eSIM Providers: Detailed Reviews and Comparison of the Best Services

Every eSIM provider review on this page starts with a plan we paid for ourselves. We install it on our own phones, measure real download speeds, message customer support, and publish the screenshots. The result is one score per provider. It is the same score you see in every country guide on Vefru.

There is no single best provider. It depends on what you value. Start with the quick picks, then open the full ranking.

Which eSIM provider is best for you?

The winner of each test category in our hands-on tests.

Cheapest data
Both scored full marks on price. Global YO is often the single cheapest plan in our database.
Customer support
Fast, useful answers to real questions. Details in our timed support test.
Fastest connection
No speed cap in our test, even past 10 GB in a single day.
Best app
The highest app score in our test. Installation is just as smooth.
Easiest to buy
The smoothest purchase in our test. Prices are the trade-off.
Cruises and ferries
The only provider here that covers the crossing itself, with a quick help desk.

All eSIM providers we tested, ranked

Our score is the average of six tests, 0 to 10: purchase process, app, eSIM installation, customer support, connection speed, and prices. Open a row to see every test result and what users say in the app stores. Providers get no say in the result.

eSIM4Travel Best experience overall8.8

Purchase process8/10
Appnone
eSIM installation8/10
Customer support10/10
Connection speed8/10
Prices10/10
No app, website only. The average is calculated across five tests.
Trustpilot 4.4 (194 reviews)

Read the eSIM4Travel review

Saily Best app, by Nord Security8.5

Purchase process7/10
App9/10
eSIM installation9/10
Customer support10/10
Connection speed8/10
Prices8/10
App Store 4.7 (12,000 reviews)
Google Play 4.5 (94,000 reviews)
Trustpilot 4.7 (29,301 reviews)

Read the Saily review

GoMoWorld Fastest in our test, no throttling8.2

Purchase process8/10
App8/10
eSIM installation8/10
Customer support6/10
Connection speed10/10
Prices9/10
App Store 4.8 (431 reviews)
Google Play 4.6 (3,780 reviews)
Trustpilot 3.8 (1,816 reviews)

Read the GoMoWorld review

Global YO Often the cheapest8.0

Purchase process8/10
App8/10
eSIM installation9/10
Customer support5/10
Connection speed8/10
Prices10/10
App Store 4.5 (570 reviews)
Google Play 3.8 (5,360 reviews)
Trustpilot 4.1 (1,391 reviews)

Read the Global YO review

Airalo The biggest name, solid all round7.3

Purchase process9/10
App8/10
eSIM installation9/10
Customer support7/10
Connection speed7/10
Prices4/10
App Store 4.6 (100,000 reviews)
Google Play 4.3 (180,000 reviews)
Trustpilot 4.0 (38,533 reviews)

Read the Airalo review

GigSky The most countries covered7.2

Purchase process7/10
App6/10
eSIM installation8/10
Customer support9/10
Connection speed6/10
Prices7/10
The app keeps working after your data runs out, so you can top up.
App Store 4.5 (1,100 reviews)
Google Play 3.9 (4,470 reviews)
Trustpilot 4.3 (5,568 reviews)

Read the GigSky review

Nomad Good data, weak customer support6.8

Purchase process8/10
App7/10
eSIM installation8/10
Customer support2/10
Connection speed8/10
Prices8/10
App Store 4.8 (16,000 reviews)
Google Play 4.5 (15,400 reviews)
Trustpilot 4.3 (41,789 reviews)

Read the Nomad review

Jetpac Cheap starter plans, useful extras6.7

Purchase process5/10
App5/10
eSIM installation9/10
Customer support5/10
Connection speed8/10
Prices8/10
App Store 4.0 (219 reviews)
Google Play 4.1 (1,110 reviews)
Trustpilot 4.7 (3,407 reviews)

Read the Jetpac review

Holafly Unlimited data, slower but a safe bet6.2

Purchase process7/10
App7/10
eSIM installation9/10
Customer support6/10
Connection speed4/10
Prices4/10
App Store 4.8 (14,000 reviews)
Google Play 4.7 (77,800 reviews)
Trustpilot 4.7 (106,228 reviews)

Read the Holafly review

Yesim Swiss provider, good buy when on sale6.2

Purchase process6/10
App7/10
eSIM installation8/10
Customer support2/10
Connection speed8/10
Prices6/10
App Store 4.6 (2,100 reviews)
Google Play 4.7 (25,400 reviews)
Trustpilot 4.3 (2,939 reviews)

Read the Yesim review

11ByteSIMByteSIM Hong Kong based, aggressive prices in Asia5.3

Purchase process4/10
App4/10
eSIM installation7/10
Customer support2/10
Connection speed8/10
Prices7/10
App Store 4.6 (481 reviews)
Google Play 3.8 (2,360 reviews)
Trustpilot 4.8 (4,113 reviews)

Read the ByteSIM review

Also reviewed, without a full score: SMART eSIM, a local carrier option for the Philippines, and Flexiroam. More providers are on the way.

How we test every eSIM provider

We buy a plan
We pay the public price with our own money. Providers do not send us free plans. We owe them nothing for a kind word.
We measure the network
We install the eSIM on our own phones and run speed tests. We check which local carriers the plan connects to. Screenshots included.
We test customer support
We message customer support with real questions and time the answers. We also check if help is available in Czech and Polish.
We publish everything
Prices, speeds, support replies, and the problems we hit. The good and the bad go into the review, with proof.

A provider cannot pay for a better verdict. Our team comes from telecom and software engineering. One of us worked at one of the largest Czech telecom companies. Read more about the team behind the reviews.

Compare eSIM providers head to head

Torn between two names? These comparisons put our test results side by side, so you can pick in minutes instead of reading two full reviews.

Compare plans across every provider at once

Reviews tell you about a provider. Prices change week to week. The comparison tool searches more than 30,000 eSIM plans from every provider on this page. Pick one country or a whole route, and you see today's cheapest option for your exact trip.

eSIM provider reviews: common questions

Which eSIM provider is the best?

There is no single winner. eSIM4Travel has our highest average score. Saily has the best app, and GoMoWorld was fastest in our speed test. Airalo has the widest reach and Holafly wins for unlimited data. The right choice depends on your destination and data needs. Start with our ranking of the 8 best eSIM providers.

Are cheap eSIM providers reliable?

Usually yes, for data. Most eSIM providers resell capacity on the same major local networks. A cheap plan often uses the same towers as an expensive one. The real differences show up in customer support, app quality, and top-up prices. That is exactly what our reviews measure.

How does Vefru earn money from these reviews?

Some links on Vefru are affiliate links. If you buy through them, we may earn a commission, at no extra cost to you. We still buy every tested plan with our own money. Commissions never affect a verdict. Weak providers get weak reviews.

Do these providers offer customer support in Czech or Polish?

It varies. Every review states clearly whether the provider's app and customer support work in Czech and Polish. Most international providers are English only. Vefru itself is available in English, Czech, and Polish. The review is in your language even when the provider is not.

Our eSIM provider reviews exist so you never have to gamble on a name you saw in an ad. Pick a provider from the ranking above. Or skip straight to the numbers and let the comparison tool find the cheapest plan for your destination.

Find your cheapest eSIM plan