Light user, short trip
A small fixed plan from Saily or Nomad: around $4 for 1 GB in Japan.
Stay connected abroad without overpaying
An independent, research-based guide to travel eSIMs. We read providers' official pages, restate the facts in plain English, show our sources and dates, and tell you where the catches are.
Pick by the kind of trip you're taking
Four common situations, and the plan type that usually fits. Each links to the prices and sources behind it.
Heavy user
Unlimited-day packages from Airalo or Holafly are within a dollar or two of each other for Japan.
Multi-country route
A regional plan, once you've checked every country is on its list.
First-timer
Nomad's free 1 GB trial is the lowest-risk way to learn the process.
Destination guides
Published prices compared by trip length, the networks used, and the fine print that matters more than a couple of dollars.
Japan
Dense networks, near-identical plans. Start with how much data you use.
- Cheapest plan
- $3.99Saily, 1 GB / 7 days
- 7 days unlimited
- $26.50Airalo
Europe
One plan, many borders, if every country is on the list.
- Coverage
- 41 vs 33Airalo vs Holafly
- 15 days unlimited
- $49.00Airalo
Thailand & SE Asia
Some of the lowest prices in Asia, and regional plans for multi-country trips.
- Cheapest plan
- $2.99Saily, 1 GB / 7 days
- 30 days unlimited
- $49.00Airalo
China
Where routing matters as much as price: what each provider says about Google and WhatsApp.
- 10 GB / 30 days
- $17Ubigi
- 7 days unlimited
- $24Ubigi
| Japan plan | Airalo | Holafly | Saily | Nomad |
|---|---|---|---|---|
| 7 days unlimited | $26.50 (lowest listed) | $27.50 | Priced per day | Not captured |
| 30 days unlimited | $69.00 (lowest listed) | $73.90 | $71.99 | Not captured |
| 1 GB / 7 days | Unlimited only | — | $3.99 (lowest listed) | $4 |
Lowest listed price in the row Full tables, fixed-data plans and fine print in the Japan guide.
How we work
We don't sell eSIMs, and we don't pretend to have tested what we haven't. Here's what we do instead.
Sourced
Every price, linked
Every price links to the official page we read and the date we checked it.
Untested
And we say so
We don't publish speed tests, star ratings or "hands-on" reviews we didn't do.
Disclosed
Affiliate links
Some links earn us a commission. Here's how that works, and why it doesn't change our picks.
All guides
- Start hereWhat Is an eSIM, and Does Your Phone Support One?A plain-English explanation of travel eSIMs, how they differ from SIM cards, and a step-by-step way to check whether your iPhone or Android phone can use one.
- ComparisonAiralo vs Nomad vs Saily vs HolaflyHow four popular travel eSIM providers compare on price, plan types, unlimited-data rules and extras, using prices taken from their official pages in November 2026.
- DestinationBest eSIM for JapanJapan travel eSIM options from Airalo, Nomad, Saily and Holafly compared by price per trip length, networks and fair-use rules, with prices checked on official pages in November 2026.
- DestinationBest eSIM for EuropeCompare Europe-wide travel eSIM plans from Airalo and Holafly, what 'Europe' coverage really includes, and how to avoid paying for unlimited data you won't use.
- DestinationBest eSIM for Thailand and Southeast AsiaThailand travel eSIM prices from Airalo, Holafly and Saily compared, plus when a Southeast Asia or Asia regional plan makes more sense.
- ExplainereSIM vs Pocket WiFi vs International RoamingA neutral, practical comparison of travel eSIMs, pocket WiFi rentals, home-carrier roaming and local SIM cards: cost structure, convenience and who each option suits.
- How-toHow to Install a Travel eSIM on iPhone and Android, Step by StepClear installation steps for travel eSIMs on iPhone and Google Pixel/Android, based on Apple and Google's official help pages, plus the settings to change when you land.
- DealsFree eSIM Trials in 2026What the Nomad, GigSky and Yesim trial eSIMs actually include, according to their official pages in November 2026: data, validity, eligibility and the catches.
- DestinationBest eSIM for ChinaChina travel eSIMs from Airalo, Nomad, Holafly, Saily, Ubigi, Yesim and Maya compared: prices by trip length, networks, Hong Kong and Macau coverage, and what each provider says about reaching Google and WhatsApp. Checked on official pages in November 2026.
Quick answers
Do I need a travel eSIM?
If your phone is eSIM-capable and unlocked, a travel eSIM is usually the simplest way to get data abroad. On a one-day stopover your carrier's day pass may be enough, and groups may prefer pocket WiFi. See eSIM vs pocket WiFi vs roaming.
Does my phone support eSIM?
Apple says iPhone XS, XS Max, XR or later; Google says Pixel 3a and later. The quickest check is to look for Add eSIM in your settings. Full checklist.
Have you tested these plans?
No. We summarize what providers publish on their official pages and link every source. We don't publish speed tests or reviews we didn't do.
How do you make money?
Some links are affiliate links; if you buy through them we may earn a commission at no extra cost to you. It never decides what we recommend. Disclosure.