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Japan vs Thailand eSIM

Japan vs Thailand eSIM — comparing speed, price, and coverage. Japan typically has the cheaper entry-level plan today.

Side-by-side

	Japan	Thailand
From price	$2.00	$4.00
Plans available	13	12
Top carriers	NTT Docomo, SoftBank, au KDDI	AIS, DTAC, True Move H
Network type	5G + LTE	4G LTE
Region	asia	asia

Which one is right for your trip?

Pick Japan if…

Your itinerary is mostly inside Japan, you want strong urban LTE on NTT Docomo, and you value 5g + lte as your primary network.

See Japan plans →

Pick Thailand if…

Your itinerary leans toward Thailand, you want AIS as your primary carrier, and 4g lte matches your data needs.

See Thailand plans →

Visiting both?

Buy a single regional plan (e.g. Asia, Europe, or Americas) and use one eSIM across both countries — usually cheaper than two single-country plans.

See asia regional plans →

Which is cheaper for an eSIM — Japan or Thailand?

Japan typically has the cheaper entry-level plan today. Pricing is volatile, so the table on this page is updated automatically. Pro and Premium subscribers save up to 12% on either destination.

Can I use one eSIM for both Japan and Thailand?

Yes — most LTE.app travelers visiting both buy a regional plan that covers them in one purchase. If you only need one country, a single-country plan is usually the cheapest option per gigabyte.

Which has better LTE coverage — Japan or Thailand?

Japan runs primarily on NTT Docomo and SoftBank. Thailand runs primarily on AIS and DTAC. Both deliver strong urban coverage; rural penetration depends on the destination's terrain — see the country pages for full coverage maps.

Should I install my eSIM before flying to Japan or Thailand?

Yes — install at home on Wi-Fi for both. Activation deferred to first connection means the validity clock only starts when you land. There is no advantage to waiting until you arrive.

Will my phone work with both an Japan and a Thailand eSIM?

Any iPhone XS or newer, Pixel 3 or newer, and most modern Samsung Galaxy devices support eSIM. You can store both eSIMs on the same phone and switch between them in Settings without removing anything.