
Free
Rating summary
About
Mars Signal helps travelers stay connected before departure with eSIM data plans, physical SIM cards, and SeSIM carrier cards.
Browse available destinations and card products, compare package duration and data size, and manage your purchased cards from one mobile app. Mars Signal is designed for users who need reliable connectivity for travel, business trips, long stays, and backup network access.
Key features:
- Shop travel connectivity products including eSIM, physical SIM, and SeSIM cards.
- View package details such as destination, data amount, validity period, and delivery type.
- Manage your card assets and check card information in the card wallet.
- Access help and account tools from a mobile-first app experience.
Mars Signal focuses on simple, practical connectivity for global consumers.
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What's New in Mars Signal
3.0.2
September 4, 2026
Updated the app icon with a clean white background and clearer Mars Signal branding.



