Looking for an eSIM app? These are the top review sites

What makes a good eSIM comparison site?

App reviews and tech comparisons form a big genre of online content. You can find YouTube videos, Reddit threads, international publications, and private blogs all discussing the topic of eSIMs. When selecting the best review sites, we consider the following criteria. 

Up-to-date information

A good review site is one that regularly updates itself to reflect the quickly evolving eSIM industry. The technology behind eSIM apps changes and advances quickly. Extra features are added to existing services and entirely new brands appear on the scene. If a site reflects this, updating its content regularly and following up on old reviews, that’s a good sign. 

Transparency 

Reviewers often take financial incentives to talk about certain brands. While there’s nothing inherently wrong with this practice, a good eSIM comparison site should be transparent about these deals, letting readers know what its relationship is with the service it’s writing about.

Justified ratings

If you’re trying to assess how reliable a review is, look for strong justifications within the text for the writer’s final product rating. A five-star review that doesn’t explain properly why the product is better than others on the market is both unhelpful and a little suspicious. 

A robust methodology 

The best reviewers explain the methods they rely on to test and assess an eSIM service. How long did they use it? What devices did they install the app on? How experienced was the reviewer themselves with this particular kind of product? The more clearly this information is stated, the more value the review will have for the reader. As a rule, clearly defined methodologies are a green flag. 

Top eSIM review sites

Here’s our list of the top eSIM review sites. The ones on this list have all covered Saily at one point or another.

Travel eSim Expert

Travel eSIM Expert specializes in helping travelers find the most affordable eSIM apps. Its primary focus is on saving you money, so expect reviews of budget-friendly options that still maintain high service standards. 

01net

A trusted French tech publication, 01net posts detailed comparisons of international eSIM providers. As well as reviewing the features and prices of eSIM apps, its writers review other products (phones, cameras, computers, and software) and offer tech-related news coverage.

LeBigData

Writing on a wide range of tech topics, the French site LeBigData curates a list of their top eSIM providers. The platform highlights key features like network reliability, activation processes, and additional security features. 

AIMOJO

AIMOJO uses AI-powered recommendations to rank the best eSIM providers based on smart algorithms and user needs. Its well-researched guides cut through the noise of a market packed with a lot of very similar products. 

Journey Era

A go-to blog for adventurous travelers, Journey Era compiles the best eSIM options for each year (its 2025 guide is now out!). The site’s reviews are targeted at digital nomads and explorers who want to stay connected in some more unusual locations. 

Amber Student

As the name suggests, Amber Student is designed for students and young travelers. The site recommends the best eSIMs for European destinations. With an emphasis on affordability and flexibility, its guides are perfect for students studying abroad, as well as more traditional travelers.

The Gap Decaders

The Gap Decaders caters to long-term travelers and van life enthusiasts in Europe, providing comprehensive guides on both physical SIM and eSIM options. The site will be of particular interest to people who see traveling as a way of life, rather than just a short-term experience. 

CyberNews

A reliable source of digital security and tech reviews, CyberNews ranks the best eSIM providers based on privacy, safety, and reliability. If cybersecurity is a priority for you (as it should be!) its comparison articles will help you find the right eSIM service.  

VPNPro

VPNPro made its name reviewing security products, but it's recently branched out to discuss eSIM providers too. Because of its background in VPNs, the site highlights options with robust security, something that won’t be present in all eSIM apps.

Monito

Monito, which started out in the financial and currency sector, now reviews eSIMs. It uploads detailed breakdowns of pricing, coverage, and overall value. The site in general is focused on getting the best bang for your buck, as demonstrated by its exchange rate comparison services. 

CyberInsider

CyberInsider provides expert analysis of eSIM providers, prioritizing performance, coverage, and cost-effectiveness. The site can also be relied upon for more general tech news and product reviews.

BLSTweb

A Japanese tech site, BLSTweb has compiled a list of recommended eSIMs for international travelers, offering practical advice on the best options for different regions. If you’re based in Japan but planning a trip abroad, BLSTweb is a great place to start. 

SchoolSurf

Focused on students studying overseas, SchoolSurf has a list of top eSIM providers to keep young people connected when they're away from home. Its recommendations can be helpful to most travelers, though.

Remomee

Remomee is a Japanese website that, in addition to a range of tech coverage and comparisons, offers specialized guidance on South Korean eSIMs. If you’re planning a trip to Korea, be it for business or pleasure, Remomee can help you navigate the country’s eSIM options. 

Find the right eSIM for you

Remember, the best eSIM is the one that fits your specific needs. Consider the regions you’ll be visiting, the length of your trip, and how important things like extra security features are to you.

Saily offers flexible, affordable data plans for more than 200 locations, and the app comes with cybersecurity systems and a built-in ad blocker. Staying connected is important, but so is staying safe!

If that sounds like it ticks your boxes, just pick and activate your plan — as soon as you reach your destination, you can get online.