BuddySIM vs Holafly: Which eSIM Is Better?

BuddySIM and Holafly are among the best-known providers of tourist eSIM data plans for mobile use abroad. Both providers rely on digital activation by QR code, do without physical SIM cards and are aimed at travellers who want to stay online without traditional roaming charges. This comparison looks at prices, data allowances, country coverage, activation, app features and typical use cases to show clearly when each provider is the better choice.

Short verdict: BuddySIM stands out with flexible prepaid plans, transparent management in the app and easy topping up. Holafly appeals above all to users who prefer flat-rate unlimited plans for individual countries, but who tend to pay more for them.

Quick overview: BuddySIM vs Holafly at a glance

The eSIM market for travellers is growing fast. Juniper Research expects the number of travel eSIM users worldwide to grow by around 440 percent over the next five years. Against this backdrop, BuddySIM and Holafly are positioned differently: BuddySIM relies on allowance-based prepaid plans with a clearly assigned amount of data, while Holafly has historically been known for unlimited data plans.

What is BuddySIM?

BuddySIM is a provider of prepaid tourist eSIM data plans that are activated digitally by QR code on compatible smartphones. The company is aimed at travellers who want mobile internet abroad without traditional roaming charges and without swapping a physical SIM. Everything is managed in its own BuddySIM eSIM App, where users install and activate their plans and top up their data allowance when they need to.

BuddySIM offers plans for individual countries as well as regional and global packages. Because all eSIMs are delivered digitally, there is no physical SIM to ship. After buying, customers receive the QR code directly by email or in the app. This structure follows the official GSMA eSIM Consumer Specifications, the global industry standard for eSIMs.

The target group covers both tech-savvy frequent travellers and less experienced users for whom straightforward activation without any configuration matters. According to its own product description, BuddySIM places value on transparent prices with no hidden roaming costs and a consistent user experience in the app.

What is Holafly?

Holafly is a Spanish eSIM provider that has made its name above all with unlimited data plans for destinations worldwide. By its own account it covers over 190 countries, and Trustpilot reviews frequently mention its customer support and easy setup in a positive light. Activation likewise works via QR code or app.

Holafly focuses strongly on travellers who want to stream, navigate or share videos during their trip without worrying about their data allowance. The travel eSIM comparison by Computer Bild highlights Holafly as a well-known player in the market, but also points out that unlimited plans often come with fair use clauses and restrictions on tethering.

In many countries Holafly's prices are above the market average. An independent test by Ohayu credits the provider with solid network speeds, but criticises the higher prices compared with allowance-based providers.

The key differences at a glance

BuddySIM and Holafly differ above all in plan philosophy, pricing and app functionality. While BuddySIM relies on clearly calculable prepaid data plans, Holafly takes a flat-rate approach with an unlimited allowance at limited speed or under a fair use rule.

Price and plan model

BuddySIM offers allowance-based prepaid plans whose prices depend transparently on the amount of data and the validity period. You only pay for the allowance you actually need, which is particularly economical on short trips or for targeted use. Holafly, by contrast, charges a flat rate per day, which does have the advantage that you never have to worry about remaining gigabytes, but often works out more expensive.

The eSIM comparison by Reiseuhu finds that the cost of Holafly's unlimited plans is significantly higher than that of allowance-based providers in many regions. For price-sensitive travellers, BuddySIM has a clear advantage here: if you know that you browse fairly moderately on holiday, you generally pay less with BuddySIM. Holafly mainly pays off for users with very high data needs or frequent streaming.

Data allowance and validity period

BuddySIM's range is tiered from small 1 GB packages up to generous data plans for long-term travellers. The validity period is flexible and usually starts with your first use in the destination country. You can monitor your allowance in the app at any time and top it up when you need to, without having to install a new eSIM profile.

Holafly advertises an unlimited data allowance, which looks attractive at first glance. In practice, however, there are often fair use limits or speed throttling above a certain level of use, as independent tests by Ohayu describe. Unlike Holafly, BuddySIM states its data allowance precisely and without hidden throttling clauses, which is more transparent for many users.

Country coverage and regions

Both providers cover the majority of all relevant destinations. Holafly emphasises its availability in over 190 countries and positions itself strongly on single-country plans. BuddySIM also offers broad global coverage, but adds regional packages that span several countries, for example for Europe, Asia or Latin America.

For travellers within the EU, the starting point is a special one: the European Commission states that "Roam like at home" has applied in the EU since 2017, which puts the need for a travel eSIM within the EU into perspective. If you travel outside the EU, though, especially in North America, Asia or Africa, you save considerably with BuddySIM or Holafly compared with traditional roaming.

Activation and setup

With both providers, activation works via a QR code that you receive after purchase. The process generally takes just a few minutes and follows the standardised procedure that the GSMA eSIM Consumer Specifications lay down. You need an eSIM-capable smartphone, which is the case for current models from Apple, Samsung, Google and other manufacturers.

BuddySIM guides users through the installation process in its own app, which is a noticeable advantage especially for less technical users. Setup with Holafly is straightforward too, but is more often done manually in the smartphone's system settings. BuddySIM's app-based approach reduces typical sources of error such as incorrect APN settings.

App, management and topping up

The BuddySIM eSIM App bundles purchase, installation, data monitoring and topping up into a single interface. You can see your remaining allowance at any time and add more data when you need to, without activating anything again. Unlike Holafly, where extending an unlimited plan often means buying a completely new package, your existing eSIM stays active with BuddySIM.

Holafly also offers an app, though its feature set varies depending on the plan. On unlimited plans a classic "top up your data allowance" is less relevant by design, but more granular control options are missing as a result. For users who value precise control over consumption and validity period, BuddySIM is the more practical solution.

Who is BuddySIM right for?

BuddySIM suits travellers who prefer a transparent, prepaid-based eSIM plan with a clear allowance and cost structure. It particularly benefits users who can realistically estimate their data allowance and don't want to pay a flat rate for an unlimited data allowance they won't actually use up.

• Short trips and city breaks: If you're flying to London, New York or Bangkok for a weekend, you rarely need more than 1 to 3 GB. BuddySIM offers suitable small packages at low prices.
• Less technical users: The guided installation in the BuddySIM app makes setup easy even for first-time users.
• Frequent travellers who need regions: Regional packages cover several countries in a single plan and save you rebooking when you cross a border.
• Price-sensitive users: If you keep your data use manageable, you generally pay less with BuddySIM than for Holafly's unlimited plans.
• Users who need hotspot/tethering: Because BuddySIM works with a clearly assigned allowance, tethering is unproblematic and is not restricted the way it is on some unlimited plans.

Business travellers also benefit from being able to manage several eSIMs side by side in the app, for example a private and a work number on the same device.

Who is Holafly right for?

Holafly mainly suits travellers with very high data use and a clear preference for flat-rate plans. If you stream videos for several hours a day, run large cloud uploads or share a lot of media as a content creator, you can benefit from an unlimited approach, provided you don't exceed the fair use limits.

• Streaming-heavy users: If you get through several gigabytes a day on holiday, Holafly's unlimited offers are a predictable alternative.
• Travellers who don't want to think about their allowance: Holafly's per-day model takes away the worry of suddenly being left without data on the road.
• Single-country focus: For trips to one specific country, Holafly offers a very broad country portfolio.

For most typical travel scenarios, though, especially short to medium-length trips with normal usage, BuddySIM is more attractive on price and more flexible.

Pros & Cons of both providers

BuddySIM: pros and cons

BuddySIM stands out in several core areas that are decisive for everyday use while travelling.

• Pro: Transparent prices with a clearly defined data allowance.
• Pro: Own app with guided installation, topping up and a usage display.
• Pro: Flexible regional packages for frequent travellers.
• Pro: Hotspot/tethering with no blanket restrictions.
• Con: No classic unlimited plan for extremely heavy users, which can matter for certain groups.

Holafly: pros and cons

Holafly has established itself above all in the segment of flat-rate unlimited plans.

• Pro: Unlimited data allowance in many countries (with fair use).
• Pro: Very broad country coverage.
• Pro: Established brand with extensive customer support.
• Con: Higher prices than allowance-based providers.
• Con: Tethering and hotspot restricted on some plans.
• Con: No flexible topping up as with BuddySIM; if you need more, you buy a new plan.

Market context: why eSIM plans are becoming more important

The travel eSIM market is growing dynamically. Juniper Research "Travel eSIM Market 2025-2030" reports that use is shifting from traditional roaming to digital prepaid solutions, because travellers value price transparency and simple activation. The report "Global eSIMs & iSIMs Market 2025-2030" forecasts a further acceleration driven by the spread of eSIM-capable devices.

This market dynamic explains why providers such as BuddySIM and Holafly are growing at the same time while positioning themselves in different niches. For consumers, the competition mainly means falling prices and better app experiences. In Europe, the EU roaming rules already remove the need for a separate eSIM within the EU, but outside the EU the savings compared with traditional roaming are considerable.

Typical use cases compared

Short trip to New York (5 days)

A typical city break in New York uses around 3 to 5 GB with moderate use (navigation, messengers, occasional streaming). BuddySIM offers a suitable allowance package here at a fraction of the cost of a Holafly unlimited plan for 5 days. Clear advantage: BuddySIM.

Backpacking through Southeast Asia (30 days)

For a month across Thailand, Vietnam and Cambodia, a regional BuddySIM package is the right fit. You have one eSIM for all countries and can top up when you need to. Holafly would require separate plans per country here, or an expensive unlimited plan for the entire trip. BuddySIM is the more flexible and cheaper option.

Content creator in Japan (14 days)

A video producer with daily cloud uploads of 5 to 10 GB can benefit from an unlimited plan with Holafly, provided the fair use limit isn't exceeded. Alternatively, BuddySIM offers generous data plans with a clearly assigned allowance. With extremely high use Holafly scores; with medium-to-high use BuddySIM does.

Business trip to London (3 days)

For a short business trip, a 1 GB package from BuddySIM is usually enough. Using it alongside your main SIM is unproblematic, and app-based management makes setup quick. Holafly would be over-specced and more expensive for this use case.

Frequently Asked Questions about BuddySIM vs Holafly

Is BuddySIM cheaper than Holafly?

BuddySIM is cheaper than Holafly in most typical travel scenarios, because its prepaid plans are priced by data allowance. You only pay for the data allowance you actually need, whereas Holafly's unlimited plans include a flat rate that is often well above individual usage. With very high data needs, Holafly can be the more economical option.

Do both eSIMs work on every smartphone?

Both eSIMs work on all smartphones that support the GSMA eSIM standard. That includes current iPhones from the iPhone XS onwards, Samsung Galaxy models from the S20 series onwards, Google Pixel from the Pixel 3 onwards and numerous other Android devices. A look at your smartphone's technical specifications or a quick check in the settings will confirm compatibility.

How quickly is the eSIM ready to use after purchase?

With BuddySIM and Holafly, the eSIM is generally ready to use within a few minutes. After buying, you receive a QR code that you scan with your smartphone. Once scanned, the eSIM profile is installed and becomes active automatically in the destination country as soon as your device connects to the network.

Can I top up my data allowance with BuddySIM?

Yes, BuddySIM lets you top up your data allowance directly in the BuddySIM app, without having to install a new eSIM. Your existing eSIM stays active and the extra allowance is added seamlessly. That is a clear advantage over providers where a new eSIM has to be set up for every new package.

Are Holafly's unlimited plans really unlimited?

Holafly's unlimited plans generally include fair use clauses or speed throttling above a certain level of daily use. That means there is no absolute data limit, but the speed can be reduced once a threshold is exceeded. Details vary by destination country and are set out in the plan terms.

Does a travel eSIM make sense within the EU?

Within the EU a travel eSIM is usually not necessary, because according to the European Commission the "Roam like at home" principle applies. Travellers can use their home SIM at no extra cost. Outside the EU, however, for example in Switzerland, the UK, the USA or Asia, eSIM plans save considerably compared with traditional roaming.

Can I use BuddySIM and Holafly side by side?

Yes, modern eSIM-capable smartphones support several eSIM profiles at the same time. You can install both BuddySIM and Holafly on the same device and switch between the profiles depending on your destination or your needs. In active use, though, only one eSIM is generally in service at any one time.

What happens when I use up my data allowance?

With BuddySIM, the internet connection stops as soon as the data allowance you booked is used up. You can top up extra allowance in the app at any time and restore the connection immediately. With Holafly, the fair use rule applies on unlimited plans, while allowance-limited plans also stop the connection.

Verdict: which eSIM is worth it for which trip?

For the vast majority of typical travel scenarios, BuddySIM is the more practical and more economical choice. If you value transparent prepaid plans, flexible management in a dedicated app and the option to top up without reinstalling anything, you'll find BuddySIM a provider built exactly around those needs. On short trips, multi-country trips and with moderate data use in particular, BuddySIM offers a clear advantage on price and convenience.

Holafly remains a relevant option for travellers with very high data use who are willing to pay more for flat-rate unlimited plans and to accept fair use restrictions and potential tethering limits along with them. For content creators and streaming-heavy users, the premium can pay off.

For most travellers, though, whether it's a city break, a backpacking route or a business trip, one thing holds true: BuddySIM offers the better overall package of price, flexibility and ease of use. If you're looking for an eSIM that simply works, stays transparent and adapts flexibly to your own needs, BuddySIM is a good choice.