出発前にインストールし、到着した瞬間に接続——210以上の渡航先に対応
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Travel eSIM vs Firsty

Firsty is a travel eSIM provider; we sell on the website with no app, and support in Thai, English and Chinese.

執筆: eSIMonline Editorial · eSIMonline編集部最終更新: 2026年10月5日
Travel eSIM vs Firsty

What is Firsty?

Firsty is a travel eSIM provider: it sells data plans you install on a phone to get internet while travelling, without buying a SIM at the destination. Beyond that we do not state facts about Firsty, because plans, prices and terms change. Check Firsty's official channels directly.

Firsty's own pricing, plan terms and features can change. Check current details on Firsty's official channels before deciding. We do not quote other providers' numbers.
Travel eSIM vs Firsty

How to compare Firsty fairly with any other eSIM

Before reading any review or comparison, this page included, start from your own trip rather than a brand name: which country, how many days, and how much maps, video or hotspot sharing you will do. Then compare each provider against those answers on the day you buy.

  • Destination: is there a plan for the exact country you are visiting?
  • Purchase channel: web or app, and does it need an account?
  • Refunds: when are they possible and on what terms?
  • Support language: can you get help in a language you are comfortable in?
  • Live price: look on the day you buy, not at figures from old reviews
Travel eSIM vs Firsty

If you would rather not install an app

A travel eSIM from esimonline.asia is bought on the website: pay, receive the QR code by email, and install it from your phone's settings with no app. Support is in Thai, English and Chinese.

Before buying an eSIM from anyone

Confirm that your phone supports eSIM and is carrier-unlocked. Our data-only eSIM has no phone number or SMS, so if you need SMS verification codes, keep your primary SIM active, and install the profile ahead of time on Wi-Fi.

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関連情報

基準esimonline.asiaのトラベルeSIMFirsty
Type of serviceData-only travel eSIM with no phone number, calls or SMSFirsty is a travel eSIM provider — check its current service details directly with Firsty
アプリまたはウェブでの購入Bought on the website with no appCheck directly with Firsty which channels you can buy and manage through
Getting the QR codeThe QR code arrives by email right after paymentCheck Firsty's current delivery and installation method
サポート言語タイ語、英語、中国語Check directly with Firsty which languages its support team covers
インストール前の返金Self-service refund from the order page within 14 days while uninstalledCheck Firsty's current refund terms directly
対応する渡航先200以上の渡航先。購入前に、必要な国をご確認くださいCheck Firsty's current country list directly with Firsty
Price and plan sizeSee the live price and plan size on each destination's plan pagePrices and sizes change, so look at Firsty directly on the day you buy

選ぶ esimonline.asiaのトラベルeSIM

アプリなしでウェブで購入し、QRをメールで受け取りたい方や、タイ語または中国語のサポートが必要な方に最適です。

選ぶ Firsty

Best if, after reading Firsty's current terms, they match your destination and the way you like to buy.

よくある質問

What is Firsty?+

Firsty is a travel eSIM provider. Check plan details and current terms directly with Firsty.

What is a fair Firsty review?+

当店は、他の事業者を採点することはしません。公平な方法は、渡航先、プランの容量、最新の価格、購入チャネル、返金ポリシーをご自身で比較し、旅行に合うものを選ぶことです。

Firsty vs esimonline.asia: which should I choose?+

There is no single winner. Choose us for web purchase with no app and Thai or Chinese support; choose Firsty if its current terms fit your trip better.

Is there a Firsty alternative that needs no app?+

はい。esimonline.asiaのトラベルeSIMはウェブで購入し、QRがメールで届き、アプリなしでスマートフォンの設定からインストールできます。

データ専用eSIMで、通話やSMSの受信はできますか?+

当店のトラベルeSIMはデータ専用で、電話番号、通話、SMSはありません。SMSの認証コードが必要な場合は、メインのSIMを有効にしたまま併用してください。

What if I have not installed it yet and change my mind?+

With our eSIM you can self-serve a refund from the order page within 14 days while the profile is not installed. For other providers, check their own terms.