Amaysim International Roaming vs Travel eSIM for Aussies

Amaysim international roaming is a convenient choice for keeping your Australian number active for SMS, but for actual data usage, a travel eSIM is significantly cheaper and more reliable. By switching to an AussieRoam eSIM, you avoid the high per-megabyte costs of roaming credit and connect directly to local tier-one networks the moment you land.

The Reality of Amaysim International Roaming

If you are an Amaysim customer, you probably love their no-lock-in contracts and affordable Aussie plans. When you head overseas, Amaysim offers 'International Roaming Packs.' These are essentially credit-based add-ons that last for 365 days. While the long expiry is a great perk, the amount of data you get for your money is often quite small compared to what you actually need for a modern holiday.

Amaysim uses the Optus roaming network. This means when you are in London, Tokyo, or Denpasar, your phone is constantly trying to talk back to the home base in Australia. This can lead to latency (lag) and faster battery drain. More importantly, once that small data allowance is gone, you are either cut off or forced to top up another expensive pack. It is certainly better than the $10-a-day 'International Day Pass' traps set by the big telcos, but it still isn't the most efficient way to browse.

Why a Travel eSIM Changes the Game

An eSIM (embedded SIM) is a digital version of the plastic SIM card you’ve been poking into your phone for years. Instead of roaming through your home provider, an eSIM allows you to see plans that connect you directly to local towers in your destination.

For Australians and Kiwis, this is a massive win. You can keep your Amaysim SIM in your phone to receive those important bank 2FA codes (which are usually free to receive), while your AussieRoam eSIM handles all the heavy lifting like Google Maps, Instagram uploads, and WhatsApp calls.

Local Networks vs. Roaming Partners

When you use Amaysim international roaming, you are a 'guest' on a foreign network. If the local network gets congested, roaming customers are often the first to have their speeds throttled. With an AussieRoam eSIM, you are often using the same tier-one providers the locals use.

• Indonesia (Bali): Instead of patchy roaming, you can hit the ground running with Telkomsel or XL coverage.
• Japan: Navigate the complex Tokyo subway with ease using Softbank or Docomo networks. Check out our Naoshima Art Island Travel Guide for inspiration on where to use that data.
• United Kingdom: Get reliable 4G and 5G in the big cities or while exploring the north. If you're heading to Scotland, our guide on Things to Do in Inverness will help you plan your Highlands adventure.
• Thailand: Land in Bangkok and immediately order a Grab car using local AIS or DTAC signals. If you're heading north, don't miss our Chiang Rai White Temple Guide.

Comparing the Costs: Amaysim vs. Travel eSIM

Feature	Amaysim Roaming Packs	AussieRoam Travel eSIM
Setup	Buy an add-on in the app	Scan a QR code or manual install
Data Allowance	Generally low (1GB - 5GB range)	Flexible (1GB up to 50GB)
Network Priority	Lower (Roaming Guest)	Higher (Local Partner)
Phone Number	Keeps your Aussie +61 number	Data-only (No local number)
WhatsApp/Messenger	Works	Works perfectly
Expiry	365 Days	7, 15, 30, or 180 Days

How to Install Your eSIM Before You Leave

You don't want to be hunting for 'Free Airport Wi-Fi' at 2:00 AM in a foreign country. The best strategy is to how set up your eSIM while you are still at the airport in Sydney, Melbourne, or Auckland.

For iPhone Users:

1. Go to Settings > Mobile/Cellular.
2. Tap Add eSIM or Add Data Plan.
3. Scan the QR code provided by AussieRoam.
4. Label the new plan 'Travel' and your Amaysim plan 'Primary'.
5. Set 'Travel' as your default for Mobile Data.

For Android Users:

1. Go to Settings > Network & Internet.
2. Tap the + next to SIMs or Mobile Network.
3. Select Download a SIM instead?.
4. Scan the QR code.
5. Ensure your phone is compatible before purchasing.

Coverage Realities: Cities vs. Rural Areas

Whether you are using Amaysim international roaming or an eSIM, coverage varies. In major hubs like London, Paris, or Tokyo, you will almost always have 5G or strong 4G. However, if you are heading into the Spanish countryside—perhaps using our Seville Spain Travel Guide—you want a connection that can switch between the strongest available local towers.

In Australia, AussieRoam utilizes the Optus and Telstra 5G networks, providing top-tier speeds. When you travel abroad to Europe, our EU plans cover 42 countries, meaning you can cross the border from Spain to Portugal without ever losing your connection or needing to swap settings.

Data Needs: How Much Do You Actually Need?

If you rely on Amaysim's smaller roaming packs, you'll find yourself constantly 'data pinching'—turning off background refresh and avoiding video calls. With an AussieRoam eSIM, you can choose a plan that actually fits your lifestyle.

• The Light Traveler (1GB - 3GB): Perfect for a week in Bali if you just need Google Maps and occasional WhatsApp messages.
• The Social Poster (5GB - 10GB): Ideal for a 2-week trip to Japan or Thailand where you are uploading stories and using translation apps constantly.
• The Digital Nomad (20GB - 50GB): For those working from a cafe in Split, Croatia. If you're there, check out the Best Things to Do in Split.

Why Avoid the Big Telco 'Daily Passes'?

Many Aussies get lured into the $10-a-day roaming deals from Telstra or Optus. While it seems simple, a 14-day trip suddenly adds $140 to your phone bill. Amaysim is better than this, but a dedicated travel eSIM is the gold standard for value. You pay once, you know exactly how much data you have, and there are never any 'surprise' bills waiting for you when you land back in Oz.

When you see plans from AussieRoam, you'll see options for daily passes or fixed data amounts. The daily passes are great for heavy users, offering a set amount of high-speed data every 24 hours, which then resets. This is perfect for those long train rides across Europe where you just want to stream music or watch YouTube.

Using WhatsApp and Staying in Touch

Since our eSIMs are data-only, you won't get a local phone number. However, in 2026, this hardly matters. Everyone uses WhatsApp, Messenger, or iMessage. These apps work seamlessly over an eSIM data connection. You can even make 'phone calls' via WhatsApp to landlines or mobiles back home if you have a little bit of credit in the app, or just call your mates directly through the data-driven interface.

The Bottom Line

Amaysim international roaming is a decent 'just in case' backup, but it lacks the value and performance of a dedicated travel eSIM. For the price of a couple of coffees, you can get a high-speed data connection that works the second your plane touches the tarmac. Skip the roaming queues, avoid the bill shock, and keep your adventures connected with a local digital SIM. It’s the smartest way for Aussies and Kiwis to see the world.