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Travel eSIMs are useful, but they still leave you guessing. You pick a country, choose a data pack, hope it lasts, and then lose whatever is left when the plan expires. If your trip has more than one country, the whole process starts again. Roamless caught my attention because it tries to remove that cycle.
Instead of making you buy a new eSIM or country plan for every trip, Roamless gives you a single global eSIM and a single balance. You add credits, use data where Roamless is supported, and keep the leftover balance for later. That makes it especially useful for people who travel a few times a year and hate wasting unused data.
Roamless also offers Roamless Numbers, a paid add-on that gives you a virtual number for calls and SMS inside the app. Roamless says it can receive SMS messages, including some verification codes, but I would still keep a regular SIM active for banking OTPs, since many banks block virtual numbers.
- Take a look at our other picks to find your best eSIM for international travel
Roamless: Pricing

Roamless runs two plan types that can work independently or together on the same eSIM.
|
Plan |
Price |
Data |
Validity |
Hotspot |
|
RoamlessFlex |
Avg. $2.45/GB |
Pay per MB used |
Never expires |
Yes |
|
RoamlessFix |
Varies by destination |
Fixed bundle |
30 days from first use |
Yes |
RoamlessFlex
Flex is the main reason to consider Roamless. You add credits to your wallet, and Roamless deducts data usage as you go. The average rate is around $2.45 per GB, although pricing varies by country.
The important part is that your Flex credits do not expire. If you add credit for one trip and use only part of it, the remaining balance stays in your account for the next trip. That makes Roamless feel less wasteful than eSIM plans that expire after a fixed number of days.
New users may receive free Flex credits when they sign up, though the amount may vary based on current promotions. If you join through a referral code, both you and the person who referred you receive $5 in Flex credits after your first top-up. You can also turn on Auto Top Up to refill your wallet automatically when your balance drops below $5.
RoamlessFix
Fix plans are fixed data bundles for a country or region, valid for 30 days. They usually make more sense when you already know where you are going and how much data you will need. The per-GB price can be lower than Flex on larger bundles, but prices vary by destination, so it is worth checking the app before buying.
The catch is that Fix plans don’t renew automatically. When your Fix plan expires, Roamless automatically switches back to your Flex balance so you stay connected without changing anything. Fix works best if you already know where you’re going and how much data you’ll need. If your plans are flexible or you’re visiting multiple countries, Flex is usually the better choice.
Roamless: Features
The best thing about Roamless is that it removes some of the small decisions that make travel eSIMs annoying. You are not constantly deleting eSIMs, reinstalling profiles, or trying to use up leftover data before it disappears.
- Non-expiring credits: Most pay-as-you-go eSIMs attach an expiry date to your balance. Roamless doesn’t. Flex credits sit in your wallet until you spend them. That matters most for travelers who take a handful of trips a year and don’t want to scramble to use a balance before it disappears.
- Automatic Fix-to-Flex fallback: If your Fix plan runs out mid-trip, Flex credits automatically take over. You stay connected.
- Single global eSIM: Install once. The eSIM automatically connects to local carrier partners in 200+ destinations. On Flex, that spans every supported country with no reinstalling between trips or border crossings.
- Hotspot and tethering: Share your data with other devices. Any data you use comes out of your Flex balance or FIX plan.
- In-app calling: Roamless lets you make international calls through the app, with rates starting from $0.01 per minute. It works over any internet connection, including Wi-Fi, a local SIM, or the Roamless eSIM.
Roamless Numbers: Why It Matters

Most travel eSIMs are data-only. They get you online, but they do not give you a phone number for calls or texts. Roamless Numbers is Roamless’s answer to that gap.
With Roamless Numbers, you can subscribe to a virtual number inside the app and use it for calls and SMS over the internet. Roamless says Numbers are now available in four countries, with monthly and annual subscription options. The listed price is $6.95 per month, or $59.95 per year ($4.95 per month if you pay annually, a 28% saving).

I’d have used this on a trip where my Airbnb host and a delivery driver both needed to reach me and I had no way for either to call back. That’s the real use case: any time a hotel, a ride app, or a client needs to reach you while you’re abroad. I also like that it lives in the same app as my travel data. One less VoIP app to manage.
The important limit is verification. Roamless says Numbers can receive SMS, including two-factor authentication and verification codes. That does not mean every bank or financial app will accept them. Many services are strict about virtual numbers, so your regular SIM is still the safer option for banking OTPs.
Number porting is not supported, and each subscription is tied to one Roamless Number. So this is a useful travel add-on, and not a full replacement for your main phone line.
Roamless: Installation

Setup takes about five minutes on an iPhone. Download the app, create an account, add funds or choose a plan, and follow the activation steps. The app walks you through labeling the new eSIM line, setting it as your data connection, and turning on roaming.
Two things are worth checking before you travel. First, install the eSIM while you are on a stable Wi-Fi connection. Second, after installation, make sure Roamless is selected for mobile data and that data roaming is turned on for the Roamless line. If your phone keeps switching back to your home SIM, you could end up using your carrier’s roaming instead.
After that, the setup is done. Land somewhere new, turn data on, and the app connects. You don’t touch it between trips or border crossings.
Android setup can vary more by device. Samsung and Pixel phones are usually straightforward, but some models may need extra APN steps. If you use a less common Android phone, check Roamless’s setup guide before you leave.
Roamless: Compatible Devices
|
Brand |
Popular compatible models |
Notes |
|
iPhone |
iPhone XR, XS, XS Max, SE 2/3, iPhone 11–17 series, iPhone Air |
Regional variants can differ, especially the China mainland, Hong Kong, and Macao models. Check for “Add eSIM” before buying. |
|
Samsung Galaxy S |
Galaxy S20–S25 series, including Plus and Ultra models |
Some regional or carrier-locked variants may not support third-party eSIM installation. |
|
Samsung Galaxy Z |
Galaxy Z Fold2–Fold7, Galaxy Z Flip/Flip3–Flip7, Flip7 FE |
Check the exact regional model before purchase. |
|
Google Pixel |
Pixel 4 and newer, including Pixel 8, Pixel 9, Pixel 9a, Pixel 9 Pro Fold, and Pixel 10 series |
Some carrier variants may have restrictions. |
|
Huawei |
P40, P40 Pro, Mate 40 Pro, Pura 70 Pro, Pura X Foldable, 80 Pro/Pro+/Ultra |
Compatibility varies strongly by region. Confirm the exact model first. |
|
Xiaomi |
12T Pro, 13 series, 13T Pro, Redmi Note 13 Pro+, 14 series, 14T/14T Pro, Redmi Note 14 Pro+, 15/15 Ultra |
eSIM support varies by market and variant. |
|
Motorola |
Razr 40/50 series, Razr+ / Razr Ultra, Edge 40/50 series, ThinkPhone 25, Moto G34/G35 |
Region-dependent. Confirm in device settings before buying. |
For older or less common phones, check Roamless’s device page or ask support first. If your phone does not support eSIM, you can still use the Roamless app for Roamless Numbers and in-app calls over Wi-Fi or mobile data.
Roamless: Customer Support

Support runs through three channels: in-app chat, email, and a help center split into four categories. The FAQ section alone has 58 articles, which tells you something about how many edge cases Roamless has run into. The in-app chat opens with an AI agent first, and you have to ask for a human if the bot can’t handle it.
Once you’re past setup, you won’t need support much. The eSIM connects automatically at every border, and the app itself is where most of what could go wrong (a failed activation, a calling glitch) actually happens.
Roamless: Final verdict

I’d recommend Roamless to anyone hopping between countries more than once a year. The Flex wallet is the whole pitch: credits that don’t expire beat every fixed eSIM plan I’ve used that punishes you for not finishing your data in time.
The single global eSIM backs that up. Install once, forget about it, and it just works at the next border. That alone makes multi-country trips less annoying than switching separate eSIMs. Roamless Numbers is a nice extra if you want calls and SMS in the same app, but don’t lean on it for banking OTPs. Banks reject virtual numbers often enough that your regular SIM should stay the backup.
Skip Roamless if you need unlimited data or the cheapest single-country plan available. For everyone else traveling light and often, it’s one of the more practical eSIMs out there right now.
Roamless: FAQs
How does RoamlessFlex work?
Roamless Flex works by letting you add credits to your Roamless wallet and pay only for the data you use. The app deducts your balance as you go, and any unused credits stay in your wallet because they never expire. If you travel often or visit multiple countries, you can keep using the same wallet without having to buy a new eSIM each time.
What is RoamlessFix, and when should I use it?
Roamless Fix is a prepaid data plan that gives you a fixed amount of data for a specific country or region. The plan stays valid for 30 days from the time you first use it. It works best if you already know where you’re traveling and roughly how much data you’ll need. If you don’t use all your data within 30 days, the remaining balance expires.
Does Roamless offer unlimited data?
No. Roamless does not offer unlimited data plans. Roamless only offers Flex and Fix plans. Flex lets you pay only for the data you use, while Fix gives you a set amount of data that expires after 30 days. If you need unlimited data for streaming or heavy daily use, you’ll need to look at another eSIM provider.
Can I receive banking OTPs with Roamless while traveling?
No. You should not rely on Roamless for banking OTPs while traveling. The Roamless eSIM is data-only, and Roamless Numbers uses virtual phone numbers instead of regular mobile numbers. While some services may send SMS to a virtual number, many banks and financial apps block VoIP numbers for security reasons. Your regular SIM card is still the safest option for banking verification.
Does Roamless support hotspot and tethering?
Yes. Roamless supports hotspot and tethering on all of its data plans. You can share your mobile data with a laptop, tablet, or another phone without paying extra. Any data used through hotspot is simply deducted from your Flex wallet or your Fix data allowance, just like data used on your phone.
Does Roamless work in China?
Yes. Roamless works in mainland China. Once your Roamless eSIM is installed, your phone connects automatically through Roamless’ roaming partners when you arrive. You don’t need to buy a local SIM card, making it a convenient option for travelers who want mobile data as soon as they land.
Do I need to buy a new plan for each country I visit?
No. You do not need to buy a new plan for each country if you use Roamless Flex. The same Roamless eSIM and Flex wallet work across more than 200 supported destinations, and your phone connects automatically when you cross a border. If you use a Roamless Fix plan, you’ll only need to buy another plan when you travel outside the country or region covered by your current package.
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A detailed review of Roamless, its eSIM plans, pros & cons, and whether it’s your best choice when traveling. Read More Latest from TechRadar US in Reviews