Mars Signal

Name: Mars Signal
Author: One Tree Hill Tech Limited

LiveOne Tree Hill Tech Limited2 apps · 289 installsTravel & LocalFreecom.marssignal.app

Global eSIM that works from China. eSIM, physical SIM and SeSIM in one app.

Alert me ★ Watch Open in Play ↗

Total installs: 10
Installs / day: +1
Rating: —★
Released: 25 May 2026
Last update: 28 Sept 2026
Countries: —

Install history

exact counter from Google Play

30dAll

Installs per day · last 90 days

Change timeline

1 changes

12 Oct 2026
Installs milestone
5+10+

Country availability

Availability has not been checked for this app yet. “Check all countries” looks the app up in about 140 Google Play storefronts and shows where it is live, listed but not installable, or missing — plus any country-specific (custom) store listings.

Top countries

Country data will be available soon.

We estimate where downloads come from using the app’s position in Google Play’s top charts in about 140 countries. This app is not in any chart we have collected yet; the estimate appears as soon as it is.

Top chart positions

Not in any tracked top chart.

App manifest

Read this app's manifest from Google Play: permissions, declared SDKs, components and AdMob app ID. Saved analysis appears here automatically.

Data safety

declared by the developer on Google Play

No data shared with third parties
No data collected

This is the developer's own declaration, summarised from the Play listing. The permissions below show what the app is technically able to access.

Permissions

14 in 6 groups

6 Sensitive3 Notable5 Routine

What this app can do with your phone

Read photos, videos, and other files saved in your phone's shared storage
Add, change or delete photos, videos and other files in your phone's storage
Show its own windows or bubbles on top of other apps you are using
Change device settings like screen brightness, ringtone or screen timeout

Photos/Media/FilesSensitive2

Access to photos, videos, music and other files stored on your device

Read photos, videos, and other files saved in your phone's shared storageread the contents of your USB storage · READ_EXTERNAL_STORAGE
Add, change or delete photos, videos and other files in your phone's storagemodify or delete the contents of your USB storage · WRITE_EXTERNAL_STORAGE

StorageSensitive2

Access to files, photos and media saved on your phone's storage

Read photos, videos, and other files saved in your phone's shared storageread the contents of your USB storage · READ_EXTERNAL_STORAGE
Add, change or delete photos, videos and other files in your phone's storagemodify or delete the contents of your USB storage · WRITE_EXTERNAL_STORAGE

PhoneNotable1

Access to phone calls, call history, and voicemail

See your phone number, device IDs, whether a call is active, and the other caller's numberread phone status and identity · READ_PHONE_STATE

Device ID & call informationNotable1

Access to your phone's identifiers, mobile network details, and call status

See your phone number, device IDs, whether a call is active, and the other caller's numberread phone status and identity · READ_PHONE_STATE

Wi-Fi connection informationRoutine1

Access to details about Wi-Fi networks your device sees or uses

See whether Wi-Fi is on and details of the network you are connected toview Wi-Fi connections · ACCESS_WIFI_STATE

OtherSensitive7

Access to miscellaneous device features that don't fit other categories

Show its own windows or bubbles on top of other apps you are usingdraw over other apps · SYSTEM_ALERT_WINDOW
Change device settings like screen brightness, ringtone or screen timeoutmodify system settings · WRITE_SETTINGS
Connect to or disconnect from Wi-Fi networks and change saved Wi-Fi settingsconnect and disconnect from Wi-Fi · CHANGE_WIFI_STATE
Check whether you are online and whether you use Wi-Fi or mobile dataview network connections · ACCESS_NETWORK_STATE
Connect to the internet to load content and send datafull network access · INTERNET
Make your phone vibratecontrol vibration · VIBRATE
Check with Google Play that you got this app legitimatelyGoogle Play license check · com.android.vending.CHECK_LICENSE

Show all 6 permission groups ▾Show fewer ▴

Sensitive = can reach personal data, location, camera/mic or act on your behalf. Notable = changes how your device behaves. Routine = normal for almost every app. Source: Google Play's permission list for all versions of this app.

Store listing

Full description

Mars Signal — Global mobile data, made simple for travelers from China. Whether you're traveling abroad, studying overseas, working remotely, or on a quick business trip, Mars Signal gets you online the moment you land. No SIM swap, no VPN headache, no shocking roaming bills. Three Formats, One App - eSIM: scan QR, get data in 5 minutes. 200+ countries and regions. - Physical SIM: classic format, mainland China express delivery. - SeSIM Card: a single physical card holding up to 15 eSIMs — perfect for multi-country trips. Truly Works From China - Compatible with China Mobile, China Unicom and China Telecom signaling - Product pages clearly show coverage country, carrier, 4G/5G support and local speed - Top up instantly when your data runs low — no forced subscription Pay The Way You Already Pay - WeChat Pay, Alipay, mainland credit cards, Apple Pay - Manage balance, gift cards, coupons and referral rewards in one tab - Ticket system and email support — replies within 24 hours Privacy and Security - HTTPS/TLS end-to-end encryption - Sensitive fields (phone, ICCID) masked in the UI - Self-service account deletion with 30-day cooling-off period Made For - Business travelers visiting clients abroad - Students studying or interning overseas - Digital nomads and freelancers - Cross-border e-commerce teams and remote workers - Independent travelers and backpackers Mars Signal — connecting you to the world, signal by signal.

What's new

Keep your account signed in with automatic session renewal. Temporary network failures no longer clear your saved login. View the installed app version and build number in portable Wi-Fi mode settings.

Growing in Travel & Local

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