Travel connectivity has become easier than ever. Tools such as VPNs and eSIMs make it possible to stay connected almost immediately after arriving in a new country.

eSIMs, in particular, have become increasingly popular among travelers. Being able to activate mobile data without visiting a store or swapping physical SIM cards can simplify the start of a trip.

The difficulty is choosing the right provider. There are many options, and many comparisons claim there is a single “best” eSIM.

In reality, the right choice depends on where you’re traveling, how long you’re staying, and how much data you need.

This travel eSIM comparison covers six popular providers and the trade-offs between them. For more help choosing, setting up, or using an eSIM, explore our eSIM guides, reviews, and comparisons.

How We Compared These eSIMs

There is no universal “best” eSIM. As with most digital products, providers come with trade-offs.

We compare these eSIM brands across several practical categories to highlight where they perform well, where they fall short, and the type of traveler they are best suited for.

Evaluation Criteria

• Pricing Structure: Short-term vs longer plans, cost per GB where relevant, and transparency around renewals.
• Coverage: Country availability and the strength of regional plans.
• Plan Types & Data Allowances: Fixed data vs unlimited options, validity periods, and fair use policies.
• Ease of Installation & Activation: App experience, QR setup, and clarity around when plans start.
• Hotspot Support: Whether tethering is allowed or restricted.
• Transparency & Support: Refund policies, clear plan limitations, and customer support access.

The table below summarizes how these eSIMs compare.

Travel eSIM Comparison Table

eSIM	Strengths	Weaknesses	Best for
Airalo	Flexible plans, calls/SMS options, strong regional plans	Refund restrictions, lower full-speed allowance on unlimited plans	Broad plan choice, regional travel, calls/SMS
Holafly	Unlimited plans, flexible durations, regional options	Pricier, hotspot limits, unclear fair use policy	Unlimited data, flexible trip lengths, regional travel
Saily	Strong unlimited plans, security features, Ultra plan	Limited duration options on fixed-data plans	Unlimited data, privacy-focused travelers
Nomad	Strong pricing, long-term bundles, free trial	Daily throttling on unlimited	Flexible, price-conscious users
Breeze	Clear spped limits, no app required	Limited coverage	Straightforward country plans
Revolut	Easy for Revolut users, integrated billing, Ultra perk	Data-only, locked device, plan availability varies by market	Existing Revolut customers

Airalo

What it does well

Airalo is one of the most established travel eSIM providers, offering country-specific, regional, and global plans. Plan durations are flexible, ranging from as little as 3 days to long-term global options that can extend up to 365 days, depending on the plan.

Data packages typically range from 1GB up to 50GB for country-specific plans. Airalo also offers unlimited plans for many popular destinations, subject to fair use policies. Regional and global plans are available too, including packages that support calls and texts in addition to data.

Airalo is managed primarily through its mobile app, available on iOS and Android. Installation can be completed directly in-app, via QR code, or manually. Airalo also provides a device compatibility check on its website before purchase. Activation typically begins once the eSIM connects to a local network. Hotspot use is supported.

Airalo partners with major local networks in many countries, which generally results in stable performance.

Where it falls short

Not all plans support top-ups, and refunds are typically limited to cases where service issues are caused by the provider.

Unlimited plans are subject to fair use policies, with full-speed data typically limited to 2–3GB per day before speeds are reduced. Some regional and global plans may have auto-renewal enabled by default, which requires attention during purchase

Airalo’s pricing is broadly in line with other major travel eSIM providers. Local SIMs can be cheaper, particularly for longer stays, but require more setup and aren’t always as convenient.

Best suited for

Airalo works well for travelers who want a broad choice of fixed and unlimited plans, flexible durations, and strong regional options. It is also one of the better choices for travelers who want calls and texts rather than a data-only eSIM.

Holafly

What it does well

Holafly uses a different pricing model from most competitors. Instead of offering multiple fixed data packages, it focuses primarily on unlimited data plans. You select your destination and the number of days you need, and the price adjusts accordingly.

This structure is simple and predictable. It removes the need to estimate how much data you will use and lets you match the plan duration to the length of your trip. In some cases, very short unlimited plans can be competitively priced compared to small fixed-data packages from other providers.

Holafly offers country-specific plans, along with a wide range of regional plans and two global plans. It partners with local network providers and supports 4G and 5G where available. Installation is done via QR code or manual setup, and plans typically activate once you arrive and enable the eSIM. Hotspot use is allowed.

Holafly also offers a longer refund window than many competitors and provides 24/7 customer support.

Holafly also includes its Always On benefit with every eSIM. This provides 1GB of data every 30 days in more than 150 countries as long as you keep the eSIM installed. The allowance resets each month and does not roll over.

Where it falls short

Although Holafly markets unlimited data, usage is subject to fair use policies applied by local network providers. The exact thresholds are not always clearly disclosed, and speeds may be reduced after heavy usage. Hotspot usage can also be limited depending on the plan and destination.

Holafly does not offer lower-data tiers for travelers who only need a few gigabytes over a longer period. If you expect light or moderate usage, fixed-data providers may be more cost-effective.

Most plans are data-only, and local phone numbers are generally not included, except in specific global options.

Best suited for

Holafly works well for travelers who prioritize unlimited data, flexible trip durations, and regional travel. It may appeal particularly to travelers who do not want to monitor data usage. For lighter users, however, its unlimited-first pricing model can be less cost-effective than fixed-data alternatives.

Saily

What it does well

Saily offers country-specific, regional, and global plans. Fixed-data packages typically come with 7- or 30-day validity periods, with data tiers ranging from 1GB to 20GB. Unlimited plans are also available across many popular destinations, with more flexible duration options depending on the location.

Unlimited plans include 5GB of full-speed data per 24-hour period, after which speeds are reduced until the cycle resets. This is a higher daily full-speed allowance than Airalo’s unlimited plans, while Saily also clearly defines the threshold upfront.

Unlimited plan durations vary by destination. Japan currently offers particularly flexible options from 1 to 30 days, while destinations such as Spain and the UK offer a smaller selection of durations.

In addition to standard plans, Saily offers a premium “Ultra” subscription tier. Ultra includes 30GB of high-speed global data per month, unlimited data at reduced speeds afterward, and bundled services such as a NordVPN subscription and additional perks. This gives frequent travelers an alternative to purchasing individual eSIM plans for each trip.

Installation is handled primarily through the app, and Saily does not impose a specific hotspot data limit. Saily also offers the option to add a US phone number to selected eSIM plans for an additional fee.

Where it falls short

Saily’s fixed-data plans offer less flexibility than some competitors, with validity generally limited to 7 or 30 days. Airalo and Revolut offer a wider range of validity periods for fixed-data plans.

The Ultra subscription is significantly more expensive than standard travel eSIMs and only makes sense if you can take advantage of its recurring data allowance and bundled benefits.

Best suited for

Saily works well for travelers who want unlimited data with a clearly defined high-speed allowance, as well as users who value its additional security features. The Ultra tier may appeal to frequent travelers or digital nomads who value having global data and VPN access bundled into a single subscription.

For a closer look at the service and our experience using it in São Paulo, see our Saily eSIM review.

Nomad

What it does well

Nomad offers coverage in over 200 destinations, along with 11 regional plans and multiple global options. Country-specific plans typically include fixed data packages ranging from 1GB up to 50GB, with validity periods such as 7 or 30 days. In many locations, pricing for fixed plans is competitive.

Nomad also offers unlimited plans in selected countries. These plans include a defined daily high-speed allowance, after which speeds are reduced for the remainder of the 24-hour period. The limits are clearly stated, which helps set realistic expectations.

A notable differentiator is Nomad’s free trial for new users in selected destinations. This includes 1GB of data for a limited period without requiring a credit card, allowing users to test compatibility and network quality before committing to a paid plan.

Nomad provides regional and global bundles with longer validity periods, including options valid for 180 or 365 days across defined country groups. This structure may appeal to frequent travelers who prefer longer-term data options rather than repeatedly purchasing short-duration plans. Hotspot use is supported, and installation can be completed automatically, via QR code, or manually.

Where it falls short

Unlimited plans are subject to daily speed caps before throttling. While clearly defined, heavy data users may find the limits restrictive.

Most plans are data-only and do not include a local phone number. Coverage depends on the specific regional or global bundle selected, as not all countries are included in every plan.

Plans must be activated within a defined window after purchase, and may automatically activate if unused after that period.

Best suited for

Nomad works well for travelers who want competitively priced fixed-data plans, transparent daily limits on unlimited options, or the ability to test a provider before committing. It may also suit frequent travelers looking for longer-validity regional or global bundles.

Breeze

What it does well

Breeze offers coverage in over 100 countries, along with six regional plans and a global option. Country-specific plans are structured around fixed data packages, typically valid for 30 days. For example, in Spain, plans include 5GB, 10GB, and 20GB options with clearly displayed pricing.

Unlimited plans are also available in selected countries. Breeze clearly states the high-speed data thresholds associated with these plans. For example, certain unlimited options include a defined amount of high-speed data over a set number of days, after which speeds are reduced. The limits are disclosed upfront.

Hotspot use is supported. Installation is completed via QR code or through the user account after purchase. Breeze operates through its website and does not offer a dedicated mobile app.

Network partners are clearly listed for many destinations, which helps set expectations around local coverage.

Where it falls short

All Breeze plans are data-only and do not include local phone numbers.

Some popular destinations, including Japan, China, and Korea, are not currently supported.

Global and unlimited plans are available, but travelers should review the specific data thresholds and validity periods carefully before purchasing.

Best suited for

Breeze may suit travelers who want clearly defined data limits, straightforward fixed plans, and a web-based purchase process. It may be less suitable for users who prefer managing their eSIMs through a dedicated app or who require coverage in currently excluded destinations.

Revolut

Revolut’s eSIM is structurally different from the other providers in this comparison. It is not a standalone travel eSIM app, but a feature integrated into the Revolut banking app and available only to Revolut users. It is included here because it represents a growing trend: financial platforms bundling connectivity into broader subscription ecosystems.

What it does well

Revolut offers country-specific, regional, and global travel eSIM plans. In the account we tested, the available options used fixed data allowances, although Revolut also documents unlimited travel plans in some markets. Plans are data-only and purchased directly in the Revolut app.

The main advantage is convenience for existing users. There is no need to download a separate eSIM app or create a new account. Everything is managed within the same interface used for payments and banking.

For users subscribed to Revolut Ultra, the value proposition changes significantly. Ultra subscribers receive a monthly 3GB global eSIM allocation, which must be activated manually each month. For those already paying for Ultra, this makes the eSIM a built-in benefit rather than a separate expense.

Revolut’s auto-renew logic is also different from most competitors. If enabled, the same plan is automatically repurchased when your data runs out, up to once per day. Auto-renew can be disabled at any time in the Revolut app.

Where it falls short

The eSIM is locked to the device on which it is purchased and cannot be transferred to another device.

Plans are data-only and do not include local numbers, voice, or SMS functionality. In the account we tested, only fixed-data plans were available, although Revolut also documents unlimited travel plans in some markets.

Pricing is displayed only within the app after device compatibility is confirmed, which makes external comparison more difficult. Refunds are limited, particularly once more than 500MB of data has been used.

Revolut does not clearly specify whether 5G or hotspot use is supported, making some technical details harder to verify than with dedicated eSIM providers.

The product is only available to Revolut customers, which restricts its relevance for users outside that ecosystem.

Best suited for

Revolut’s eSIM is best suited to existing Revolut users who want a simple, integrated data option without signing up for another service. It is particularly relevant for Ultra subscribers who already receive monthly data as part of their plan. If unlimited data is important, check what Revolut offers in your account, as availability varies by market. It may still be less suitable for travelers who need calls and texts or multi-device flexibility.

Which eSIM Makes Sense For You

There probably isn’t a single “best” eSIM. The right option depends on how and where you travel.

If you’ve never used an eSIM before and want to test one without much financial risk, Nomad stands out for offering a small free trial in selected destinations.

For travelers who want unlimited data with a clearly defined high-speed allowance, Saily stands out with 5GB of full-speed data per day before speeds are reduced. It also includes additional in-app security features.

If your priority is unlimited data, flexible plan durations, and not having to monitor usage during your trip, Holafly’s structure may suit you better.

Airalo is one of the most flexible choices if you want a broad range of plan types, including fixed data, unlimited data, and options with calls and texts.

If you already use Revolut, its eSIM offers the convenience of buying and managing data without another app or account. It is particularly attractive to Ultra subscribers, who receive 3GB of global eSIM data each month.

Ultimately, the right eSIM is the one that fits your itinerary, data needs, and budget. The goal isn’t to pick the most popular option, but the one that makes your travel experience simpler and more predictable.

Final Thoughts

eSIMs can genuinely make traveling simpler. Landing in a new country with mobile data already working is a clear upgrade from relying on airport WiFi just to book transport or contact your accommodation.

At the same time, like any travel tool, eSIMs come with limitations. Pricing structures, activation rules, fair use policies, and plan options vary between providers. What works well for one trip may not be the right choice for another.

If you decide to use an eSIM, take a few minutes to match the provider and plan to your itinerary and data habits. Look beyond marketing claims and check the details that actually matter for your trip.

A bit of planning upfront usually prevents frustration later.