When traveling abroad, there are many aspects to plan: flights, passports, accommodations, and internet access. As our smartphone has become an important part of any trip, it's essential to ensure we have connectivity in the country we're traveling to.
In recent years, eSIMs have become the go-to option. These are digital SIM cards that we can install in our phones and that connect to local networks to offer the user the best possible coverage. In this article, we analyze two of the best-known companies: HolaFly and Saily. We'll also tell you about one of the best alternatives: Blink eSIM.

An overview of Holafly
We'll start with Holafly. It's one of the most popular providers and offers more than 200 destinations around the world, so it's likely our destination will be covered. As for plans, there are regional, global, and individual-country options, so we can tailor the plan we choose based on whether we're visiting a single country or choosing to explore a whole itinerary.
All plans offer unlimited data with customizable durations, from one day to 90, depending on our interests. Pricing varies based on these attributes, but one-day plans typically start at €3.79 per day.
The activation process is instant; just scan the QR code you'll receive in your email. You can install the eSIM before traveling, and the plan will be activated upon arrival at your destination.
Advantages of Holafly
- Unlimited data in a wide range of destinations
- Data plans for countries, regions, and continents
- Instant activation process
- Web-based support
Disadvantages of Holafly
- The daily price is higher than many of its competitors
- In certain destinations, especially those that are not as popular, speeds may be insufficient
- Fair usage restrictions apply to unlimited plans
Saily eSIM: Everything You Need to Know
For its part, Saily eSIM is another of the most interesting options. In this case, we also find individual, regional, and global plans, with a total of 113 destinations. One of the aspects that stands out is that it offers specific plans for regions such as North America, Asia, and Europe, among others.
Regarding prices and plan types, we find data packages that start at 1 GB and go up to unlimited gigabytes. For example, the 1 GB global plan for weekly use starts at approximately €8, so the price is slightly higher than the market average. It's worth keeping in mind that the price is lower if, instead of choosing a global plan, we opt for one for a specific country.
The activation process, as with the previous plan, is very simple with Holafly. We will receive a QR code that we must scan, and the data will be activated automatically. So, it will only take a few minutes from the moment we make the purchase until we can enjoy our active line.
Advantages of Saily eSIM
- It has good prices for small, short-term plans, making it perfect for short trips.
- It offers great flexibility, with several destinations and the option to purchase more data if we run out.
- Activating the eSIM is very simple and immediate.
Disadvantages of Saily eSIM
- Unlimited plans have usage conditions.
- For non-unlimited plans, using a hotspot is quite likely to run out of data.
- Coverage may be too weak depending on the destination.
Tips for choosing the right travel eSIM
- Coverage: The first thing we should check is whether the country we are visiting is within the operator's coverage area.
- Type of plan: We should also keep in mind that their catalog should include plans tailored to our needs.
- Ease of activation: The activation process should be simple so that we don't have any problems during the process.
- Support: 24-hour support is important, since you never know when you might have a problem with your eSIM.
- Extra features: Features such as allowing you to share the internet with your computer or being compatible with VoIP apps can be decisive. We recommend that you find out about them.
- Fair use policies: In addition to everything we've mentioned, we can't forget that the fair use policy is also very important. If this type of policy is in place, your use of the service could be affected.
Blink eSIM: The Best Alternative
Now that we've analysed both HolaFly and Saily eSIM, it's time to learn about one of their great alternatives: Blink eSIM. In recent years, a large number of users have opted for our services due to the good quality/price ratio we offer.
Let's start with our coverage: you can use Blink eSIM in more than 190 countries. In all of them, you can use our daily flat rate for €3 + VAT, which includes unlimited data. So you can use your smartphone completely freely without having to worry about your data usage.
The activation process is very simple and instantaneous. You can download your eSIM and install it in your home country, but it won't incur any charges until you travel abroad. This is achieved thanks to its Artificial Intelligence, which is able to intelligently detect where you are. Inteligencia Artificial, que es capaz de detectar de forma inteligente dónde nos encontramos.
In case you have any problems, you don't have to worry about a thing: we offer support 24 hours a day, 365 days a year. And best of all, it's through WhatsApp, so you won't need to download any additional apps or learn a new interface.
Finally, with our eSIM, you can share data with your computer or other devices. You can even use VoIP apps so you can make unlimited calls. In other words, it's an eSIM designed and developed specifically for those who want to enjoy connectivity with the best speeds and don't want to have any worries or hidden costs.
Comparison table
| Characteristics | Holafly | Saily eSIM | Blink eSIM |
| Coverage | In more than 200 destinations. | Approximately 113 countries. | In more than 190 countries. |
| Data plans | Offers unlimited data in many countries with different customizations. | A wide variety, including unlimited data plans. | Una tarifa plana diaria con datos ilimitados sin restricciones. |
| Price | From €3.79. | Plans starting at €3.99. | 3€ + VAT per day. |
| Activation | Activation is via a QR code that will be sent to your email. | Through a QR code that arrives in the email. | The QR code arrives directly through WhatsApp, so it's easier. |
| Device compatibility | It is compatible with iOS and Android. | It is compatible with iOS and Android. | It is compatible with iOS and Android. |
| Hotspot | Yes, but it has a limit of 1 GB per day. | It has restrictions in many countries and plans. | Without restrictions and without limits. |
| VoIP | Yes, you can use VoIP calling apps. | Yes, you can use VoIP calling apps. | Yes, you can use VoIP calling apps. |
Both HolaFly and Saily are two very attractive options for the vast majority of users. If you're interested in unlimited data, HolaFly is a great option to consider over Saily. However, it's also worth considering other alternatives on the market that offer excellent performance, such as Blink eSIM.
With Blink eSIM, we offer a flat rate plan with unlimited data for €3 + VAT, based on a model based on simplicity and ease of use. There are no hidden costs or extra charges, so you'll know what you're paying from the start. Plus, we offer coverage in over 190 countries worldwide and 24/7 support.
Frequently Asked Questions (FAQs)
Which eSIM is better for international travel: Holafly or Saily?
Both HolaFly and Saily are very attractive options for international travel. However, they aren't the only ones, and it's always important to consider other alternatives, such as Blink eSIM and its unlimited data flat rate.
Can I use Blink eSIM in every country I visit?
Yes, Blink eSIM covers more than 190 countries. So, it covers most of the countries you'll be visiting worldwide.
Why choose Blink eSIM over Holafly or Saily?
At Blink eSIM, we offer a daily flat rate of €3 + VAT with unlimited data, with no hidden costs. Plus, our support is available 24/7, so any questions will be answered immediately.
How do I choose the right eSIM for my trip?
It's important to clearly define the aspects you should consider. Some of these include the compatibility of the country you're traveling to, the number of days you need an internet connection, the compatibility of your smartphone, and whether or not the eSIM provider allows you to share the internet with your computer or use VoIP apps.






