How to Choose Between Airalo and Yesim: 4 Rotation Checks

Updated 18 October 2026 · esim, airalo, yesim, crew connectivity

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Most advice on how to choose between Airalo and Yesim for a multi-country rotation is written for a tourist who lands, uses data every day and flies home. A ship rotation is different: you get a few hours of signal in each port, then days of open ocean while a fixed plan's validity keeps running down. In short, Airalo's regional plans tend to suit a tight run through several countries in one region. Yesim's pay-as-you-go wallet tends to suit irregular port calls with long passages between them.

This guide turns that into four checks you can do with your port list before sign-on. Every price and limit below comes from a published third-party review, and the date in brackets is the day we read that review. Prices change often, so check every figure against the live app before you rely on it.

How to choose between Airalo and Yesim: the short answer

Choose by your port sequence, because the same two apps can come out in opposite order on two different rotations. A comparison by uncompromised.travel (read 18 October 2026) concluded that Airalo was generally better for trips crossing four or more destinations, thanks to its regional plans. The same publisher found Yesim generally cheaper when you need validity of 15 days or longer, or on routes where it offers unlimited data. That is one publisher's conclusion, so treat it as a starting point and do your own sums.

For crew, the second half of that conclusion matters more than it would for a holidaymaker. A deep-sea leg can eat most of a fixed plan's validity while your phone sits in the cabin with no shore signal. Coastal and short-sea trades sit closer to the tourist pattern, with frequent calls in neighbouring countries, and that is where a regional plan earns its price.

If you want the wider ranking of eSIM options for crew first, our ranked guide to the cheapest eSIM picks for seafarers covers more providers. This article narrows the choice down to these two.

Why a ship rotation breaks the usual eSIM advice

A ship rotation breaks the usual advice because you pay for days of validity you cannot use. An eSIM connects through shore cell towers, so once the vessel is out of coastal range your data plan does nothing until the next port. Meanwhile most fixed plans count calendar days, and Expatica's Airalo review (read 18 October 2026) notes that validity and activation rules vary by plan and destination.

That gives you three costs to weigh on any rotation. The first is the plan price itself. The second is the data you bought but never used because the plan expired at sea; Expatica's review reports that Airalo does not roll unused data over. The third is the activation work: how many separate eSIMs you install, and whether you can do it on crew WiFi before the ship arrives.

Top comparison articles mostly cover the first cost and skip the other two. For a seafarer, the second and third costs often decide the answer.

Airalo vs Yesim for a multi-country rotation, side by side

The table puts the published figures for both providers side by side, with the source and the date we read it in every cell that carries a number. The reviews measured different countries and plan sizes, so compare the structure of the offers and do not read the cells as a like-for-like price test.

First check: how many port countries, and in how many regions?

Count the countries on your rotation first, because that number decides whether a regional plan makes sense. Write down every port country in order and mark which region each one belongs to. A run that stays inside Europe or Southeast Asia is a regional-plan candidate. A run that hops between continents usually means several country plans, a global plan, or a wallet balance.

Regional plans do not always win, even when several countries are involved. Esim.compare (read 18 October 2026) found Airalo's regional Europe plan at $37 for 10 GB over 30 days, while several single-country plans cost roughly $15 to $18 for the same allowance. On those numbers, two European country plans cost between $30 and $36, which is about the same as the regional plan. The regional plan only starts to pay off from the third country onward.

Roami's review (read 18 October 2026) listed a smaller Airalo Europe regional plan of 5 GB for 30 days at about $19.50. If your data needs per port are modest, that smaller regional plan changes the sum again. Our comparison of Airalo regional and global eSIM plans for crew goes through that choice in more detail.

Pricing a port sequence on Airalo

You price a rotation by adding up a plan for every stop, then comparing that total with any regional plan that covers the same ports. Take a liner run calling Japan, Thailand and Australia inside one month. Availsim's September 2026 price check listed Airalo's 5 GB, 30-day plans at $11 for Japan, $8 for Thailand and $11 for Australia, so three separate plans come to $30 for 5 GB in each country.

Those three ports span two regions, so the regional route does not fit cleanly here. The country plans are the honest baseline, and the question becomes whether you will really use 5 GB in each port. If you only get one evening ashore per call, you may be paying for data that expires unused.

Pricing the same sequence on Yesim

You price the same run on Yesim by checking its plan for each country, then checking what the same data would cost from the wallet. The reviews we read do not give dated Yesim prices for those three countries, so open the Yesim app on crew WiFi and price them yourself the week before sign-on. The figure to compare against is the Airalo total above.

Second check: how long between port calls?

The gap between port calls is what most often decides the choice for deep-sea crew. Look at your rotation and work out the longest stretch with no shore signal. If that stretch is long, a plan with a calendar-day clock can run out while you are still at sea.

This is where Yesim's wallet stands apart. eSIM Verdict (read 18 October 2026) reports that the wallet works in 170+ countries, has 12-month validity, and does not expire during that period. In practice, a balance you load in one port can still be there for a call several weeks later on another continent. That suits tramp trades and bulk carriers that do not know their next port far in advance.

Airalo's fixed plans work the other way round. Expatica's review (read 18 October 2026) reports no rollover of unused data, so whatever is left when the validity ends is gone. On a tight coastal run that rarely matters. On a long passage it can turn a cheap plan into an expensive one.

The uncompromised.travel comparison (read 18 October 2026) fits this pattern, finding Yesim generally cheaper for validity of 15 days or longer. Seafarers face that situation more often than almost any other traveller.

A word on Yesim's unlimited plans

Yesim's unlimited plans are harder to plan around than they sound. eSIM Verdict noted on 18 October 2026 that these plans carry a daily high-speed allowance, and that the allowance was not published. You cannot tell in advance how much fast data you get each day in port. If you need to push a big download or a video call through a short port window, a fixed-GB plan is easier to plan for.

Third check: what do you need besides data?

Work out what else your phone has to do in port, because neither provider gives you an ordinary mobile number on its standard data plans. Roami's Airalo review (read 18 October 2026) warns that data-only service cannot receive bank verification codes. If your bank texts a code when you log in from a new country, a data eSIM will not catch it.

Yesim sells virtual numbers for SMS from about $3.60 a month, according to eSIM Verdict on 18 October 2026. The review does not say which banks or services accept those numbers. Treat it as a way to receive ordinary texts, and keep your home number alive for anything to do with money. Our guide to keeping your home number and 2FA codes working on a long contract shows how to keep that line alive cheaply.

Two more points belong in this check. The first is phone changes: eSIM Watchdog (read 18 October 2026) reports that an Airalo eSIM cannot be moved to a new phone after a device upgrade. If you plan to buy a new handset in a port with good prices, use up the old plan first. The second is hotspot use for a laptop: Expatica (read 18 October 2026) notes that whether tethering is permitted varies by plan, so read the plan page if you mean to share data with a laptop or a cabin mate.

Fourth check: what is your fallback when a plan fails at the gangway?

Your fallback is the second eSIM you install before arrival, because both providers have reported failures and port time is too short to fix a dead plan. eSIM Watchdog (read 18 October 2026) reports that some Airalo eSIMs fail on arrival and that setup can be fiddly. Esim-urlaub (read 18 October 2026) collected Yesim reports of eSIMs that did not work, weak speeds on the US East Coast despite a 5G icon, and refunds that took a while.

Support is the other half of the fallback. Expatica (read 18 October 2026) reports slow Airalo customer support that may lean heavily on chatbots, along with refund complaints. Neither problem gets solved in the few hours between the gangway and the agent's car.

The practical answer is to hold one provider as your main plan and the other as a cheap backup. For example, Airalo country plans can cover the busy ports, with a small Yesim wallet balance kept for the stop where the main plan will not connect. Install both while the ship is still on crew WiFi, since installation needs a data connection. If you get caught out, our guide on topping up or installing an eSIM with no WiFi covers the workarounds.

Pros and cons on a crew rotation

Both providers have real strengths and real weak spots for seafarers. The lists below keep the source and date with each figure.

Airalo pros

• Regional plans for busy coastal runs. Uncompromised.travel (read 18 October 2026) found Airalo generally better for trips crossing four or more destinations.
• Cheap single-country plans for short calls. Availsim's September 2026 check listed Thailand at $8 and Mexico at $13 for 5 GB over 30 days.
• A very wide catalogue. Reviews read on 18 October 2026 put coverage at roughly 192 to 195 countries, depending on how the reviewer counts.

Airalo cons

• Unused data disappears. Expatica's review (read 18 October 2026) reports no rollover, which hurts on long passages.
• No transfer to a new phone. eSIM Watchdog (read 18 October 2026) reports that an Airalo eSIM cannot be moved after a device upgrade.
• Regional plans can cost more than country plans. Esim.compare (read 18 October 2026) found a $37 regional Europe plan next to country plans of roughly $15 to $18 for the same 10 GB.
• Support and refunds draw complaints. Expatica reports chatbot-heavy support and refund complaints, and eSIM Watchdog reports confusing top-up rules.

Yesim pros

• A wallet that survives long passages. eSIM Verdict (read 18 October 2026) reports a wallet balance that lasts 12 months across 170+ countries.
• Low cost per GB on a big plan. eSIM Watchdog (read 18 October 2026) reported 30 GB over 30 days for $20.
• Small top-ups for short calls. eSIM Verdict (read 18 October 2026) listed Europe entry pricing at about $4.50 for 1 GB.
• An optional SMS number. eSIM Verdict lists virtual numbers from about $3.60 a month.

Yesim cons

• Unlimited plans hide their speed limit. eSIM Verdict (read 18 October 2026) found the daily high-speed allowance unpublished.
• Patchy performance reports. Esim-urlaub (read 18 October 2026) collected reports of weak US East Coast speeds and eSIMs that did not work.
• Fewer fixed plans. eSIM Verdict (read 18 October 2026) counted fixed plans in 147 of the 200+ destinations Yesim claims, so some ports may only be covered by the wallet.
• Slow refunds. Esim-urlaub's collected reports say refunds took a while.

Who should not buy either one

Some crew are better served by a different setup altogether. If your bank, your crewing agency or your family relies on texts and calls to one number, neither data eSIM should be your only line. Keep a home SIM or a number-keeping service for that job and treat the eSIM as data only.

If your phone is carrier-locked or has no eSIM support, neither app helps until that is fixed. Check it at home before the flight to the ship, not in the first port.

If your vessel spends the whole contract trading along one country's coast, a single-country plan or a local prepaid SIM from the port agent's area is worth pricing first. A multi-country tool solves a problem you do not have. And if you need heavy laptop tethering every port call, read the tethering terms of each plan first, since Expatica (read 18 October 2026) notes they vary.

FAQ

Can one Airalo or Yesim eSIM cover my whole rotation?

A regional or global Airalo plan covers several countries on one install, and Yesim's wallet is meant to be spent across many countries from one balance, according to eSIM Verdict's review read on 18 October 2026. Whether one plan covers every stop depends on that plan's country list. Check each port country against the list before sign-on, and add a single-country plan for any port that is missing.

Which is cheaper when port calls are weeks apart?

Yesim usually comes out ahead when your data has to last a long time. Uncompromised.travel concluded on 18 October 2026 that Yesim was generally cheaper for validity of 15 days or longer, and eSIM Verdict reported on the same date that its wallet lasts 12 months. Airalo's fixed plans end on their validity date with no rollover of unused data, according to Expatica.

Can I receive bank verification codes on these eSIMs?

You should not count on it. Roami's Airalo review, read on 18 October 2026, warns that data-only service cannot receive bank verification codes. Yesim sells SMS virtual numbers from about $3.60 a month according to eSIM Verdict on the same date, but keep your home SIM active for banking.

What happens to my Airalo eSIM if I change phones mid-contract?

eSIM Watchdog reported on 18 October 2026 that an Airalo eSIM cannot be moved to a new phone after a device upgrade. If you plan to replace your phone during the contract, use up the current plan first. Otherwise, budget for a new plan on the new handset.

Is Yesim's unlimited data really unlimited at full speed?

Yesim's unlimited plans carry a daily high-speed allowance, and eSIM Verdict noted on 18 October 2026 that the allowance was not published. So you cannot know in advance how much fast data you get each day. For big downloads or video calls in a short port window, a fixed-GB plan is easier to rely on.

Related reading

• How much eSIM data a seafarer really needs per port call
• What happens to unused eSIM data when a plan or contract ends
• Why an Airalo eSIM can fail to activate when you board a ship

Verdict

Choose by the shape of your rotation, since neither brand is the better one in general. Tight coastal runs through several neighbouring countries suit Airalo, as long as you check that the regional plan really beats the country plans for your ports. Deep-sea and tramp trades with long gaps between calls suit Yesim's wallet, which reviewers report keeps a balance for months. On either rotation, keep the other provider installed as a backup, and keep your home number for banking.

Airalo is a partner of this site, and if your sums point to it, buying through this Airalo link earns the site a commission.

About the author

Sea Current Tech is written by a working marine engineer who has signed on and off ships across many ports and knows how short a port window really is. This piece is built from published third-party reviews, and we did not test either app ourselves. The list below the article shows where each figure came from and when we read it. That is the honest basis for this advice on how to choose between Airalo and Yesim for a multi-country rotation.

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