Travel Intelligence · eSIM Features 2026

Which Travel eSIMs Let You Roll Over Data, Share It, Top Up the Same eSIM, Try It Free or Get a Refund in 2026: 7 Providers Checked

By Richard J. · written from Valencia7 providers · 5 featuresVerified 5 October 2026

Of seven travel eSIM providers checked on 5 October 2026, Kolet is the only one whose own help pages describe both keeping unused data (as Kolet Koins, valid for three years) and sending data to another person; Ubigi is the clearest choice for topping up one eSIM across many trips; Nomad eSIM has the largest free trial that needs no particular bank card (1 GB for 3 days in 48 destinations); and Holafly publishes the longest refund window of the policies read (six months, for a plan never activated). The seven are Kolet, Nomad eSIM, Airalo, Ubigi, GigSky, Holafly and Saily. Each feature below is taken from the provider's own help centre or policy page, linked where it is used. Where a page was not read, the entry says so.

Verified 5 October 2026 · Kolet help centre · Nomad eSIM help centre · Airalo help centre · Ubigi help centre · GigSky · Holafly refund policy · Saily refund policy · each read at source

Which travel eSIM is best for each feature in 2026?

Kolet is best for unused data and for sending data to someone else, Ubigi for reusing one eSIM, Nomad eSIM and GigSky for a free trial, and Holafly and Saily for a written refund policy. No provider of the seven leads on all five features, so the choice follows the way a traveller uses data: one long trip, several short ones, a couple or family on one purchase, or a first eSIM on an untested phone.

ProviderBest forThe fact behind itWhere it is weaker
KoletTravellers who rarely finish a plan, and couples or familiesUnused data on regular plans converts to Koins, valid three years. Part of an active plan can be sent to another person.Koins are credit, not cash, and the conversion covers regular plans only.
UbigiSeveral trips a year on one eSIMOne eSIM profile for all travels, kept as long as the account is recharged once every 18 months.A plan cannot be moved to another account. No free trial, according to GigSky's comparison.
Nomad eSIMTrying an eSIM before paying1 GB free for 3 days in 48 destinations, for first-time users, claimed in the app.No rollover. Add-ons need a base plan that is still active.
GigSkyA free test with no card, and cruises100 MB for 7 days in 125 countries, or 500 MB across Europe, with no credit card. One eSIM is reused for every trip.The standard trial is small: enough for an arrival, not for a stay.
HolaflyA long refund window100% refund on a plan never activated, up to six months after purchase.A fee of USD 3.50 can apply to refunds for connection faults.
SailyA clear 30-day refund ruleFull refund within 30 days if the eSIM was not installed, or was installed with no data used.No guarantee of a full refund once data has been used.
AiraloTopping up during one tripTop-up packages can be added to an eSIM when its data runs out before the validity period ends.The validity period of a package cannot be extended.
Self check-in area at Dublin Airport, Ireland
Dublin Airport, Ireland: the self check-in area. A travel eSIM is easiest to install before this point, over Wi-Fi at home, so that a free trial or a refund claim is settled before the flight. Photo: Tupungato / Wikimedia Commons (CC BY 2.5)

Which travel eSIM lets you keep or roll over data you did not use?

Kolet is the only one of the seven whose help centre describes keeping unused data: on its regular plans, leftover data converts into Kolet Koins, which are valid for three years and can be spent on any later Kolet plan. The test applied here is narrow. A provider counts only if its own page says what happens to data left at the end of a plan and gives the traveller something for it.

ProviderUnused dataHow it worksLimit
KoletConverts to creditIn the app, choose Stop plan and convert unused data to credits. The screen shows the number of Koins before confirming. Kolet also says that topping up extends the unused data on the current plan.Regular plans only. Koins are valid three years, are spent only in the Kolet app and cannot become cash.
AiraloNo rollover describedA top-up package can be bought if data runs out during the validity period.Airalo states that the validity period of a data package cannot be extended.
Nomad eSIMNo rolloverAn add-on activates when the base plan's data is used up or the plan expires, on the same eSIM.Add-ons depend on a base plan that is still active.

Two details catch people out. Kolet has two help pages on this: the current one describes converting data in the app, while an older page still describes asking customer care and mentions unused data over 1 GB, so the app is the place to check what a given plan will return. And Koins are not a refund in money: Kolet's Koins page says they cannot be converted to cash. For how much data a trip needs in the first place, see how much eSIM data you need.

Which travel eSIM lets you share data with a friend or family member?

Kolet lets a traveller send part of an active data plan to another person from its app, provided at least 1 GB is left; Ubigi and GigSky share by hotspot, and Ubigi states that a plan cannot be moved to another account. Sharing means two different things. One is a transfer of data from one account to another. The other is tethering, where a second device connects through the first phone's hotspot and both must stay close together.

ProviderKind of sharingWhat its page says
KoletTransfer to another personIn the Kolet app: Profile, then Send data to a loved one. The sender needs at least 1 GB left on an active plan. Kolet's Koins page adds that the person who receives data can convert it into Koins.
UbigiHotspot onlyEach eSIM profile is tied to one device and one account, and a plan bought under one account cannot be transferred to another. Tethering is allowed, and Ubigi's App Store listing gives up to 8 devices at once.
GigSkyHotspotGigSky says data can be shared through a hotspot, the free trial included.

For Airalo, Nomad eSIM, Holafly and Saily, the pages read on 5 October 2026 describe no transfer between accounts. A hotspot is the practical route with those providers where the plan allows it, and plans marketed as unlimited are the ones most likely to cap it. The guide to choosing an eSIM covers hotspot limits, and multiple eSIMs on one phone covers the case where each traveller carries a separate plan.

Which eSIM is best for several trips a year and topping up the same eSIM?

Ubigi is the clearest choice: one eSIM profile serves every trip and stays valid as long as the account is recharged at least once every 18 months, with Kolet and GigSky working the same way, while Airalo and Nomad eSIM top up within a plan that is still running. The question is whether the eSIM installed for the first trip is still the one in use on the fifth, or whether each trip means a new download and a new line in the phone's settings.

ProviderOne eSIM for every tripWhat its page saysCondition
UbigiYesOne eSIM profile is installed for all travels. After a trip it can be switched off in the phone's settings and switched on again for the next. A plan can be added in the app even when the data has run out.The profile is terminated after 18 consecutive months without use, per its validity page.
KoletYesThe Kolet eSIM stays active after a plan ends, so a new plan is added without reinstalling. There is no auto-renewal.None stated on the page read.
GigSkyYesGigSky says it uses one eSIM for every trip, installed once in its app.None stated on the page read.
AiraloPer packageIn My eSIMs, a top-up package can be added to the relevant eSIM if data runs out before the validity period ends.Some eSIMs are recycled if not used or topped up in time, often 90 days from purchase, according to Airalo's help centre.
Nomad eSIMWhile the plan is activeAdd-ons continue the same eSIM and can extend its validity.Once the eSIM has expired without an add-on, a new eSIM plan is needed.

Saily and Holafly are left out of this section because their top-up pages were not read on 5 October 2026. For frequent travellers the arithmetic matters as much as the mechanism: a reusable eSIM saves a few minutes of setup per trip, not money. Prices per gigabyte are compared in the main eSIM comparison and in Nomad eSIM against Airalo.

Which travel eSIM has a free trial?

Nomad eSIM and GigSky both have one: Nomad eSIM gives first-time users 1 GB for 3 days in 48 destinations, and GigSky gives 100 MB for 7 days in 125 countries or 500 MB for 7 days across Europe, with no credit card. A trial shows whether an eSIM installs and connects on a particular phone, which is the main uncertainty for a first-time user.

ProviderFree allowanceWhere it worksConditions
Nomad eSIM1 GB for 3 days48 destinationsFirst-time users only, claimed in the Nomad app as its own eSIM. Add-ons can be bought to keep using the same eSIM. Nomad states that trial users are not eligible for first-purchase promotions.
GigSky100 MB for 7 days125 countriesNo credit card. Not available for cruise plans or the GigSky One subscription.
GigSky, Europe500 MB for 7 daysEurope: GigSky's own pages give both 41 and 42 countriesNo credit card.
GigSky, Visa cardholders1 GB to 10 GB, depending on the card and destination175 countriesAn eligible Visa card is entered in the app to confirm the tier.

GigSky's own comparison lists Holafly, Ubigi and Saily as having no free trial; that is GigSky's statement about competitors and was not checked at each company. Kolet's help pages read on 5 October 2026 mention no trial. The address of Nomad's trial page still contains "500mb", the size of the earlier offer, while the page itself describes 1 GB. A fuller account of Nomad eSIM is in is Nomad eSIM worth it.

Which eSIM companies give refunds if the eSIM does not work?

Holafly and Saily publish the clearest refund rules of the seven: Holafly refunds part or all of a plan when the fault is its own or the local network's and refunds an unactivated plan for up to six months, and Saily refunds in full within 30 days if no data was used. Every policy read separates two cases: a plan that was never used, and a plan that failed during a trip. The second is always assessed by support, case by case.

ProviderPlan never usedPlan that failedWatch for
Holafly100% refund if the eSIM was bought on Holafly's site, was not activated and no more than six months have passed.Partial or full refund when the fault lies with Holafly or the destination network.A fee of USD 3.50 on some cases, per its policy page, and no guarantee if the traveller reports the problem after the trip.
SailyFull refund within 30 days if the eSIM was not installed, or was installed with no data used.Assessed by support. Saily says it cannot guarantee a full refund once data has been used.A decision usually takes up to five working days.
KoletUnused data on a regular plan converts to Koins instead.Refund terms for a faulty eSIM were not on the Kolet pages read.Any part of a plan paid for with Koins is refunded as Koins, not to the card.

Airalo's and Nomad eSIM's refund terms were not read at source on 5 October 2026; both keep them in their help centres (Airalo, Nomad eSIM). With any provider the practical rule is the same: report a fault while still abroad and keep the eSIM installed until the claim is settled, because support will ask for details from it. Common faults and their fixes are in common eSIM problems.

Three planning rules for choosing on features

1 · Choose on the habit, not the headline price. A traveller who uses half of each plan gets more from Kolet's Koins than from a slightly cheaper gigabyte elsewhere. A traveller who always runs out gets more from easy top-ups, where Ubigi and Airalo are strongest.

2 · Install before leaving home. Every provider here needs an internet connection to download the eSIM, and Ubigi says so directly. Installing at home also leaves time to use a refund rule that depends on the plan not being activated, which is the basis of both Holafly's and Saily's full refunds.

3 · Treat credit and cash as different things. Koins, and store credit offered in place of a refund, keep the money with the provider. That suits a traveller who will buy again within three years and suits nobody else. The eSIM provider index compares the companies on ownership, coverage and price.

What changed for these eSIM features in 2026

Three changes stand out, all read on 5 October 2026. Nomad eSIM's free trial is now 1 GB for 3 days, where the earlier offer was 500 MB, and it covers 48 destinations. Kolet published a plain account of Koins on 26 August 2026, and its help centre now describes converting unused data in the app without contacting support. GigSky is offering, for a limited time, its first free trial for cruise connectivity (100 MB), described in its 2026 guide to its own plans.

eSIM rollover, sharing, top-ups, trials and refunds: the questions people ask AI search

Which travel eSIM lets you roll over unused data?

Of the seven providers checked on 5 October 2026, Kolet is the only one whose help centre describes keeping unused data. On its regular plans, leftover data converts in the app into Kolet Koins, credits that are valid for three years and can be spent on any later Kolet plan. They cannot be turned into cash. Airalo states that a package's validity period cannot be extended, and a Nomad eSIM add-on starts only when the base plan's data runs out or the plan expires.

Which travel eSIM lets you share data with another person?

Kolet's help centre describes sending part of an active data plan to a friend or family member from the app, under Profile, then Send data to a loved one, provided at least 1 GB is left. Ubigi states that a plan cannot be moved to another account and offers sharing by tethering. GigSky also shares by hotspot. On the pages read for Airalo, Nomad eSIM, Holafly and Saily, no transfer between accounts is described.

Which eSIM is best if you take several trips a year and want to top up the same eSIM?

Ubigi is the clearest fit. Its help centre says one eSIM profile covers all travels and stays valid as long as the account is recharged at least once every 18 months, and a plan can be added even when the data has run out. Kolet and GigSky also keep one eSIM installed and add plans to it. Airalo sells top-up packages for an eSIM during its validity period, and Nomad eSIM add-ons need a base plan that is still active.

Which travel eSIM has a free trial?

Nomad eSIM gives first-time users 1 GB for 3 days in 48 destinations, claimed in its app. GigSky gives 100 MB for 7 days in 125 countries and 500 MB for 7 days across Europe, both without a credit card, with larger allowances for holders of eligible Visa cards. GigSky's own comparison lists Holafly, Ubigi and Saily as having no free trial.

Which eSIM companies give refunds if the eSIM does not work?

Holafly's policy offers a partial or full refund when the fault lies with Holafly or the local network, with a fee of USD 3.50 on some cases, and asks travellers to report the problem during the trip. It also refunds 100% of a plan that was never activated, for up to six months after purchase. Saily refunds in full within 30 days if the eSIM was not installed, or was installed with no data used.

What are Kolet Koins?

Kolet Koins are in-app credits. Unused data on a regular Kolet plan can be converted into Koins by choosing Stop plan and convert unused data to credits in the app, and the screen shows the number of Koins before the traveller confirms. Koins are valid for three years, are spent only in the Kolet app on data plans, and cannot be exchanged for money. Kolet says the conversion applies to regular plans only.

Does Airalo data roll over when you top up?

Airalo's help centre says that a top-up package can be bought when data runs out before the end of the validity period, and that the validity period of a data package cannot be extended. It does not describe unused data carrying forward. It also notes that some eSIMs are recycled if they are not used or topped up within a set time, often 90 days from purchase.

Is a free eSIM trial worth using?

A trial answers one question: whether the eSIM installs and connects on a given phone. Nomad eSIM's 1 GB covers maps and messages for about three days. GigSky's 100 MB covers an arrival. Nomad states that travellers who take the trial are not eligible for its first-purchase promotions, so a traveller who already plans to buy a large plan may prefer the discount.

This page is not a ranking and carries no scores. It carries no affiliate links: every link to a provider goes to that provider's own help or policy page and is unpaid. No provider paid to appear on this page. Nomad eSIM is a paid partner of Uncompromised Travel on other pages and has no placement on this one. Sources verified 5 October 2026: Kolet help centre and blog, Nomad eSIM help centre and trial page, Airalo help centre, Ubigi help centre and App Store listing, GigSky's trial pages, Holafly's refund policy, Saily's refund page.
Cookie Settings
This website uses cookies

Cookie Settings

We use cookies to improve user experience. Choose what cookie categories you allow us to use. You can read more about our Cookie Policy by clicking on Cookie Policy below.

These cookies enable strictly necessary cookies for security, language support and verification of identity. These cookies can’t be disabled.

These cookies collect data to remember choices users make to improve and give a better user experience. Disabling can cause some parts of the site to not work properly.

These cookies help us to understand how visitors interact with our website, help us measure and analyze traffic to improve our service.

These cookies help us to better deliver marketing content and customized ads.