Mobile Companion

Travel

Free · Designed for iPad. Not verified for macOS.

Companion Mobile is the app that makes staying connected during your trip to Japan effortless. Buy a data eSIM in seconds, install it before you even leave home, and stay connected from the moment you land — no queuing at a store, no physical SIM card to swap. WHY COMPANION MOBILE - Data plans built for Japan (7 or 30 days), on a reliable local network - Instant installation by QR code or direct link, before or after you arrive - Your regular number stays active for calls and texts: the eSIM only handles your internet data - Top up directly from the app if you run out of data during your trip - Track your usage and plan validity at a glance - Home screen widget to check your remaining data without opening the app - Secure payment by card, Apple Pay, or Google Pay - Quick sign-in with email, Google, or Apple - Built-in FAQ and live chat support whenever you need help A JAPANESE IP ADDRESS, REAL BENEFITS With a Companion Mobile eSIM, you browse with a native Japanese IP address: unrestricted access to local services (restaurant bookings, train tickets, Japanese streaming, and more). SIMPLE FROM START TO FINISH 1. Choose your Japan plan (duration and data amount) 2. Pay securely 3. Install your eSIM by QR code, even before you leave 4. Manage, track, and top up your plan throughout your trip Companion Mobile is built for travelers who want reliable connectivity in Japan, without the hassle or surprises.

Ratings & Reviews

  • This app hasn’t received enough ratings or reviews to display an overview.

Nouvelle interface plus claire et accessible sur les principaux écrans. Modification du nom directement depuis le profil. Amélioration du parcours et de la validation des codes de parrainage. Aperçu plein écran et zoomable du guide d’installation eSIM. Statuts eSIM plus compréhensibles et traduits. Divers correctifs d’affichage et de navigation.

Version 1.0.3

The developer, Japan Companion LLC, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .

  • Data Linked to You

    The following data may be collected and linked to your identity:

    • Financial Info
    • Contact Info
    • Identifiers
    • Usage Data

Privacy practices may vary, for example, based on the features you use or your age. Learn More

Accessibility

The developer has not yet indicated which accessibility features this app supports. Learn More

Information

Seller
  • JAPAN COMPANION LIMITED LIABILITY COMPANY
Size
  • 62.6 MB
Category
  • Travel
Compatibility
Requires iOS 15.0 or later.
  • iPhone
    Requires iOS 15.0 or later.
  • iPad
    Requires iPadOS 15.0 or later.
  • iPod touch
    Requires iOS 15.0 or later.
  • Mac
    Requires macOS 12.0 or later and a Mac with Apple M1 chip or later.
  • Apple Vision
    Requires visionOS 1.0 or later.
Languages
  • English
Age Rating
4+
Copyright
  • © 2026 Japan Companion Limited
  • Privacy Policy

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