Saily eSIM Review: Affordable, Safe, and Easy Internet in Japan (2025)

Saily eSIM Plans for Japan (After Using Coupon Code: tokyokenchan)

If you’re planning a trip to Japan and want to stay connected without renting a pocket Wi-Fi or buying a physical SIM card, Saily offers flexible and affordable eSIM data plans.
Here are the current options available with a 15% discount applied using my coupon code tokyokenchan:

Data PlanValidityPrice with CouponSaily Credits
1 GB7 daysUSD 3.39 (was 3.99)3% back
3 GB30 daysUSD 6.79 (was 7.99)3% back
5 GB30 daysUSD 9.34 (was 10.99)3% back
10 GB 30 daysUSD 15.29 (was 17.99)5% back
20 GB30 daysUSD 21.24 (was 24.99)5% back
Unlimited Data15 daysUSD 41.64 (was 48.99)5% back

You can receive cashback in the form of Saily credits, which can be used for future purchases.

You can check the full list and purchase your plan directly here:
▶︎ Saily eSIM Official Site – Apply 15% Off with code: tokyokenchan

Note: Plans and prices may change, so please check the official Saily website for the latest.

Want to see how Saily works in action? Here’s my full review video using it in Japan:

What is Saily? A New eSIM Brand from Nord Security

Saily is a new eSIM service recently launched by Nord Security — the same company behind NordVPN, which many may recognize from YouTube ads or online promotions. I became curious about it myself and also received questions from my viewers, so I decided to try Saily and see how it works. In this post, I’ll explain what Saily is, how to use it, and what makes it different from other eSIMs.

What is an eSIM and why is it useful?

eSIMs are becoming more mainstream among travelers. If you have a recent smartphone, using an eSIM can help you save money on mobile data while traveling abroad. Traditionally, travelers would buy physical SIM cards, swap them manually, and often carry tools or worry about losing their primary SIM. With eSIMs, you can install mobile service directly onto your phone without needing to change a physical SIM card.

For example, if you have an iPhone XS or newer (released in 2018 or later), your phone is likely eSIM-compatible.

Why is Saily trustworthy?

One of the most common concerns with eSIM providers is the lack of familiarity with the company behind the service. With Saily, that concern is minimized, as it is developed by Nord Security — a well-known cybersecurity company that also operates NordVPN.

VPNs create a secure virtual space to protect users’ personal information while browsing the internet. According to Nord Security, both VPNs and eSIMs share similar technology in that they manage connectivity through virtualization without requiring physical changes. This connection to a known security provider adds a level of trust to using Saily.

How to use Saily eSIM

To try Saily, I went to their official website, searched for my travel destination (in this case, Japan), and proceeded to purchase the plan. The discount price was already applied. Note: once purchased, the eSIM must be activated within 30 days, so make sure to buy it close to your travel date.

Account creation was simple — you can sign in using Google or Apple. After the purchase, download the Saily app to the phone you’ll be traveling with. Log in, and you’ll see the eSIM you bought. Tap “Install eSIM,” follow the instructions on the screen, and the installation should complete in about a minute.

If you’re already in the country the eSIM is for, it will activate right away. If you’re not, it will stay inactive until you arrive. Don’t forget to turn off your regular SIM or roaming to avoid unexpected charges.

Unique features that make Saily stand out

Saily has three features that are not common among other eSIMs:

  1. Virtual Location (V Location): Similar to VPNs, this allows you to select a server from another country, masking your actual location and protecting your privacy.
  2. Ad Blocker: You can enable ad blocking to reduce data usage and avoid unnecessary ads while browsing.
  3. Malware Protection: Saily helps prevent malware or viruses from entering your phone, adding an extra layer of safety while traveling.

Speed and performance

I tested Saily while connected to AU LTE in Japan (AU is one of the major mobile carriers in Japan), and the speed was more than enough to stream YouTube videos smoothly.

However, I noticed that just three speed tests used up 1GB of data very quickly. If you plan to test or stream heavily, it’s better to purchase more than 1GB from the beginning. You can check your data usage under your phone’s settings.

Things to be careful about

Not all smartphones support eSIM. It’s important to check whether your device is compatible. Saily provides a compatibility list on their official site, so check that before purchasing.

eSIMs have become much more common recently, and they offer a flexible and affordable way to stay connected while traveling. Saily stands out as a secure and feature-rich option backed by a trusted security company.

If you’re looking for a simple and safe eSIM for your next trip, Saily may be worth considering.

👉 https://saily.com/tokyokenchan

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