eSIM国別ガイド：日本

日本の正直なeSIMガイド。使い方、対応機種、ヒント掲載。プランは提供中です—虚構なし。

Product tour

Take the tour.

A visual walkthrough built for this page — mockups of the exact experience plus photography from the field.

Coverage
195
destinations live
eSIM国別ガイド：日本5G ready
Check coverage
eSIM国別ガイド：日本のカバレッジを一目で：195の目的地がライブ、最速の現地パートナーを自動選択。
  1. 1Live usage ring: see remaining data at a glance, no mental math.
  2. 2Top-up button sits right where you need it when data runs low.
esimgomobile.com
Checkout
Atlas 50GB — eSIM国別ガイド：日本total
Taxescalculated
Pay securely
256-bit encrypted · Amazon Pay
eSIM国別ガイド：日本の安全な決済：Atlas 50GB、前払いで全額表示、小さな文字なし。
  1. 1Checkout shows the full price before you pay. Nothing hidden.
  2. 2Amazon Pay handles payment securely; taxes are calculated for you.
esimgomobile.com
API quickstart
curl https://api.esimgomobile.com/v1/esims \
  -H "Authorization: Bearer $KEY" \
  -d '{"country":"ES"}'
200 OK · 80 ms
eSIM国別ガイド：日本の背後のREST API：プログラムでeSIMを発行 — 数ミリ秒で200 OK。
  1. 1Three plans side by side so the trade-off is obvious.
  2. 2Pick by trip length, not by decoding fine print.
esimgomobile.com
Plans for eSIM国別ガイド：日本
Atlas 5GB5 GB · 30 days
Atlas 20GB20 GB · 30 days
Atlas 50GB50 GB · 60 days
Compare plans
eSIM国別ガイド：日本のプラン選択：5GB、20GB、50GB、Unlimited — 小さな文字ではなく旅で選ぶ。
  1. 1Three plans side by side so the trade-off is obvious.
  2. 2Pick by trip length, not by decoding fine print.
Support
How does eSIM国別ガイド：日本 work?
Enter your trip details and get an instant answer — no account needed.
サポート抜粋 — eSIM国別ガイド：日本：できることを1つの誠実な回答で。
  1. 1Coverage status at a glance: data live, number available, 5G ready.
  2. 2Green means go — no guessing about what's supported.
eSIM installedYour eSIM国別ガイド：日本 plan is ready.
Push · just now
eSIM国別ガイド：日本のプッシュ通知：eSIMインストール済み、プランは有効化待ち。
  1. 1A real traveler quote, tied to the destination it mentions.
  2. 2Reviews reference actual trips, not generic praise.
My eSIM
62%5 GB left
Days left14
Top up+10 GB
eSIM国別ガイド：日本のデータダッシュボード：残り62%、残日数、ワンタップでチャージ。
  1. 1The Tele Agent answers in plain language — no telecom jargon.
  2. 2Every answer is specific to your trip, not a generic FAQ.
Install
1 Scan2 Add3 Go
eSIM国別ガイド：日本のインストール：QRで3ステップ — スキャン、追加、完了、約2分。
  1. 1Live usage ring: see remaining data at a glance, no mental math.
  2. 2Top-up button sits right where you need it when data runs low.
eSIM国別ガイド：日本 · 5G
eSIM国別ガイド：日本の電波ウィジェット：ネットワーク世代と場所を常時表示。
  1. 1Signal widget: network generation and destination, always visible.
  2. 2Five bars, zero ambiguity about what you're connected to.
Why travelers pick it
  • Instant QR install
  • Keep WhatsApp number
  • One-tap top-up
旅行者がeSIM国別ガイド：日本を選ぶ理由：Instant QR install, Keep WhatsApp number, One-tap top-up。
  1. 1Coverage status at a glance: data live, number available, 5G ready.
  2. 2Green means go — no guessing about what's supported.
Virtual number
+1 205 373 6682
Routes toeSIM国別ガイド：日本
SMS + voiceEnabled
eSIM国別ガイド：日本の2回線目：+1 205 373 6682 — 本物の番号、SMSと音声が有効。
  1. 1A real traveler quote, tied to the destination it mentions.
  2. 2Reviews reference actual trips, not generic praise.
Atlas Unlimited
Unlimited · 30 days
eSIM国別ガイド：日本
Atlas Unlimited — Unlimited · 30 days、eSIM国別ガイド：日本ですぐ使えるプリペイド。
  1. 1Signal widget: network generation and destination, always visible.
  2. 2Five bars, zero ambiguity about what you're connected to.
esimgomobile.com
Dashboard
Active eSIMs2
Data left20 GB
Current cityeSIM国別ガイド：日本
eSIM国別ガイド：日本のWebダッシュボード：すべてのeSIM、すべての旅、残量20 GB — 1つの画面に。
  1. 1Three plans side by side so the trade-off is obvious.
  2. 2Pick by trip length, not by decoding fine print.
195
destinations live
launch fact
eSIM国別ガイド：日本のローンチ実績：195 destinations live — 固定値であり、ライブテレメトリではありません。
  1. 1Coverage status at a glance: data live, number available, 5G ready.
  2. 2Green means go — no guessing about what's supported.
Language
PortuguêsEnglish日本語
eSIM国別ガイド：日本の言語選択 — Português, English, 日本語：アプリは6言語対応。
  1. 1Usage ring compresses the whole plan into one glanceable number.
  2. 2Percent remaining is the only metric most travelers check.
Network
5G
eSIM国別ガイド：日本 connected
eSIM国別ガイド：日本のネットワークウィジェット：5G、フルバー — 接続に曖昧さなし。
  1. 1The Tele Agent answers in plain language — no telecom jargon.
  2. 2Every answer is specific to your trip, not a generic FAQ.
a meeting in an office
Get connected
1 Pick a plan2 Scan QR3 Land online
eSIM国別ガイド：日本での3ステップ：プランを選んで、QRをスキャン、オンラインで到着。
  1. 1The roaming math, made visible: one price versus per-day carrier fees.
  2. 2This is the comparison most travelers never see until the bill.
scenic view of city during evening
Your trip is calling.
Get your eSIM
「Your trip is calling.」— eSIM国別ガイド：日本のバナー：好奇心から接続まで2分。
  1. 1Coverage pins show where partner networks are live.
  2. 2The map answers the only question that matters: will it work there?
46%
data left
eSIM国別ガイド：日本の利用リング — 残データ46%：旅行者が最も確認する数字。
  1. 1Usage ring compresses the whole plan into one glanceable number.
  2. 2Percent remaining is the only metric most travelers check.
eSIM plan
Atlas 20GB20 GB · 30 days
eSIM国別ガイド：日本
Install eSIM
eSIM国別ガイド：日本でのAtlas 20GB — 20 GB · 30 days、お支払い前に全額表示のプリペイド。
  1. 1Live usage ring: see remaining data at a glance, no mental math.
  2. 2Top-up button sits right where you need it when data runs low.
people on a video call — 美術館の行列はセルフスキップ：チケットはオンライン購入、そのまま入口へ。
美術館の行列はセルフスキップ：チケットはオンライン購入、そのまま入口へ。
affectionate mother and daughter — 両替所はスキップ：スマホが実勢レートで支払います。
両替所はスキップ：スマホが実勢レートで支払います。
quiet night street scene in tokyo japan — カフェオフィス：テザリング稼働、ビデオ通話は安定、ホテルWi-Fiのロシアンルーレットなし。
カフェオフィス：テザリング稼働、ビデオ通話は安定、ホテルWi-Fiのロシアンルーレットなし。
red metal bridge — おかえりなさい：eSIMはワンタップで削除、解約する契約なし。
おかえりなさい：eSIMはワンタップで削除、解約する契約なし。
birds eye view of city at night — 美術館の午後はオーディオガイドをストリーミング、バッファリングなし。
美術館の午後はオーディオガイドをストリーミング、バッファリングなし。
woman and man standing near windows on airport — 晴れでも雨でも接続は維持 — 天気でデータが絞られることはありません。
晴れでも雨でも接続は維持 — 天気でデータが絞られることはありません。
man in blue shirt having a virtual meeting — 現代の到着：シートベルトサインが消える前にオンライン。
現代の到着：シートベルトサインが消える前にオンライン。
close up photo of a mobile phone s camera — 古い街、新しい技：翻訳アプリがリアルタイムで動作。
古い街、新しい技：翻訳アプリがリアルタイムで動作。
a woman in black blazer sitting at the desk with documents — 書類のやり取りなしの国境越え：身分証の写真はスマホに保存。
書類のやり取りなしの国境越え：身分証の写真はスマホに保存。
cozy cafe workspace with laptop and drink — 島時間、オンライン時間：フェリー、ビーチ、そしてフル電波。
島時間、オンライン時間：フェリー、ビーチ、そしてフル電波。
woman at table with documents during meeting with colleagues — 通勤は万全：ポッドキャストはダウンロード済み、メッセージ送信済み、圏外なし。
通勤は万全：ポッドキャストはダウンロード済み、メッセージ送信済み、圏外なし。
Layla Yehia — 出発ラウンジから到着ホールまで、データは途切れません。
出発ラウンジから到着ホールまで、データは途切れません。
eiffel tower — 出張：クライアント資料は同期済み、タクシーからビデオ会議に参加。
出張：クライアント資料は同期済み、タクシーからビデオ会議に参加。
futuristic skyscrapers in midtown manhattan in new york city — 免税店のウィンドウショッピング：購入前に自宅価格と照合。
免税店のウィンドウショッピング：購入前に自宅価格と照合。
Ben Mack — 広場と遊歩道：景色を背に自宅へビデオ通話。
広場と遊歩道：景色を背に自宅へビデオ通話。
Gerhard Lipold — 日の出ハイキングは天気確認から — データオン、ブーツオン。
日の出ハイキングは天気確認から — データオン、ブーツオン。
a person holding black smartphone — レンタカーカウンターでの握手：確認メールを開いて、免許証の写真を準備。
レンタカーカウンターでの握手：確認メールを開いて、免許証の写真を準備。
oia village on santorini island — 本物の旅、本物の接続性 — この製品はそのためにあります。
本物の旅、本物の接続性 — この製品はそのためにあります。
a greek flag is flying over the ocean — 夜行バス：エンタメはダウンロード済み、メッセージはキューに、安心してお休みを。
夜行バス：エンタメはダウンロード済み、メッセージはキューに、安心してお休みを。
Stephen Leonardi — トレイル入口と展望台：念のためオフラインマップをダウンロード。
トレイル入口と展望台：念のためオフラインマップをダウンロード。

Explainer

eSIM国別ガイド：日本: the full picture

The long version is the rest of this page — plans, mechanics, edge cases and honest trade-offs, written the way we'd explain it to a friend.

The short version: prepaid travel eSIMs across 195 destinations, installed by QR code in two minutes, managed from a dashboard, with an AI agent on call when you need a human-style answer fast.

Everything on this page exists to answer one question well: how does esimgomobile fit into your trip? The sections below go deep so you never need a second tab.

Explainer

How it works, step by step

  1. Pick your plan
    • Choose data for your trip length — 5 GB covers a long weekend, 20 GB a fortnight, 50 GB or Unlimited a month of heavy use.
    • Checkout takes about two minutes through the secure Amazon Pay checkout.
  2. Scan the QR code
    • Your eSIM arrives instantly. Open your phone camera, scan, and the plan installs itself.
    • No store visit, no plastic SIM, no waiting for the post.
  3. Land connected
    • Turn on data roaming for the eSIM line when you land — you're online before baggage claim.
    • The eSIM finds the local partner network automatically.

Explainer

Good to know

  • Save your eSIM QR code somewhere safe (email it to yourself) in case you switch phones mid-trip.
  • WhatsApp, iMessage and FaceTime keep your existing number on a data eSIM — no need to tell anyone a new number.
  • Download offline maps for your destination — they save data and work in dead zones.
  • Charge your phone before long travel days; weak signal areas drain batteries faster.
  • Hotspot sparingly: one laptop tethered all day can burn through a week of phone data.
  • Turn off auto-play on social apps before you fly; it quietly eats roaming data.

These are the details that separate a smooth trip from a stressful one — small, unglamorous, and worth more than any feature list.

Explainer

Why travelers switch

The Tele Agent closes the remaining gap: a question at midnight in a foreign terminal gets an answer in seconds, not a support ticket.

Roaming bills taught a generation to fear their phones abroad. The eSIM generation simply never learned that fear — data is prepaid, visible and finite.

And because everything is prepaid through Amazon Pay, the commercial relationship is simple: you pay for data, you get data, it ends when it ends.

By the numbers

The numbers behind eSIM国別ガイド：日本.

eSIM国別ガイド：日本 — data dashboard

The product's headline numbers, switchable by dataset.

195
destinations live
global footprint
4
Atlas plans
prepaid, no contracts
~2 min
typical install
QR scan to online
6
app languages
EN ES FR DE PT JA
Atlas 5GB: 5 GB over 30 days — Weekend breaks & light useAtlas 5GB 5 GBAtlas 20GB: 20 GB over 30 days — Two-week trips & daily useAtlas 20GB 20 GBAtlas 50GB: 50 GB over 60 days — Remote work & hotspottingAtlas 50GB 50 GBAtlas Unlimited: Unlimited over 30 days — Heavy use, zero meteringAtlas Unlimited Unlimited
Atlas 5GB: 30-day validityAtlas 5GB 30 daysAtlas 20GB: 30-day validityAtlas 20GB 30 daysAtlas 50GB: 60-day validityAtlas 50GB 60 daysAtlas Unlimited: 30-day validityAtlas Unlimited 30 days
Illustrative — D1: 100% of maxIllustrative — D10: 70% of maxIllustrative — D20: 42% of maxIllustrative — D30: 12% of maxDay 1Day 10Day 20Day 30IllustrativeIllustrative 20 GB burn-down at moderate use.

Hover any bar or point for its exact value. Tabs switch datasets — everything on this panel is computed from live product data unless labeled illustrative.

eSIM国別ガイド：日本 — data dashboard. eSIM国別ガイド：日本のプラン容量、有効期間、典型的な利用カーブ — 正確な値はホバーで。
How eSIM国別ガイド：日本 worksFour steps from question to answerHow this tool worksBuilt to answer one question well.1Enter your detailsTrip, data needs, destination. The tool does the math.2Open the toolNo account needed — it loads instantly in your browser.3Get the answerClear result with next steps — save it or act on it.4Apply itJump straight to the plan, setting or page it points to.
Tool walkthrough. eSIM国別ガイド：日本にたどり着いてから回答を得るまで4ステップ。
Questions, answeredThe six things everyone asks firstQuestions, answeredShort answers, no sales pitch.Is it a contract?
No — prepaid. Service simply stops instead of charging extra.
Do I keep my number?
Yes — WhatsApp & iMessage keep working on your existing number.
Which phones work?
Any carrier-unlocked, eSIM-capable iPhone or Android.
What if data runs out?
80% alert, then one-tap top-up. No bill shock.
Does hotspot work?
Yes — share your connection with laptop or tablet.
How fast is setup?
About two minutes: plan, QR scan, done.
FAQ at a glance. まだ気になる？Tele Agentが残りすべてに即時回答します。
Plan comparison matrixEvery plan for every destination we cover — data, validity, best fitPlans at a glanceFour prepaid plans cover every kind of trip to every destination we cover.PLANDATAVALIDITYAtlas 5GBWeekend breaks & light use5 GB30 daysAtlas 20GBTwo-week trips & daily use20 GB30 daysAtlas 50GBRemote work & hotspotting50 GB60 daysAtlas UnlimitedHeavy use, zero meteringUnlimited30 days
Plan comparison matrix. 週末の少量、2週間のデータ、仕事月の大容量、あるいは無制限 — 旅の形で選ぶ。
Who it's forFour travelers, one toolWho it's forBuilt for real trip shapes, not personas.1The last-minute flyer
Answer in minutes, eSIM installed before boarding.
esimgomobile network data2The remote worker
Size data for video calls and hotspotting with confidence.
esimgomobile network data3The planner
Compare before you commit — know the right plan weeks ahead.
esimgomobile network data4The family organizer
One tool, every traveler's needs covered.
esimgomobile network data
Use cases. ここに自分を見つけたら、このツールはクリックの元を取ります。
Every plan includesNo tiers of basic dignity — these ship with all plansEvery plan includesThe baseline is generous on purpose.6 languagesThe app speaks your language, wherever you're from.Keep your WhatsAppYour existing number keeps working on the data line.Hotspot includedShare with your laptop or tablet at no extra cost.One-tap top-upMore data in seconds — no new QR code.5G where availableFastest local partner network, selected automatically.24/7 supportReal humans plus the Tele Agent, around the clock.
Included with every plan. 5G、テザリング、WhatsApp継続、チャージ、サポート、6言語 — 全グレード共通。
Pro tipsFour habits of the always-connectedPro tipsSmall habits, big difference.1Download offline mapsThey save data and work in dead zones.2Keep home SIM for 2FABank codes still arrive while data runs on the eSIM.3Screenshot bookingsHotel address & confirmations, available with no signal.4Install before you flyAirport Wi-Fi is the worst place to set up connectivity.
Pro tips. 快適な旅とストレスフルな旅を分ける小さな違い。
What your gigabytes meanTypical hourly usage per activityWhat your gigabytes meanTranslate plan sizes into real travel behavior.Maps & navigation≈ 5 MB / hourMessaging & email≈ 20 MB / hourSocial browsing≈ 150 MB / hourVideo calls≈ 600 MB / hourHD streaming≈ 1.5 GB / hourTypical usage rates — actual consumption varies by app and quality settings.
Data usage guide. 地図は少しずつ、ストリーミングはがぶ飲み：一番重い使い方に合わせてプランを。
Network at a glanceCoverage facts, network-wideNetwork at a glanceThe numbers that matter before you buy.195destinations liveesimgomobile network data5Gwhere available, auto-selectedesimgomobile network data6app languagesesimgomobile network data2 mintypical install timeesimgomobile network dataPlus: local numbers where available, hotspot included, 24/7 support.Prepaid only — when the plan ends, it simply stops. No contracts.
Coverage facts. eSIM国別ガイド：日本のネットワーク履歴書：195の目的地、提供エリアでは5G、6言語。
eSIM国別ガイド：日本: capability profileWhat the tool is good at — illustrative profileCapability profileFive strengths, ranked by what users feel first.Mobile friendlyworks on the phone in your handPrivate by designyour inputs stay in your browserAlways currentreflects live plans and coverageShares wellsend the answer to travel companionsInstant resultsno waiting, no signupIllustrative profile based on tool design — not measured telemetry.
Capability profile. マーケティングの優先度ではなく、旅行者が最初に気づく順にランク付け。
Get connected in three stepsFrom purchase to online in about two minutesGet connected in three stepsNo store visit, no plastic SIM, no waiting for the post.1Pick your planChoose data for your trip — checkout takes about two minutes.2Land connectedSwitch the line on when you arrive — online before baggage claim.3Scan the QR codeThe eSIM installs straight onto your phone. No store, no plastic SIM.
Three-step setup. 出発の数日前でも搭乗の数分前でもインストール — お好みで。

あなたのタイミングで

プリペイド、契約なし、ローミングの心配なし。設定は約2分で完了します。

プランと料金を見る Tele Agentに相談