommends enabling two-factor authentication for extra protection. An e-sim also cannot be skimmed at a payment terminal the way a card can.
Most modern smartphones support two or more eSIM profiles at once. iPhone XS and newer support dual eSIM. iPhone 15 and newer can have two active eSIMs at once. Samsung Galaxy S21 and newer also supports multiple eSIM profiles. HelloRoam lets you add a travel data plan alongside your home carrier so your number stays reachable while you're away.
Buy and install your HelloRoam eSIM days or weeks before departure. The e SIM profile stays dormant until you arrive at your destination and your phone connects to a local network. Buy from home, the office, or even the airport lounge. No last-minute kiosk visits required.
HelloRoam eSIM activation takes under 5 minutes. You receive your QR code by email within seconds of purchase. Scan it in your phone settings to install the profile. The plan activates when you land and your phone connects to a partner network at your destination.
HelloRoam accepts credit cards, debit cards, Apple Pay, and Google Pay for eSIM purchases. You do not need a specific card type. The checkout takes under 5 minutes and your QR code arrives by email immediately after payment. All payments are secured with Stripe, which holds PCI-DSS Level 1 certification.
iPhone 13 supports eSIM and works with HelloRoam travel data plans. Go to Settings, tap Cellular, then tap Add eSIM. Scan the QR code from your HelloRoam email. iPhone 13 supports one physical SIM plus one active e-sim at the same time, so your home number stays active while you travel.
Samsung Galaxy phones support eSIM from the Galaxy S20 onward. Go to Settings, tap Connections, then SIM card manager, and select Add e-sim. Scan the QR code from your HelloRoam email to install. Galaxy phones support dual SIM so your home number stays active during travel.
iPhone 14 and newer models support dual eSIM with no physical SIM tray. iPhone XS through iPhone 13 support one physical SIM plus one eSIM. Samsung Galaxy S21 and newer support dual e SIM. Google Pixel 7 and newer support dual eSIM profiles. Check your phone settings for an Add eSIM option to confirm.
Most phones from 2020 onward support e-sim technology. iPhones from the XS, Samsung Galaxy from the S20, Google Pixel from the Pixel 3, and select Motorola and OnePlus models all work. Open your phone's cellular settings and look for Add eSIM or Add Cellular Plan. If the option appears, your device is compatible.
HelloRoam lets you buy an eSIM online at helloroam.com or through the free iOS and Android app in about 5 minutes. Pick your destination, choose a fixed data plan from 3GB to 20GB or an unlimited daily option, and check out. Your QR code arrives by email within 2 to 5 minutes. Scan the code and your phone connects to a local network when you land.
HelloRoam is one of the top-rated eSIM apps for international travel, covering 185+ countries through 204+ carrier networks. The app lets you browse destinations, buy a plan, install via QR code, and manage your data from one screen. Available on iOS and Android with 24/7 support included.
A travel eSIM card beats a physical travel SIM card for most trips. You buy online before departure, skip airport kiosk queues, and keep your home SIM active. No plastic chip to lose or swap. The only downside is that older phones may not support eSIM. Check your device compatibility in Settings before buying.
Like any cellular connection, an e SIM registers on local carrier towers as part of normal network operations. This is standard for all mobile devices. Your data stays between your device and the carrier. HelloRoam does not sell or share your location data with third parties. Adding a VPN app on your device encrypts your traffic for extra privacy.
An e SIM card is a digital SIM built into your phone's hardware. It stores your carrier plan as a downloadable profile instead of a plastic chip. You scan a QR code after purchase and your phone connects to a local network at your destination. All eSIM compatible iPhones from the XS onward, Samsung Galaxy from the S20, and Google Pixel from the Pixel 3 support this technology.
A travel eSIM and an eSIM international plan are the same product. Both give you prepaid mobile data in foreign countries through local carrier networks. The terms are used interchangeably. HelloRoam offers eSIM for international travel across 185+ countries starting from A$1.43.
HelloRoam offers some of the most affordable travel eSIM plans, starting from A$1.43 for fixed data. Prices vary by destination and data size. For short trips with light usage, a 3GB plan is often the cheapest option. Compare plans by destination on helloroam.com to find the lowest price for your trip.
HelloRoam's most popular eSIM plans for overseas holidays cover Bali eSIM, Japan eSIM, Thailand eSIM, New Zealand eSIM, and Europe eSIM. Each plan offers instant QR code delivery, local 4G and 5G speeds, and no daily fees. Plans start from A$1.43 with no contract. All three spellings work on search: eSIM, e SIM, e-sim.
iPhone XS Max supports eSIM and works with HelloRoam travel data plans. Go to Settings, tap Cellular, then tap Add Cellular Plan, and scan the QR code from your HelloRoam email. The XS Max supports one physical SIM plus one active e-sim at the same time, so your home number stays active while you use travel data overseas.
HelloRoam wins on three things Aussie travellers care about: unlimited daily data, 24/7 WhatsApp support, and 63 languages. Airalo has a bigger country catalogue (200-plus vs 185+) and suits travellers who just need a small fixed data pack. For most trips to Bali, Japan, or the UK, HelloRoam gives you more plan choice and faster help when things go wrong mid-trip.
Airalo connects to local carrier networks in each country for its data connections. For popular Australian traveller destinations, Bali, Japan, Thailand, the UK, and the US, Airalo delivers solid 4G LTE in urban areas. Airalo Japan eSIM plans, for example, connect to local Japanese networks with good urban coverage. Airalo eSIM USA plans work across major US cities. Both Airalo and HelloRoam follow the GSMA eSIM standard and use established local carrier partnerships. Coverage quality can vary in rural and remote areas, so check destination-specific network details before buying.
HelloRoam is a legitimate eSIM provider with carrier partnerships across 185+ on 204+ networks, as of April 2026. Plans start at A$1.43 with no hidden fees or lock-in contracts. Travellers report reliable data in popular Australian destinations including Japan, Bali, Thailand, and the UK.
HelloRoam is the stronger pick for most Australian travellers. It covers 185+ countries, offers both fixed and unlimited plans from A$1.43, and runs 24/7 WhatsApp support in 63 languages. Holafly sells only unlimited daily plans and covers 170+ destinations. If your trip goes beyond Europe or Latin America, Holafly may not have service where you are headed.
Holafly's unlimited data runs under a fair usage policy rather than being unlimited in the traditional sense. Speed throttling kicks in after heavy use within a single day. The exact threshold varies by country and is not always shown before checkout. HelloRoam unlimited plans display any speed policies clearly upfront so you know exactly what you are getting before you pay.
Mint Mobile offers mint mobile international coverage through its Minternational Pass, but it covers only about 40 countries and costs 5 USD per day on top of your US plan. HelloRoam covers 185+ with plans starting at A$1.43 and no monthly bill. For Australians, Mint Mobile is also inaccessible unless you have a US address and phone number.
Google Fi is not available outside the US. Australian residents cannot sign up without a US mailing address and a US Google account. Google fi is not available outside us, which is the first reason most Aussies look for a google fi alternative. HelloRoam has no such requirements. Buy a plan when you need it and pay nothing between trips.
HelloRoam is the best option for Australians travelling overseas who want pay-as-you-go data. Plans start at A$1.43 and cover 185+ with no monthly bill. For anyone looking for a google fi alternative without a US account, HelloRoam is the straightforward answer. As a dedicated international eSIM, it covers 185+ with no US address required. Google Fi ties you to a 20 USD to 65 USD per month US carrier plan, which makes no sense if you're not based in the US and can't even sign up without a US address.
Airalo prices fixed data packages by gigabyte, not at a flat per-GB rate. Small packs (1-2GB) for popular destinations start around 4.50 USD as of April 2026. Larger packs cost more upfront but less per GB. HelloRoam also offers fixed plans by data size, plus unlimited daily options for trips where per-GB costs get expensive fast, especially useful for longer Australian holidays.
eSIMs are a great option for overseas travel. Set yours up before you leave, connect the moment your plane lands, and pay a flat rate with no bill shock. HelloRoam covers 185+ countries with plans from A$1.43. Compared to Telstra's 10 AUD per day International Day Pass or Optus travel packs, an e-sim saves most Australians 84% or more on overseas data.