Open Signal: Cell Tower Finder

5G LTE Coverage Map & Locator

Only for iPhone

Free · In‑App Purchases · Designed for iPhone. Not verified for macOS.

iPhone

Find nearby cell towers, check your signal strength, and map 5G, 4G & LTE coverage, so you always know where to get a stronger, more reliable connection. Open Signal helps you find the nearest cell towers, check your signal strength, and explore coverage maps — so you always know where to get a better, more reliable connection. Whether you're setting up a signal booster at home, planning an RV trip, working remotely from a cabin, or just tired of dropped calls, Open Signal shows you what's around you. FIND CELL TOWERS NEAR YOU • See nearby cell tower locations on an interactive map • Find the direction of the closest towers to help aim antennas and boosters • Works with major carriers including AT&T, Verizon and T-Mobile CHECK YOUR SIGNAL • Monitor your signal strength in real time • Spot weak spots and dead zones around you • See where 5G, 4G and LTE reach in your area TEST YOUR CONNECTION • Run download, upload and ping speed tests • See how fast your connection really is • Compare results across different locations EXPLORE COVERAGE MAPS • Browse 5G / 4G / LTE coverage on the map • Compare coverage before you travel or move • Find the best spot for a steady, usable signal PERFECT FOR • RV, van life and campers • Rural homes and weak-signal areas • Signal booster and antenna setup • Remote workers and travelers • Anyone troubleshooting bad reception Open Signal gives you a clear, simple way to understand the cellular world around you — no guesswork, just a better signal. Privacy Policy: https://teserastudio.com/privacy Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Events

Ratings & Reviews

  • 4.2
    out of 5
    5 Ratings

Thanks for using Open Signal! This update focuses on stability and accuracy. • Fixed crashes • Improved accuracy

Version 1.1.1

The developer, Tesera Studio OU, 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 Used to Track You

    The following data may be used to track you across apps and websites owned by other companies:

    • Identifiers

  • Data Not Linked to You

    The following data may be collected but it is not linked to your identity:

    • Purchases
    • Location
    • Identifiers
    • Usage Data
    • Diagnostics

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

The developer indicated that this app supports the following accessibility features. Learn More

  • Supported Features

    • Voice Control

    • Larger Text

    • Dark Interface

    • Sufficient Contrast

Information

Seller
  • Tesera Studio OU
Size
  • 48.2 MB
Category
  • Navigation
Compatibility
Requires iOS 15.1 or later.
  • iPhone
    Requires iOS 15.1 or later.
  • iPod touch
    Requires iOS 15.1 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+
In-App Purchases
Yes
Copyright
  • © 2026 Tesera Studio
  • Developer Website
  • Privacy Policy

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