# Mars Signal

> Mars Signal (iPhone/iPad app by ONE TREE HILL TECH LIMITED.)

- Source: https://appshunter.io/ios/app/mars-signal/id6770787268 (this page in markdown: same URL + `.md`)
- Developer: [ONE TREE HILL TECH LIMITED](https://appshunter.io/developer/1818085565)
- Category: Travel
- Price: Free
- Age rating: 4+
- Requires: iOS 15.1 · 23 MB
- Languages: American English
- Released: 2026-08-28
- Data updated: 2026-09-10
- User reviews in markdown: https://appshunter.io/ios/app/mars-signal/id6770787268/reviews.md

## What is Mars Signal?

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.


## Version history (last 2 releases)

### 3.0.2 — 2026-09-04

Updated the app icon with a clean white background and clearer Mars Signal branding.

### 3.0.1 — 2026-08-28

No release notes.

## More apps by ONE TREE HILL TECH LIMITED

- [BuffGift](https://appshunter.io/ios/app/buffgift/id6746717779)
- [PayEase](https://appshunter.io/ios/app/payease/id6746738131)

All apps by ONE TREE HILL TECH LIMITED: https://appshunter.io/developer/1818085565

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-09-10.*